/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 14:42:32,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 14:42:32,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 14:42:32,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 14:42:32,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 14:42:32,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 14:42:32,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 14:42:32,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 14:42:32,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 14:42:32,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 14:42:32,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 14:42:32,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 14:42:32,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 14:42:32,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 14:42:32,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 14:42:32,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 14:42:32,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 14:42:32,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 14:42:32,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 14:42:32,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 14:42:32,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 14:42:32,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 14:42:32,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 14:42:32,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 14:42:32,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 14:42:32,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 14:42:32,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 14:42:32,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 14:42:32,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2021-03-24 14:42:32,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 14:42:32,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 14:42:32,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 14:42:32,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 14:42:32,545 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 14:42:32,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 14:42:32,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 14:42:32,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 14:42:32,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 14:42:32,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 14:42:32,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 14:42:32,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 14:42:32,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 14:42:32,547 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 14:42:32,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 14:42:32,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 14:42:32,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 14:42:32,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 14:42:32,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 14:42:32,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 14:42:32,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 14:42:32,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 14:42:32,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 14:42:32,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 14:42:32,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 14:42:32,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 14:42:32,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 14:42:32,549 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 14:42:32,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 14:42:32,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 14:42:32,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 14:42:32,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 14:42:32,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 14:42:32,882 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-24 14:42:32,884 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-24 14:42:32,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl [2021-03-24 14:42:32,885 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl' [2021-03-24 14:42:32,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 14:42:32,996 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-24 14:42:32,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 14:42:32,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 14:42:32,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 14:42:33,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 14:42:33,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 14:42:33,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 14:42:33,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 14:42:33,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... [2021-03-24 14:42:33,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 14:42:33,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 14:42:33,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 14:42:33,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 14:42:33,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 14:42:33,115 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-24 14:42:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-24 14:42:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-24 14:42:33,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-24 14:42:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-24 14:42:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-24 14:42:33,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-24 14:42:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 14:42:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 14:42:33,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-24 14:42:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-24 14:42:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-24 14:42:33,120 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 14:42:33,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 14:42:33,627 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-03-24 14:42:33,629 INFO L202 PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 02:42:33 BoogieIcfgContainer [2021-03-24 14:42:33,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 14:42:33,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 14:42:33,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 14:42:33,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 14:42:33,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 02:42:32" (1/2) ... [2021-03-24 14:42:33,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121239c3 and model type name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 02:42:33, skipping insertion in model container [2021-03-24 14:42:33,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 02:42:33" (2/2) ... [2021-03-24 14:42:33,635 INFO L111 eAbstractionObserver]: Analyzing ICFG name-comparator-subst.wvr.bpl [2021-03-24 14:42:33,639 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 14:42:33,642 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 14:42:33,643 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 14:42:33,699 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-24 14:42:33,714 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-24 14:42:33,739 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 14:42:33,739 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 14:42:33,739 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 14:42:33,739 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 14:42:33,739 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 14:42:33,739 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 14:42:33,739 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 14:42:33,739 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 14:42:33,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 25 transitions, 74 flow [2021-03-24 14:42:33,775 INFO L129 PetriNetUnfolder]: 3/22 cut-off events. [2021-03-24 14:42:33,776 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-24 14:42:33,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 22 events. 3/22 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-03-24 14:42:33,781 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 25 transitions, 74 flow [2021-03-24 14:42:33,785 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 20 transitions, 58 flow [2021-03-24 14:42:33,786 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 14:42:33,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 20 transitions, 58 flow [2021-03-24 14:42:33,804 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 20 transitions, 58 flow [2021-03-24 14:42:33,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 58 flow [2021-03-24 14:42:33,817 INFO L129 PetriNetUnfolder]: 3/20 cut-off events. [2021-03-24 14:42:33,817 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-24 14:42:33,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 20 events. 3/20 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-03-24 14:42:33,819 INFO L142 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-24 14:42:34,074 INFO L154 LiptonReduction]: Checked pairs total: 30 [2021-03-24 14:42:34,075 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-24 14:42:34,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-03-24 14:42:34,092 INFO L129 PetriNetUnfolder]: 3/15 cut-off events. [2021-03-24 14:42:34,092 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-24 14:42:34,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:34,093 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:34,094 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:34,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:34,102 INFO L82 PathProgramCache]: Analyzing trace with hash 308234137, now seen corresponding path program 1 times [2021-03-24 14:42:34,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:34,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053775324] [2021-03-24 14:42:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:34,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:34,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:34,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:34,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:34,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:34,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:42:34,327 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:42:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:34,345 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 14:42:34,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:42:34,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:34,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:34,371 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:34,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:34,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053775324] [2021-03-24 14:42:34,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:34,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:34,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392037328] [2021-03-24 14:42:34,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:34,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:34,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:34,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:34,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:34,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 16 transitions, 50 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:34,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:34,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:34,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:34,761 INFO L129 PetriNetUnfolder]: 96/168 cut-off events. [2021-03-24 14:42:34,761 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-24 14:42:34,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 168 events. 96/168 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 499 event pairs, 28 based on Foata normal form. 1/112 useless extension candidates. Maximal degree in co-relation 316. Up to 83 conditions per place. [2021-03-24 14:42:34,765 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 27 selfloop transitions, 6 changer transitions 2/41 dead transitions. [2021-03-24 14:42:34,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 41 transitions, 170 flow [2021-03-24 14:42:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:34,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 135 transitions. [2021-03-24 14:42:34,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6650246305418719 [2021-03-24 14:42:34,777 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 135 transitions. [2021-03-24 14:42:34,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 135 transitions. [2021-03-24 14:42:34,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:34,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 135 transitions. [2021-03-24 14:42:34,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:34,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:34,792 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:34,793 INFO L185 Difference]: Start difference. First operand has 23 places, 16 transitions, 50 flow. Second operand 7 states and 135 transitions. [2021-03-24 14:42:34,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 41 transitions, 170 flow [2021-03-24 14:42:34,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 41 transitions, 158 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-24 14:42:34,804 INFO L241 Difference]: Finished difference. Result has 28 places, 21 transitions, 86 flow [2021-03-24 14:42:34,805 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=86, PETRI_PLACES=28, PETRI_TRANSITIONS=21} [2021-03-24 14:42:34,806 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 5 predicate places. [2021-03-24 14:42:34,806 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 86 flow [2021-03-24 14:42:34,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:34,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:34,806 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:34,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 14:42:34,807 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:34,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:34,808 INFO L82 PathProgramCache]: Analyzing trace with hash 87397107, now seen corresponding path program 2 times [2021-03-24 14:42:34,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:34,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834428688] [2021-03-24 14:42:34,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:34,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:34,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:34,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:34,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:34,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:34,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:42:34,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:34,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:42:34,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:34,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:34,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834428688] [2021-03-24 14:42:34,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:34,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 14:42:34,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28625115] [2021-03-24 14:42:34,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 14:42:34,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:34,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 14:42:34,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 14:42:34,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-03-24 14:42:34,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 86 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:34,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:34,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-03-24 14:42:34,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:35,045 INFO L129 PetriNetUnfolder]: 36/112 cut-off events. [2021-03-24 14:42:35,046 INFO L130 PetriNetUnfolder]: For 67/67 co-relation queries the response was YES. [2021-03-24 14:42:35,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 112 events. 36/112 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 474 event pairs, 10 based on Foata normal form. 2/99 useless extension candidates. Maximal degree in co-relation 240. Up to 40 conditions per place. [2021-03-24 14:42:35,050 INFO L132 encePairwiseOnDemand]: 22/29 looper letters, 18 selfloop transitions, 6 changer transitions 0/36 dead transitions. [2021-03-24 14:42:35,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 36 transitions, 203 flow [2021-03-24 14:42:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 14:42:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 14:42:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 127 transitions. [2021-03-24 14:42:35,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7298850574712644 [2021-03-24 14:42:35,058 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 127 transitions. [2021-03-24 14:42:35,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 127 transitions. [2021-03-24 14:42:35,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:35,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 127 transitions. [2021-03-24 14:42:35,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,061 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,061 INFO L185 Difference]: Start difference. First operand has 28 places, 21 transitions, 86 flow. Second operand 6 states and 127 transitions. [2021-03-24 14:42:35,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 36 transitions, 203 flow [2021-03-24 14:42:35,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 36 transitions, 178 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:35,063 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 126 flow [2021-03-24 14:42:35,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=126, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2021-03-24 14:42:35,064 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 11 predicate places. [2021-03-24 14:42:35,064 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 126 flow [2021-03-24 14:42:35,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,065 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:35,065 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:35,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 14:42:35,065 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:35,066 INFO L82 PathProgramCache]: Analyzing trace with hash 151953845, now seen corresponding path program 3 times [2021-03-24 14:42:35,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:35,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047114165] [2021-03-24 14:42:35,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:35,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:35,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:35,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:35,186 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:42:35,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:35,206 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:42:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:42:35,219 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 14:42:35,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:35,231 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:35,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:35,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047114165] [2021-03-24 14:42:35,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:35,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:35,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969139309] [2021-03-24 14:42:35,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:35,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:35,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:35,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:35,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:35,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 126 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:35,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:35,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:35,643 INFO L129 PetriNetUnfolder]: 322/597 cut-off events. [2021-03-24 14:42:35,643 INFO L130 PetriNetUnfolder]: For 701/701 co-relation queries the response was YES. [2021-03-24 14:42:35,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1885 conditions, 597 events. 322/597 cut-off events. For 701/701 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2998 event pairs, 97 based on Foata normal form. 2/467 useless extension candidates. Maximal degree in co-relation 1755. Up to 264 conditions per place. [2021-03-24 14:42:35,651 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 45 selfloop transitions, 18 changer transitions 3/72 dead transitions. [2021-03-24 14:42:35,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 72 transitions, 496 flow [2021-03-24 14:42:35,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 138 transitions. [2021-03-24 14:42:35,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6798029556650246 [2021-03-24 14:42:35,656 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 138 transitions. [2021-03-24 14:42:35,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 138 transitions. [2021-03-24 14:42:35,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:35,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 138 transitions. [2021-03-24 14:42:35,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,660 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,660 INFO L185 Difference]: Start difference. First operand has 34 places, 26 transitions, 126 flow. Second operand 7 states and 138 transitions. [2021-03-24 14:42:35,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 72 transitions, 496 flow [2021-03-24 14:42:35,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 72 transitions, 474 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-24 14:42:35,667 INFO L241 Difference]: Finished difference. Result has 44 places, 40 transitions, 277 flow [2021-03-24 14:42:35,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=277, PETRI_PLACES=44, PETRI_TRANSITIONS=40} [2021-03-24 14:42:35,668 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 21 predicate places. [2021-03-24 14:42:35,668 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 40 transitions, 277 flow [2021-03-24 14:42:35,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,668 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:35,668 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:35,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 14:42:35,669 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:35,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:35,669 INFO L82 PathProgramCache]: Analyzing trace with hash 431237327, now seen corresponding path program 4 times [2021-03-24 14:42:35,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:35,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205659365] [2021-03-24 14:42:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:35,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:35,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:35,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:42:35,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:42:35,766 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:35,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:35,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205659365] [2021-03-24 14:42:35,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:35,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 14:42:35,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148498305] [2021-03-24 14:42:35,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 14:42:35,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:35,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 14:42:35,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 14:42:35,778 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-03-24 14:42:35,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 40 transitions, 277 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:35,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-03-24 14:42:35,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:35,947 INFO L129 PetriNetUnfolder]: 106/338 cut-off events. [2021-03-24 14:42:35,947 INFO L130 PetriNetUnfolder]: For 603/615 co-relation queries the response was YES. [2021-03-24 14:42:35,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1118 conditions, 338 events. 106/338 cut-off events. For 603/615 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2187 event pairs, 22 based on Foata normal form. 4/300 useless extension candidates. Maximal degree in co-relation 1030. Up to 83 conditions per place. [2021-03-24 14:42:35,951 INFO L132 encePairwiseOnDemand]: 22/29 looper letters, 20 selfloop transitions, 19 changer transitions 1/57 dead transitions. [2021-03-24 14:42:35,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 57 transitions, 485 flow [2021-03-24 14:42:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 14:42:35,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 14:42:35,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 129 transitions. [2021-03-24 14:42:35,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7413793103448276 [2021-03-24 14:42:35,952 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 129 transitions. [2021-03-24 14:42:35,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 129 transitions. [2021-03-24 14:42:35,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:35,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 129 transitions. [2021-03-24 14:42:35,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,954 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,954 INFO L185 Difference]: Start difference. First operand has 44 places, 40 transitions, 277 flow. Second operand 6 states and 129 transitions. [2021-03-24 14:42:35,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 57 transitions, 485 flow [2021-03-24 14:42:35,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 57 transitions, 473 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-24 14:42:35,959 INFO L241 Difference]: Finished difference. Result has 51 places, 48 transitions, 403 flow [2021-03-24 14:42:35,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=403, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2021-03-24 14:42:35,959 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 28 predicate places. [2021-03-24 14:42:35,959 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 403 flow [2021-03-24 14:42:35,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:35,960 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:35,960 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:35,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 14:42:35,960 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:35,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:35,960 INFO L82 PathProgramCache]: Analyzing trace with hash 2072252455, now seen corresponding path program 5 times [2021-03-24 14:42:35,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:35,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471659306] [2021-03-24 14:42:35,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:35,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:35,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:35,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:35,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:42:36,005 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:42:36,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:36,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:36,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:36,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471659306] [2021-03-24 14:42:36,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:36,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 14:42:36,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816193922] [2021-03-24 14:42:36,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 14:42:36,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:36,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 14:42:36,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 14:42:36,027 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-03-24 14:42:36,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 403 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:36,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-03-24 14:42:36,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:36,185 INFO L129 PetriNetUnfolder]: 106/350 cut-off events. [2021-03-24 14:42:36,186 INFO L130 PetriNetUnfolder]: For 951/966 co-relation queries the response was YES. [2021-03-24 14:42:36,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1274 conditions, 350 events. 106/350 cut-off events. For 951/966 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2365 event pairs, 19 based on Foata normal form. 4/309 useless extension candidates. Maximal degree in co-relation 1141. Up to 93 conditions per place. [2021-03-24 14:42:36,190 INFO L132 encePairwiseOnDemand]: 22/29 looper letters, 28 selfloop transitions, 19 changer transitions 0/64 dead transitions. [2021-03-24 14:42:36,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 64 transitions, 645 flow [2021-03-24 14:42:36,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 14:42:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 14:42:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 129 transitions. [2021-03-24 14:42:36,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7413793103448276 [2021-03-24 14:42:36,191 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 129 transitions. [2021-03-24 14:42:36,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 129 transitions. [2021-03-24 14:42:36,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:36,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 129 transitions. [2021-03-24 14:42:36,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,193 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,193 INFO L185 Difference]: Start difference. First operand has 51 places, 48 transitions, 403 flow. Second operand 6 states and 129 transitions. [2021-03-24 14:42:36,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 64 transitions, 645 flow [2021-03-24 14:42:36,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 64 transitions, 623 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-24 14:42:36,198 INFO L241 Difference]: Finished difference. Result has 59 places, 57 transitions, 557 flow [2021-03-24 14:42:36,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=557, PETRI_PLACES=59, PETRI_TRANSITIONS=57} [2021-03-24 14:42:36,199 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 36 predicate places. [2021-03-24 14:42:36,199 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 57 transitions, 557 flow [2021-03-24 14:42:36,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,199 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:36,199 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:36,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 14:42:36,199 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:36,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:36,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1991380599, now seen corresponding path program 6 times [2021-03-24 14:42:36,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:36,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96040108] [2021-03-24 14:42:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:36,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:36,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:36,236 INFO L142 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size [2021-03-24 14:42:36,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:42:36,250 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-24 14:42:36,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:42:36,267 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-24 14:42:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:36,280 INFO L142 QuantifierPusher]: treesize reduction 7, result has 58.8 percent of original size [2021-03-24 14:42:36,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:36,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96040108] [2021-03-24 14:42:36,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:36,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 14:42:36,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141146852] [2021-03-24 14:42:36,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 14:42:36,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:36,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 14:42:36,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 14:42:36,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-03-24 14:42:36,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 57 transitions, 557 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:36,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-03-24 14:42:36,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:36,464 INFO L129 PetriNetUnfolder]: 106/346 cut-off events. [2021-03-24 14:42:36,464 INFO L130 PetriNetUnfolder]: For 1337/1358 co-relation queries the response was YES. [2021-03-24 14:42:36,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1383 conditions, 346 events. 106/346 cut-off events. For 1337/1358 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2336 event pairs, 19 based on Foata normal form. 8/309 useless extension candidates. Maximal degree in co-relation 1256. Up to 93 conditions per place. [2021-03-24 14:42:36,468 INFO L132 encePairwiseOnDemand]: 22/29 looper letters, 28 selfloop transitions, 21 changer transitions 1/67 dead transitions. [2021-03-24 14:42:36,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 67 transitions, 775 flow [2021-03-24 14:42:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 14:42:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 14:42:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 128 transitions. [2021-03-24 14:42:36,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.735632183908046 [2021-03-24 14:42:36,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 128 transitions. [2021-03-24 14:42:36,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 128 transitions. [2021-03-24 14:42:36,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:36,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 128 transitions. [2021-03-24 14:42:36,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,472 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,472 INFO L185 Difference]: Start difference. First operand has 59 places, 57 transitions, 557 flow. Second operand 6 states and 128 transitions. [2021-03-24 14:42:36,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 67 transitions, 775 flow [2021-03-24 14:42:36,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 751 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-24 14:42:36,479 INFO L241 Difference]: Finished difference. Result has 66 places, 61 transitions, 657 flow [2021-03-24 14:42:36,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=657, PETRI_PLACES=66, PETRI_TRANSITIONS=61} [2021-03-24 14:42:36,481 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 43 predicate places. [2021-03-24 14:42:36,481 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 61 transitions, 657 flow [2021-03-24 14:42:36,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:36,482 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:36,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 14:42:36,482 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:36,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:36,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1837647273, now seen corresponding path program 7 times [2021-03-24 14:42:36,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:36,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886989433] [2021-03-24 14:42:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:36,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:36,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:36,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:36,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:36,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:36,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:36,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:42:36,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:36,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:42:36,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:42:36,596 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 14:42:36,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:36,610 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:36,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:36,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886989433] [2021-03-24 14:42:36,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:36,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:36,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971209354] [2021-03-24 14:42:36,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:36,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:36,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:36,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:36,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:36,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 61 transitions, 657 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:36,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:36,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:36,958 INFO L129 PetriNetUnfolder]: 379/725 cut-off events. [2021-03-24 14:42:36,958 INFO L130 PetriNetUnfolder]: For 4169/4207 co-relation queries the response was YES. [2021-03-24 14:42:36,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3635 conditions, 725 events. 379/725 cut-off events. For 4169/4207 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3841 event pairs, 83 based on Foata normal form. 3/663 useless extension candidates. Maximal degree in co-relation 3441. Up to 261 conditions per place. [2021-03-24 14:42:36,965 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 59 selfloop transitions, 38 changer transitions 7/110 dead transitions. [2021-03-24 14:42:36,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 110 transitions, 1351 flow [2021-03-24 14:42:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions. [2021-03-24 14:42:36,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6847290640394089 [2021-03-24 14:42:36,967 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 139 transitions. [2021-03-24 14:42:36,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 139 transitions. [2021-03-24 14:42:36,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:36,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 139 transitions. [2021-03-24 14:42:36,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,968 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,968 INFO L185 Difference]: Start difference. First operand has 66 places, 61 transitions, 657 flow. Second operand 7 states and 139 transitions. [2021-03-24 14:42:36,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 110 transitions, 1351 flow [2021-03-24 14:42:36,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 110 transitions, 1283 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:36,982 INFO L241 Difference]: Finished difference. Result has 75 places, 76 transitions, 905 flow [2021-03-24 14:42:36,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=905, PETRI_PLACES=75, PETRI_TRANSITIONS=76} [2021-03-24 14:42:36,982 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 52 predicate places. [2021-03-24 14:42:36,983 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 76 transitions, 905 flow [2021-03-24 14:42:36,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:36,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:36,983 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:36,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 14:42:36,983 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:36,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:36,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1342406475, now seen corresponding path program 8 times [2021-03-24 14:42:36,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:36,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901962572] [2021-03-24 14:42:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:37,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:37,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:37,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:37,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:42:37,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:42:37,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:42:37,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:37,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901962572] [2021-03-24 14:42:37,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:37,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:37,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920061226] [2021-03-24 14:42:37,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:37,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:37,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:37,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:37,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:37,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 76 transitions, 905 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:37,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:37,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:37,382 INFO L129 PetriNetUnfolder]: 374/751 cut-off events. [2021-03-24 14:42:37,382 INFO L130 PetriNetUnfolder]: For 5587/5645 co-relation queries the response was YES. [2021-03-24 14:42:37,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4071 conditions, 751 events. 374/751 cut-off events. For 5587/5645 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4322 event pairs, 57 based on Foata normal form. 11/695 useless extension candidates. Maximal degree in co-relation 3906. Up to 288 conditions per place. [2021-03-24 14:42:37,390 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 114 selfloop transitions, 27 changer transitions 3/150 dead transitions. [2021-03-24 14:42:37,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 150 transitions, 2125 flow [2021-03-24 14:42:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:37,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 137 transitions. [2021-03-24 14:42:37,392 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6748768472906403 [2021-03-24 14:42:37,392 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 137 transitions. [2021-03-24 14:42:37,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 137 transitions. [2021-03-24 14:42:37,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:37,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 137 transitions. [2021-03-24 14:42:37,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,394 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,394 INFO L185 Difference]: Start difference. First operand has 75 places, 76 transitions, 905 flow. Second operand 7 states and 137 transitions. [2021-03-24 14:42:37,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 150 transitions, 2125 flow [2021-03-24 14:42:37,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 150 transitions, 2041 flow, removed 42 selfloop flow, removed 3 redundant places. [2021-03-24 14:42:37,410 INFO L241 Difference]: Finished difference. Result has 80 places, 89 transitions, 1204 flow [2021-03-24 14:42:37,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=863, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1204, PETRI_PLACES=80, PETRI_TRANSITIONS=89} [2021-03-24 14:42:37,411 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 57 predicate places. [2021-03-24 14:42:37,411 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 89 transitions, 1204 flow [2021-03-24 14:42:37,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:37,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:37,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 14:42:37,413 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:37,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:37,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1501595261, now seen corresponding path program 9 times [2021-03-24 14:42:37,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:37,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142400623] [2021-03-24 14:42:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:37,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:37,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:37,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:37,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:37,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:37,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:42:37,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:37,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:37,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142400623] [2021-03-24 14:42:37,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:37,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:37,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594109556] [2021-03-24 14:42:37,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:37,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:37,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:37,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:37,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:37,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 89 transitions, 1204 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:37,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:37,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:37,819 INFO L129 PetriNetUnfolder]: 387/779 cut-off events. [2021-03-24 14:42:37,820 INFO L130 PetriNetUnfolder]: For 6995/7075 co-relation queries the response was YES. [2021-03-24 14:42:37,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4502 conditions, 779 events. 387/779 cut-off events. For 6995/7075 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4511 event pairs, 49 based on Foata normal form. 16/760 useless extension candidates. Maximal degree in co-relation 4232. Up to 288 conditions per place. [2021-03-24 14:42:37,828 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 118 selfloop transitions, 31 changer transitions 0/155 dead transitions. [2021-03-24 14:42:37,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 155 transitions, 2238 flow [2021-03-24 14:42:37,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:37,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:37,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 136 transitions. [2021-03-24 14:42:37,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6699507389162561 [2021-03-24 14:42:37,830 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 136 transitions. [2021-03-24 14:42:37,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 136 transitions. [2021-03-24 14:42:37,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:37,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 136 transitions. [2021-03-24 14:42:37,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,832 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,832 INFO L185 Difference]: Start difference. First operand has 80 places, 89 transitions, 1204 flow. Second operand 7 states and 136 transitions. [2021-03-24 14:42:37,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 155 transitions, 2238 flow [2021-03-24 14:42:37,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 155 transitions, 2181 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:37,857 INFO L241 Difference]: Finished difference. Result has 86 places, 98 transitions, 1348 flow [2021-03-24 14:42:37,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1163, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1348, PETRI_PLACES=86, PETRI_TRANSITIONS=98} [2021-03-24 14:42:37,857 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 63 predicate places. [2021-03-24 14:42:37,857 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 98 transitions, 1348 flow [2021-03-24 14:42:37,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,858 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:37,858 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:37,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 14:42:37,858 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:37,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:37,858 INFO L82 PathProgramCache]: Analyzing trace with hash 225689949, now seen corresponding path program 10 times [2021-03-24 14:42:37,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:37,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291918520] [2021-03-24 14:42:37,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:37,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:37,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:37,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:42:37,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:42:37,930 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-24 14:42:37,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:42:37,949 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:42:37,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:37,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:37,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:37,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291918520] [2021-03-24 14:42:37,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:37,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:37,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559035377] [2021-03-24 14:42:37,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:37,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:37,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:37,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:37,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:37,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 98 transitions, 1348 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:37,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:37,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:37,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:38,240 INFO L129 PetriNetUnfolder]: 387/770 cut-off events. [2021-03-24 14:42:38,240 INFO L130 PetriNetUnfolder]: For 7058/7138 co-relation queries the response was YES. [2021-03-24 14:42:38,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4714 conditions, 770 events. 387/770 cut-off events. For 7058/7138 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4359 event pairs, 71 based on Foata normal form. 10/704 useless extension candidates. Maximal degree in co-relation 4457. Up to 287 conditions per place. [2021-03-24 14:42:38,249 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 83 selfloop transitions, 42 changer transitions 5/136 dead transitions. [2021-03-24 14:42:38,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 136 transitions, 2028 flow [2021-03-24 14:42:38,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 14:42:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 14:42:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 156 transitions. [2021-03-24 14:42:38,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6724137931034483 [2021-03-24 14:42:38,251 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 156 transitions. [2021-03-24 14:42:38,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 156 transitions. [2021-03-24 14:42:38,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:38,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 156 transitions. [2021-03-24 14:42:38,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 19.5) internal successors, (156), 8 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,252 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,253 INFO L185 Difference]: Start difference. First operand has 86 places, 98 transitions, 1348 flow. Second operand 8 states and 156 transitions. [2021-03-24 14:42:38,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 136 transitions, 2028 flow [2021-03-24 14:42:38,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 136 transitions, 1954 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-24 14:42:38,272 INFO L241 Difference]: Finished difference. Result has 95 places, 105 transitions, 1516 flow [2021-03-24 14:42:38,273 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1292, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1516, PETRI_PLACES=95, PETRI_TRANSITIONS=105} [2021-03-24 14:42:38,273 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 72 predicate places. [2021-03-24 14:42:38,273 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 105 transitions, 1516 flow [2021-03-24 14:42:38,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:38,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:38,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 14:42:38,274 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:38,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:38,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1840213337, now seen corresponding path program 11 times [2021-03-24 14:42:38,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:38,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659862813] [2021-03-24 14:42:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:38,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:38,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:38,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:38,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:42:38,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:38,345 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 14:42:38,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:42:38,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:38,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:38,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:38,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659862813] [2021-03-24 14:42:38,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:38,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:38,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251012402] [2021-03-24 14:42:38,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:38,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:38,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:38,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:38,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:38,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 105 transitions, 1516 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:38,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:38,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:38,678 INFO L129 PetriNetUnfolder]: 383/779 cut-off events. [2021-03-24 14:42:38,679 INFO L130 PetriNetUnfolder]: For 8046/8122 co-relation queries the response was YES. [2021-03-24 14:42:38,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4890 conditions, 779 events. 383/779 cut-off events. For 8046/8122 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4528 event pairs, 67 based on Foata normal form. 10/711 useless extension candidates. Maximal degree in co-relation 4694. Up to 287 conditions per place. [2021-03-24 14:42:38,687 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 94 selfloop transitions, 38 changer transitions 3/141 dead transitions. [2021-03-24 14:42:38,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 141 transitions, 2214 flow [2021-03-24 14:42:38,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 137 transitions. [2021-03-24 14:42:38,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6748768472906403 [2021-03-24 14:42:38,689 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 137 transitions. [2021-03-24 14:42:38,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 137 transitions. [2021-03-24 14:42:38,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:38,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 137 transitions. [2021-03-24 14:42:38,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,690 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,690 INFO L185 Difference]: Start difference. First operand has 95 places, 105 transitions, 1516 flow. Second operand 7 states and 137 transitions. [2021-03-24 14:42:38,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 141 transitions, 2214 flow [2021-03-24 14:42:38,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 141 transitions, 2158 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-24 14:42:38,713 INFO L241 Difference]: Finished difference. Result has 99 places, 106 transitions, 1587 flow [2021-03-24 14:42:38,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1480, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1587, PETRI_PLACES=99, PETRI_TRANSITIONS=106} [2021-03-24 14:42:38,713 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 76 predicate places. [2021-03-24 14:42:38,713 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 106 transitions, 1587 flow [2021-03-24 14:42:38,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,713 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:38,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:38,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 14:42:38,714 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:38,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:38,714 INFO L82 PathProgramCache]: Analyzing trace with hash -725706625, now seen corresponding path program 12 times [2021-03-24 14:42:38,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:38,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166824955] [2021-03-24 14:42:38,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:38,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:38,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:38,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:38,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:38,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:42:38,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:38,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:38,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166824955] [2021-03-24 14:42:38,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:38,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:38,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454613251] [2021-03-24 14:42:38,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:38,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:38,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:38,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:38,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:38,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 106 transitions, 1587 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:38,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:38,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:38,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:39,109 INFO L129 PetriNetUnfolder]: 430/877 cut-off events. [2021-03-24 14:42:39,109 INFO L130 PetriNetUnfolder]: For 9003/9026 co-relation queries the response was YES. [2021-03-24 14:42:39,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5481 conditions, 877 events. 430/877 cut-off events. For 9003/9026 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5255 event pairs, 66 based on Foata normal form. 7/791 useless extension candidates. Maximal degree in co-relation 5177. Up to 297 conditions per place. [2021-03-24 14:42:39,120 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 126 selfloop transitions, 38 changer transitions 0/170 dead transitions. [2021-03-24 14:42:39,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 170 transitions, 2769 flow [2021-03-24 14:42:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 138 transitions. [2021-03-24 14:42:39,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6798029556650246 [2021-03-24 14:42:39,121 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 138 transitions. [2021-03-24 14:42:39,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 138 transitions. [2021-03-24 14:42:39,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:39,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 138 transitions. [2021-03-24 14:42:39,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,122 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,123 INFO L185 Difference]: Start difference. First operand has 99 places, 106 transitions, 1587 flow. Second operand 7 states and 138 transitions. [2021-03-24 14:42:39,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 170 transitions, 2769 flow [2021-03-24 14:42:39,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 170 transitions, 2660 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-24 14:42:39,149 INFO L241 Difference]: Finished difference. Result has 104 places, 122 transitions, 1887 flow [2021-03-24 14:42:39,149 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1510, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1887, PETRI_PLACES=104, PETRI_TRANSITIONS=122} [2021-03-24 14:42:39,150 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 81 predicate places. [2021-03-24 14:42:39,150 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 122 transitions, 1887 flow [2021-03-24 14:42:39,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:39,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:39,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 14:42:39,150 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:39,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:39,150 INFO L82 PathProgramCache]: Analyzing trace with hash 124248215, now seen corresponding path program 13 times [2021-03-24 14:42:39,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:39,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594945340] [2021-03-24 14:42:39,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:39,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:39,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:39,208 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:42:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:39,224 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:42:39,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:42:39,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:39,248 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 14:42:39,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:42:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:39,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594945340] [2021-03-24 14:42:39,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:39,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:39,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114976802] [2021-03-24 14:42:39,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:39,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:39,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:39,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:39,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:39,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 122 transitions, 1887 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:39,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:39,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:39,652 INFO L129 PetriNetUnfolder]: 427/850 cut-off events. [2021-03-24 14:42:39,652 INFO L130 PetriNetUnfolder]: For 10202/10281 co-relation queries the response was YES. [2021-03-24 14:42:39,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5774 conditions, 850 events. 427/850 cut-off events. For 10202/10281 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4948 event pairs, 68 based on Foata normal form. 11/769 useless extension candidates. Maximal degree in co-relation 5468. Up to 319 conditions per place. [2021-03-24 14:42:39,663 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 99 selfloop transitions, 43 changer transitions 5/153 dead transitions. [2021-03-24 14:42:39,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 153 transitions, 2575 flow [2021-03-24 14:42:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 138 transitions. [2021-03-24 14:42:39,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6798029556650246 [2021-03-24 14:42:39,664 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 138 transitions. [2021-03-24 14:42:39,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 138 transitions. [2021-03-24 14:42:39,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:39,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 138 transitions. [2021-03-24 14:42:39,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,666 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,666 INFO L185 Difference]: Start difference. First operand has 104 places, 122 transitions, 1887 flow. Second operand 7 states and 138 transitions. [2021-03-24 14:42:39,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 153 transitions, 2575 flow [2021-03-24 14:42:39,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 153 transitions, 2448 flow, removed 41 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:39,697 INFO L241 Difference]: Finished difference. Result has 109 places, 117 transitions, 1802 flow [2021-03-24 14:42:39,697 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1754, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1802, PETRI_PLACES=109, PETRI_TRANSITIONS=117} [2021-03-24 14:42:39,697 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 86 predicate places. [2021-03-24 14:42:39,697 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 117 transitions, 1802 flow [2021-03-24 14:42:39,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,698 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:39,698 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:39,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 14:42:39,698 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:39,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:39,698 INFO L82 PathProgramCache]: Analyzing trace with hash -2009103147, now seen corresponding path program 14 times [2021-03-24 14:42:39,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:39,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310256992] [2021-03-24 14:42:39,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:39,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:39,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 14:42:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:42:39,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:42:39,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:39,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:39,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310256992] [2021-03-24 14:42:39,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:39,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:39,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962406073] [2021-03-24 14:42:39,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:39,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:39,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:39,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:39,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:39,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 117 transitions, 1802 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:39,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:39,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:39,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:40,158 INFO L129 PetriNetUnfolder]: 445/873 cut-off events. [2021-03-24 14:42:40,158 INFO L130 PetriNetUnfolder]: For 10978/11057 co-relation queries the response was YES. [2021-03-24 14:42:40,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5970 conditions, 873 events. 445/873 cut-off events. For 10978/11057 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 4975 event pairs, 91 based on Foata normal form. 3/783 useless extension candidates. Maximal degree in co-relation 5790. Up to 377 conditions per place. [2021-03-24 14:42:40,168 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 86 selfloop transitions, 65 changer transitions 1/158 dead transitions. [2021-03-24 14:42:40,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 158 transitions, 2656 flow [2021-03-24 14:42:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:40,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions. [2021-03-24 14:42:40,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6847290640394089 [2021-03-24 14:42:40,170 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 139 transitions. [2021-03-24 14:42:40,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 139 transitions. [2021-03-24 14:42:40,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:40,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 139 transitions. [2021-03-24 14:42:40,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,171 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,171 INFO L185 Difference]: Start difference. First operand has 109 places, 117 transitions, 1802 flow. Second operand 7 states and 139 transitions. [2021-03-24 14:42:40,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 158 transitions, 2656 flow [2021-03-24 14:42:40,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 158 transitions, 2514 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-03-24 14:42:40,203 INFO L241 Difference]: Finished difference. Result has 111 places, 132 transitions, 2087 flow [2021-03-24 14:42:40,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1702, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2087, PETRI_PLACES=111, PETRI_TRANSITIONS=132} [2021-03-24 14:42:40,203 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 88 predicate places. [2021-03-24 14:42:40,203 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 132 transitions, 2087 flow [2021-03-24 14:42:40,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:40,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:40,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 14:42:40,204 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:40,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:40,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1764329255, now seen corresponding path program 15 times [2021-03-24 14:42:40,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:40,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095049021] [2021-03-24 14:42:40,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:40,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:40,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:42:40,240 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:42:40,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:40,256 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:42:40,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:42:40,269 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 14:42:40,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:40,280 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:40,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095049021] [2021-03-24 14:42:40,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:40,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:40,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370963591] [2021-03-24 14:42:40,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:40,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:40,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:40,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:40,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:40,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 132 transitions, 2087 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:40,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:40,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:40,633 INFO L129 PetriNetUnfolder]: 448/892 cut-off events. [2021-03-24 14:42:40,633 INFO L130 PetriNetUnfolder]: For 11280/11359 co-relation queries the response was YES. [2021-03-24 14:42:40,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6087 conditions, 892 events. 448/892 cut-off events. For 11280/11359 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5203 event pairs, 91 based on Foata normal form. 4/800 useless extension candidates. Maximal degree in co-relation 5902. Up to 377 conditions per place. [2021-03-24 14:42:40,650 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 106 selfloop transitions, 60 changer transitions 2/174 dead transitions. [2021-03-24 14:42:40,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 174 transitions, 3003 flow [2021-03-24 14:42:40,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 137 transitions. [2021-03-24 14:42:40,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6748768472906403 [2021-03-24 14:42:40,652 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 137 transitions. [2021-03-24 14:42:40,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 137 transitions. [2021-03-24 14:42:40,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:40,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 137 transitions. [2021-03-24 14:42:40,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,654 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,654 INFO L185 Difference]: Start difference. First operand has 111 places, 132 transitions, 2087 flow. Second operand 7 states and 137 transitions. [2021-03-24 14:42:40,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 174 transitions, 3003 flow [2021-03-24 14:42:40,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 174 transitions, 2848 flow, removed 30 selfloop flow, removed 3 redundant places. [2021-03-24 14:42:40,688 INFO L241 Difference]: Finished difference. Result has 117 places, 139 transitions, 2227 flow [2021-03-24 14:42:40,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1980, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2227, PETRI_PLACES=117, PETRI_TRANSITIONS=139} [2021-03-24 14:42:40,689 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 94 predicate places. [2021-03-24 14:42:40,689 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 139 transitions, 2227 flow [2021-03-24 14:42:40,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:40,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:40,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 14:42:40,690 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:40,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:40,690 INFO L82 PathProgramCache]: Analyzing trace with hash -692945843, now seen corresponding path program 16 times [2021-03-24 14:42:40,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:40,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611768460] [2021-03-24 14:42:40,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:40,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:40,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:40,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-03-24 14:42:40,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:42:40,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:42:40,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:42:40,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:42:40,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:40,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:40,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611768460] [2021-03-24 14:42:40,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:40,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:40,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272283503] [2021-03-24 14:42:40,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:40,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:40,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:40,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:40,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:40,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 139 transitions, 2227 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:40,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:40,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:40,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:41,243 INFO L129 PetriNetUnfolder]: 468/963 cut-off events. [2021-03-24 14:42:41,243 INFO L130 PetriNetUnfolder]: For 12781/12860 co-relation queries the response was YES. [2021-03-24 14:42:41,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6587 conditions, 963 events. 468/963 cut-off events. For 12781/12860 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 5889 event pairs, 109 based on Foata normal form. 5/865 useless extension candidates. Maximal degree in co-relation 6400. Up to 385 conditions per place. [2021-03-24 14:42:41,254 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 102 selfloop transitions, 64 changer transitions 3/175 dead transitions. [2021-03-24 14:42:41,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 175 transitions, 3035 flow [2021-03-24 14:42:41,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2021-03-24 14:42:41,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6896551724137931 [2021-03-24 14:42:41,257 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 140 transitions. [2021-03-24 14:42:41,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 140 transitions. [2021-03-24 14:42:41,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:41,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 140 transitions. [2021-03-24 14:42:41,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,260 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,260 INFO L185 Difference]: Start difference. First operand has 117 places, 139 transitions, 2227 flow. Second operand 7 states and 140 transitions. [2021-03-24 14:42:41,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 175 transitions, 3035 flow [2021-03-24 14:42:41,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 175 transitions, 2890 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-03-24 14:42:41,305 INFO L241 Difference]: Finished difference. Result has 124 places, 147 transitions, 2384 flow [2021-03-24 14:42:41,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2384, PETRI_PLACES=124, PETRI_TRANSITIONS=147} [2021-03-24 14:42:41,306 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 101 predicate places. [2021-03-24 14:42:41,306 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 147 transitions, 2384 flow [2021-03-24 14:42:41,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,306 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:41,306 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:41,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 14:42:41,306 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:41,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:41,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1363119765, now seen corresponding path program 17 times [2021-03-24 14:42:41,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:41,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720806787] [2021-03-24 14:42:41,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:41,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:41,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:41,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:41,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:41,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:41,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:42:41,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:42:41,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:41,361 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:41,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:41,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720806787] [2021-03-24 14:42:41,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:41,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 14:42:41,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892630654] [2021-03-24 14:42:41,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 14:42:41,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:41,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 14:42:41,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 14:42:41,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-03-24 14:42:41,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 147 transitions, 2384 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:41,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-03-24 14:42:41,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:41,555 INFO L129 PetriNetUnfolder]: 249/672 cut-off events. [2021-03-24 14:42:41,556 INFO L130 PetriNetUnfolder]: For 9130/9247 co-relation queries the response was YES. [2021-03-24 14:42:41,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4510 conditions, 672 events. 249/672 cut-off events. For 9130/9247 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 4780 event pairs, 29 based on Foata normal form. 9/635 useless extension candidates. Maximal degree in co-relation 4343. Up to 210 conditions per place. [2021-03-24 14:42:41,564 INFO L132 encePairwiseOnDemand]: 22/29 looper letters, 44 selfloop transitions, 73 changer transitions 0/157 dead transitions. [2021-03-24 14:42:41,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 157 transitions, 2774 flow [2021-03-24 14:42:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 14:42:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 14:42:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 129 transitions. [2021-03-24 14:42:41,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7413793103448276 [2021-03-24 14:42:41,565 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 129 transitions. [2021-03-24 14:42:41,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 129 transitions. [2021-03-24 14:42:41,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:41,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 129 transitions. [2021-03-24 14:42:41,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,566 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,566 INFO L185 Difference]: Start difference. First operand has 124 places, 147 transitions, 2384 flow. Second operand 6 states and 129 transitions. [2021-03-24 14:42:41,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 157 transitions, 2774 flow [2021-03-24 14:42:41,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 157 transitions, 2692 flow, removed 19 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:41,599 INFO L241 Difference]: Finished difference. Result has 129 places, 153 transitions, 2623 flow [2021-03-24 14:42:41,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2310, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2623, PETRI_PLACES=129, PETRI_TRANSITIONS=153} [2021-03-24 14:42:41,600 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 106 predicate places. [2021-03-24 14:42:41,600 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 153 transitions, 2623 flow [2021-03-24 14:42:41,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:41,600 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:41,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 14:42:41,601 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:41,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:41,601 INFO L82 PathProgramCache]: Analyzing trace with hash -769060531, now seen corresponding path program 18 times [2021-03-24 14:42:41,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:41,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941861332] [2021-03-24 14:42:41,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:41,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:41,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:41,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:41,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:41,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:41,657 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:42:41,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:42:41,672 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 14:42:41,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:42:41,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:41,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:41,691 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:41,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:41,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941861332] [2021-03-24 14:42:41,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:41,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:41,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168115833] [2021-03-24 14:42:41,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:41,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:41,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:41,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:41,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:42:41,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 153 transitions, 2623 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:41,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:41,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:42:41,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:42,069 INFO L129 PetriNetUnfolder]: 476/990 cut-off events. [2021-03-24 14:42:42,069 INFO L130 PetriNetUnfolder]: For 14337/14416 co-relation queries the response was YES. [2021-03-24 14:42:42,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7090 conditions, 990 events. 476/990 cut-off events. For 14337/14416 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 6182 event pairs, 87 based on Foata normal form. 4/890 useless extension candidates. Maximal degree in co-relation 6890. Up to 385 conditions per place. [2021-03-24 14:42:42,081 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 112 selfloop transitions, 66 changer transitions 6/190 dead transitions. [2021-03-24 14:42:42,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 190 transitions, 3534 flow [2021-03-24 14:42:42,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 138 transitions. [2021-03-24 14:42:42,082 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6798029556650246 [2021-03-24 14:42:42,082 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 138 transitions. [2021-03-24 14:42:42,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 138 transitions. [2021-03-24 14:42:42,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:42,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 138 transitions. [2021-03-24 14:42:42,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,084 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,084 INFO L185 Difference]: Start difference. First operand has 129 places, 153 transitions, 2623 flow. Second operand 7 states and 138 transitions. [2021-03-24 14:42:42,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 190 transitions, 3534 flow [2021-03-24 14:42:42,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 190 transitions, 3342 flow, removed 45 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:42,133 INFO L241 Difference]: Finished difference. Result has 136 places, 155 transitions, 2676 flow [2021-03-24 14:42:42,134 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2486, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2676, PETRI_PLACES=136, PETRI_TRANSITIONS=155} [2021-03-24 14:42:42,134 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 113 predicate places. [2021-03-24 14:42:42,134 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 155 transitions, 2676 flow [2021-03-24 14:42:42,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:42,134 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:42,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 14:42:42,134 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:42,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:42,135 INFO L82 PathProgramCache]: Analyzing trace with hash -922699459, now seen corresponding path program 19 times [2021-03-24 14:42:42,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:42,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639751333] [2021-03-24 14:42:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:42,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:42,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:42,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:42:42,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:42,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:42,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639751333] [2021-03-24 14:42:42,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:42,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 14:42:42,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75445916] [2021-03-24 14:42:42,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 14:42:42,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:42,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 14:42:42,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-24 14:42:42,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-03-24 14:42:42,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 155 transitions, 2676 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:42,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-03-24 14:42:42,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:42,336 INFO L129 PetriNetUnfolder]: 252/665 cut-off events. [2021-03-24 14:42:42,336 INFO L130 PetriNetUnfolder]: For 9896/10013 co-relation queries the response was YES. [2021-03-24 14:42:42,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4648 conditions, 665 events. 252/665 cut-off events. For 9896/10013 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 4679 event pairs, 27 based on Foata normal form. 7/588 useless extension candidates. Maximal degree in co-relation 4473. Up to 210 conditions per place. [2021-03-24 14:42:42,346 INFO L132 encePairwiseOnDemand]: 22/29 looper letters, 53 selfloop transitions, 70 changer transitions 4/170 dead transitions. [2021-03-24 14:42:42,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 170 transitions, 3174 flow [2021-03-24 14:42:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 14:42:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 14:42:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 127 transitions. [2021-03-24 14:42:42,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7298850574712644 [2021-03-24 14:42:42,348 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 127 transitions. [2021-03-24 14:42:42,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 127 transitions. [2021-03-24 14:42:42,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:42,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 127 transitions. [2021-03-24 14:42:42,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,350 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,351 INFO L185 Difference]: Start difference. First operand has 136 places, 155 transitions, 2676 flow. Second operand 6 states and 127 transitions. [2021-03-24 14:42:42,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 170 transitions, 3174 flow [2021-03-24 14:42:42,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 170 transitions, 3004 flow, removed 26 selfloop flow, removed 6 redundant places. [2021-03-24 14:42:42,393 INFO L241 Difference]: Finished difference. Result has 136 places, 161 transitions, 2855 flow [2021-03-24 14:42:42,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2514, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2855, PETRI_PLACES=136, PETRI_TRANSITIONS=161} [2021-03-24 14:42:42,394 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 113 predicate places. [2021-03-24 14:42:42,394 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 161 transitions, 2855 flow [2021-03-24 14:42:42,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:42,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:42,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-24 14:42:42,394 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:42,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:42,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1692671043, now seen corresponding path program 1 times [2021-03-24 14:42:42,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:42,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990493982] [2021-03-24 14:42:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:42,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:42,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:42,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:42,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:42,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:42,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990493982] [2021-03-24 14:42:42,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:42,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:42,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764975995] [2021-03-24 14:42:42,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:42,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:42,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:42,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:42,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:42,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 161 transitions, 2855 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:42,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:42,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:42,720 INFO L129 PetriNetUnfolder]: 486/1014 cut-off events. [2021-03-24 14:42:42,721 INFO L130 PetriNetUnfolder]: For 14187/14266 co-relation queries the response was YES. [2021-03-24 14:42:42,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7140 conditions, 1014 events. 486/1014 cut-off events. For 14187/14266 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6454 event pairs, 60 based on Foata normal form. 16/919 useless extension candidates. Maximal degree in co-relation 6949. Up to 309 conditions per place. [2021-03-24 14:42:42,733 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 161 selfloop transitions, 63 changer transitions 4/235 dead transitions. [2021-03-24 14:42:42,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 235 transitions, 4634 flow [2021-03-24 14:42:42,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:42,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:42:42,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:42:42,734 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:42:42,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:42:42,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:42,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:42:42,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,735 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,735 INFO L185 Difference]: Start difference. First operand has 136 places, 161 transitions, 2855 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:42:42,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 235 transitions, 4634 flow [2021-03-24 14:42:42,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 235 transitions, 4466 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:42,793 INFO L241 Difference]: Finished difference. Result has 144 places, 176 transitions, 3273 flow [2021-03-24 14:42:42,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2746, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3273, PETRI_PLACES=144, PETRI_TRANSITIONS=176} [2021-03-24 14:42:42,794 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 121 predicate places. [2021-03-24 14:42:42,794 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 176 transitions, 3273 flow [2021-03-24 14:42:42,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:42,795 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:42,795 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:42,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-24 14:42:42,796 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:42,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:42,796 INFO L82 PathProgramCache]: Analyzing trace with hash 906522893, now seen corresponding path program 2 times [2021-03-24 14:42:42,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:42,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421750066] [2021-03-24 14:42:42,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,814 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:42,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:42,821 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-24 14:42:42,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:42,830 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:42:42,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:42:42,839 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-03-24 14:42:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:42,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:42,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:42,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421750066] [2021-03-24 14:42:42,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132453424] [2021-03-24 14:42:42,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:42:42,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:42:42,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:42:42,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:42:42,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:42:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:42,942 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:42:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:42,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:43,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:43,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,006 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:42:43,007 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:42:43,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:43,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:42:43,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,016 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:43,035 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:43,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,043 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:43,044 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:43,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,049 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:42:43,053 INFO L147 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size 12 [2021-03-24 14:42:43,053 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-24 14:42:43,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:43,066 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:42:43,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,086 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-24 14:42:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:43,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:43,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:43,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:43,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:42:43,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:42:43,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:43,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:43,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:42:43,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,109 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:43,110 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:43,111 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-24 14:42:43,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-24 14:42:43,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:43,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:43,114 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:42:43,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:43,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:42:43,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2021-03-24 14:42:43,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158854340] [2021-03-24 14:42:43,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 14:42:43,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:43,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 14:42:43,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:42:43,128 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:43,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 176 transitions, 3273 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:43,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:43,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:43,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:43,595 INFO L129 PetriNetUnfolder]: 550/1110 cut-off events. [2021-03-24 14:42:43,596 INFO L130 PetriNetUnfolder]: For 17131/17210 co-relation queries the response was YES. [2021-03-24 14:42:43,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8122 conditions, 1110 events. 550/1110 cut-off events. For 17131/17210 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6927 event pairs, 101 based on Foata normal form. 10/985 useless extension candidates. Maximal degree in co-relation 7916. Up to 473 conditions per place. [2021-03-24 14:42:43,613 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 148 selfloop transitions, 76 changer transitions 0/231 dead transitions. [2021-03-24 14:42:43,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 231 transitions, 4559 flow [2021-03-24 14:42:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:42:43,614 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:42:43,614 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:42:43,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:42:43,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:43,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:42:43,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:43,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:43,615 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:43,615 INFO L185 Difference]: Start difference. First operand has 144 places, 176 transitions, 3273 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:42:43,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 231 transitions, 4559 flow [2021-03-24 14:42:43,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 231 transitions, 4509 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:43,734 INFO L241 Difference]: Finished difference. Result has 150 places, 180 transitions, 3481 flow [2021-03-24 14:42:43,734 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=3244, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3481, PETRI_PLACES=150, PETRI_TRANSITIONS=180} [2021-03-24 14:42:43,735 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 127 predicate places. [2021-03-24 14:42:43,735 INFO L480 AbstractCegarLoop]: Abstraction has has 150 places, 180 transitions, 3481 flow [2021-03-24 14:42:43,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:43,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:43,735 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:43,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-24 14:42:43,952 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:43,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:43,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1550928053, now seen corresponding path program 1 times [2021-03-24 14:42:43,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:43,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909573386] [2021-03-24 14:42:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:43,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:43,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:43,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:43,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:43,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:43,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:43,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:44,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909573386] [2021-03-24 14:42:44,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238043589] [2021-03-24 14:42:44,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:42:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:44,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:42:44,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:42:44,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,045 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:42:44,046 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:42:44,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,060 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:42:44,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,064 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 14:42:44,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:42:44,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:44,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:42:44,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:42:44,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,069 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:44,069 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:44,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,072 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:42:44,073 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:42:44,073 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-24 14:42:44,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:44,074 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-24 14:42:44,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:44,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:44,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:44,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:44,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,081 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:42:44,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:44,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:44,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:44,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:44,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,097 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:42:44,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:44,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:42:44,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-24 14:42:44,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27233818] [2021-03-24 14:42:44,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:44,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:44,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:44,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:44,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:44,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 180 transitions, 3481 flow. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:44,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:44,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:44,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:44,457 INFO L129 PetriNetUnfolder]: 632/1288 cut-off events. [2021-03-24 14:42:44,457 INFO L130 PetriNetUnfolder]: For 20601/20606 co-relation queries the response was YES. [2021-03-24 14:42:44,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9435 conditions, 1288 events. 632/1288 cut-off events. For 20601/20606 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8398 event pairs, 57 based on Foata normal form. 2/1122 useless extension candidates. Maximal degree in co-relation 9186. Up to 440 conditions per place. [2021-03-24 14:42:44,475 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 192 selfloop transitions, 67 changer transitions 3/269 dead transitions. [2021-03-24 14:42:44,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 269 transitions, 5476 flow [2021-03-24 14:42:44,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:42:44,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:42:44,477 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:42:44,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:42:44,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:44,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:42:44,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:44,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:44,478 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:44,478 INFO L185 Difference]: Start difference. First operand has 150 places, 180 transitions, 3481 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:42:44,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 269 transitions, 5476 flow [2021-03-24 14:42:44,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 269 transitions, 5314 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-24 14:42:44,567 INFO L241 Difference]: Finished difference. Result has 157 places, 197 transitions, 3865 flow [2021-03-24 14:42:44,567 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=3319, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3865, PETRI_PLACES=157, PETRI_TRANSITIONS=197} [2021-03-24 14:42:44,567 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 134 predicate places. [2021-03-24 14:42:44,567 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 197 transitions, 3865 flow [2021-03-24 14:42:44,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:44,567 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:44,567 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:44,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-24 14:42:44,780 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:44,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1682800871, now seen corresponding path program 3 times [2021-03-24 14:42:44,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:44,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303660027] [2021-03-24 14:42:44,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:44,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:44,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:44,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:44,818 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:42:44,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:44,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:42:44,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:44,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:44,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:44,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303660027] [2021-03-24 14:42:44,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:44,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:44,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157619982] [2021-03-24 14:42:44,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:44,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:44,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:44,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:44,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:44,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 197 transitions, 3865 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:44,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:44,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:44,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:45,165 INFO L129 PetriNetUnfolder]: 654/1328 cut-off events. [2021-03-24 14:42:45,165 INFO L130 PetriNetUnfolder]: For 22752/22780 co-relation queries the response was YES. [2021-03-24 14:42:45,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9925 conditions, 1328 events. 654/1328 cut-off events. For 22752/22780 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 8756 event pairs, 103 based on Foata normal form. 5/1156 useless extension candidates. Maximal degree in co-relation 9663. Up to 380 conditions per place. [2021-03-24 14:42:45,185 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 159 selfloop transitions, 75 changer transitions 0/241 dead transitions. [2021-03-24 14:42:45,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 241 transitions, 4992 flow [2021-03-24 14:42:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:45,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 153 transitions. [2021-03-24 14:42:45,186 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7536945812807881 [2021-03-24 14:42:45,186 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 153 transitions. [2021-03-24 14:42:45,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 153 transitions. [2021-03-24 14:42:45,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:45,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 153 transitions. [2021-03-24 14:42:45,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,188 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,188 INFO L185 Difference]: Start difference. First operand has 157 places, 197 transitions, 3865 flow. Second operand 7 states and 153 transitions. [2021-03-24 14:42:45,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 241 transitions, 4992 flow [2021-03-24 14:42:45,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 241 transitions, 4861 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:45,306 INFO L241 Difference]: Finished difference. Result has 164 places, 203 transitions, 4049 flow [2021-03-24 14:42:45,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=3754, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4049, PETRI_PLACES=164, PETRI_TRANSITIONS=203} [2021-03-24 14:42:45,306 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 141 predicate places. [2021-03-24 14:42:45,306 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 203 transitions, 4049 flow [2021-03-24 14:42:45,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:45,307 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:45,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-24 14:42:45,307 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:45,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:45,307 INFO L82 PathProgramCache]: Analyzing trace with hash -855910833, now seen corresponding path program 4 times [2021-03-24 14:42:45,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:45,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524451162] [2021-03-24 14:42:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:45,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:45,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:45,318 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:42:45,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:45,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:45,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:45,326 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:42:45,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:42:45,334 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-03-24 14:42:45,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:45,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:45,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:45,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:45,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:45,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:45,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:45,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524451162] [2021-03-24 14:42:45,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:45,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 14:42:45,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144755443] [2021-03-24 14:42:45,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:45,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:45,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:45,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:45,357 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:45,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 203 transitions, 4049 flow. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:45,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:45,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:45,695 INFO L129 PetriNetUnfolder]: 700/1400 cut-off events. [2021-03-24 14:42:45,695 INFO L130 PetriNetUnfolder]: For 25724/25786 co-relation queries the response was YES. [2021-03-24 14:42:45,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10821 conditions, 1400 events. 700/1400 cut-off events. For 25724/25786 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 9058 event pairs, 51 based on Foata normal form. 4/1213 useless extension candidates. Maximal degree in co-relation 10559. Up to 535 conditions per place. [2021-03-24 14:42:45,715 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 172 selfloop transitions, 68 changer transitions 0/247 dead transitions. [2021-03-24 14:42:45,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 247 transitions, 5229 flow [2021-03-24 14:42:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:42:45,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:42:45,716 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:42:45,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:42:45,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:45,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:42:45,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,717 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,718 INFO L185 Difference]: Start difference. First operand has 164 places, 203 transitions, 4049 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:42:45,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 247 transitions, 5229 flow [2021-03-24 14:42:45,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 247 transitions, 4992 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-03-24 14:42:45,831 INFO L241 Difference]: Finished difference. Result has 170 places, 210 transitions, 4190 flow [2021-03-24 14:42:45,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=3839, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4190, PETRI_PLACES=170, PETRI_TRANSITIONS=210} [2021-03-24 14:42:45,831 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 147 predicate places. [2021-03-24 14:42:45,832 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 210 transitions, 4190 flow [2021-03-24 14:42:45,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,832 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:45,832 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:45,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-24 14:42:45,832 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:45,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:45,832 INFO L82 PathProgramCache]: Analyzing trace with hash 188045831, now seen corresponding path program 5 times [2021-03-24 14:42:45,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:45,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140114119] [2021-03-24 14:42:45,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:45,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:45,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:45,849 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:45,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:45,855 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-24 14:42:45,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:45,870 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:42:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:42:45,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 14:42:45,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:45,890 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-24 14:42:45,891 INFO L147 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size 10 [2021-03-24 14:42:45,905 INFO L142 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-03-24 14:42:45,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:45,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:45,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:45,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140114119] [2021-03-24 14:42:45,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:45,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:45,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495407690] [2021-03-24 14:42:45,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:45,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:45,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:45,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:45,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:45,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 210 transitions, 4190 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:45,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:45,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:45,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:46,331 INFO L129 PetriNetUnfolder]: 780/1643 cut-off events. [2021-03-24 14:42:46,332 INFO L130 PetriNetUnfolder]: For 31237/31256 co-relation queries the response was YES. [2021-03-24 14:42:46,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12477 conditions, 1643 events. 780/1643 cut-off events. For 31237/31256 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 11681 event pairs, 135 based on Foata normal form. 6/1436 useless extension candidates. Maximal degree in co-relation 12193. Up to 648 conditions per place. [2021-03-24 14:42:46,355 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 187 selfloop transitions, 99 changer transitions 1/294 dead transitions. [2021-03-24 14:42:46,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 294 transitions, 6442 flow [2021-03-24 14:42:46,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:42:46,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:42:46,357 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:42:46,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:42:46,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:46,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:42:46,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:46,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:46,358 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:46,358 INFO L185 Difference]: Start difference. First operand has 170 places, 210 transitions, 4190 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:42:46,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 294 transitions, 6442 flow [2021-03-24 14:42:46,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 294 transitions, 6272 flow, removed 41 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:46,487 INFO L241 Difference]: Finished difference. Result has 179 places, 240 transitions, 4967 flow [2021-03-24 14:42:46,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=4077, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4967, PETRI_PLACES=179, PETRI_TRANSITIONS=240} [2021-03-24 14:42:46,487 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 156 predicate places. [2021-03-24 14:42:46,488 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 240 transitions, 4967 flow [2021-03-24 14:42:46,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:46,488 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:46,488 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:46,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-24 14:42:46,488 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:46,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:46,488 INFO L82 PathProgramCache]: Analyzing trace with hash -957560243, now seen corresponding path program 2 times [2021-03-24 14:42:46,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:46,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851232055] [2021-03-24 14:42:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:46,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:46,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:46,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:46,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:46,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851232055] [2021-03-24 14:42:46,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543106329] [2021-03-24 14:42:46,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:42:46,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:42:46,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:42:46,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:42:46,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:42:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,590 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:42:46,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:46,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:46,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:46,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,610 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:42:46,610 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:42:46,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:46,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:42:46,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:46,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,613 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:46,614 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:46,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,619 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:46,620 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:46,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,625 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:42:46,626 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:42:46,626 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:42:46,626 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:42:46,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:46,638 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:42:46,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:46,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:46,654 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-24 14:42:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,670 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:42:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:46,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:46,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:46,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:46,680 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:42:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:46,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:46,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:42:46,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 14:42:46,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294404898] [2021-03-24 14:42:46,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 14:42:46,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:46,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 14:42:46,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:42:46,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:46,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 240 transitions, 4967 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:46,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:46,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:46,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:47,254 INFO L129 PetriNetUnfolder]: 866/1857 cut-off events. [2021-03-24 14:42:47,255 INFO L130 PetriNetUnfolder]: For 36347/36378 co-relation queries the response was YES. [2021-03-24 14:42:47,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14325 conditions, 1857 events. 866/1857 cut-off events. For 36347/36378 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 13796 event pairs, 134 based on Foata normal form. 5/1598 useless extension candidates. Maximal degree in co-relation 14168. Up to 502 conditions per place. [2021-03-24 14:42:47,283 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 196 selfloop transitions, 118 changer transitions 0/321 dead transitions. [2021-03-24 14:42:47,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 321 transitions, 7202 flow [2021-03-24 14:42:47,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:47,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:42:47,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:42:47,285 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:42:47,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:42:47,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:47,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:42:47,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:47,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:47,287 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:47,287 INFO L185 Difference]: Start difference. First operand has 179 places, 240 transitions, 4967 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:42:47,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 321 transitions, 7202 flow [2021-03-24 14:42:47,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 321 transitions, 7003 flow, removed 61 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:47,505 INFO L241 Difference]: Finished difference. Result has 187 places, 271 transitions, 5837 flow [2021-03-24 14:42:47,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=4800, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5837, PETRI_PLACES=187, PETRI_TRANSITIONS=271} [2021-03-24 14:42:47,506 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 164 predicate places. [2021-03-24 14:42:47,506 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 271 transitions, 5837 flow [2021-03-24 14:42:47,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:47,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:47,506 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:47,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:42:47,716 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:47,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:47,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1213546099, now seen corresponding path program 6 times [2021-03-24 14:42:47,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:47,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490162310] [2021-03-24 14:42:47,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:47,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:47,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:47,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:47,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:47,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:47,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:42:47,747 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-24 14:42:47,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:42:47,759 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 14:42:47,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:47,766 INFO L142 QuantifierPusher]: treesize reduction 10, result has 9.1 percent of original size [2021-03-24 14:42:47,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:47,772 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-24 14:42:47,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:47,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:47,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:47,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490162310] [2021-03-24 14:42:47,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:47,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:47,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926518923] [2021-03-24 14:42:47,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:47,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:47,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:47,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:47,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:47,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 271 transitions, 5837 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:47,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:47,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:47,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:48,244 INFO L129 PetriNetUnfolder]: 865/1888 cut-off events. [2021-03-24 14:42:48,245 INFO L130 PetriNetUnfolder]: For 36655/36689 co-relation queries the response was YES. [2021-03-24 14:42:48,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14566 conditions, 1888 events. 865/1888 cut-off events. For 36655/36689 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 14278 event pairs, 88 based on Foata normal form. 9/1633 useless extension candidates. Maximal degree in co-relation 14242. Up to 611 conditions per place. [2021-03-24 14:42:48,273 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 195 selfloop transitions, 125 changer transitions 1/328 dead transitions. [2021-03-24 14:42:48,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 328 transitions, 7566 flow [2021-03-24 14:42:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 144 transitions. [2021-03-24 14:42:48,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7093596059113301 [2021-03-24 14:42:48,274 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 144 transitions. [2021-03-24 14:42:48,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 144 transitions. [2021-03-24 14:42:48,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:48,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 144 transitions. [2021-03-24 14:42:48,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 7 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:48,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:48,275 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:48,275 INFO L185 Difference]: Start difference. First operand has 187 places, 271 transitions, 5837 flow. Second operand 7 states and 144 transitions. [2021-03-24 14:42:48,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 328 transitions, 7566 flow [2021-03-24 14:42:48,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 328 transitions, 7465 flow, removed 20 selfloop flow, removed 1 redundant places. [2021-03-24 14:42:48,464 INFO L241 Difference]: Finished difference. Result has 193 places, 274 transitions, 6056 flow [2021-03-24 14:42:48,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=5701, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=6056, PETRI_PLACES=193, PETRI_TRANSITIONS=274} [2021-03-24 14:42:48,465 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 170 predicate places. [2021-03-24 14:42:48,465 INFO L480 AbstractCegarLoop]: Abstraction has has 193 places, 274 transitions, 6056 flow [2021-03-24 14:42:48,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:48,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:48,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:48,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-24 14:42:48,465 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:48,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:48,466 INFO L82 PathProgramCache]: Analyzing trace with hash -807126357, now seen corresponding path program 3 times [2021-03-24 14:42:48,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:48,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341412977] [2021-03-24 14:42:48,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:48,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:48,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:48,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:48,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341412977] [2021-03-24 14:42:48,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498048199] [2021-03-24 14:42:48,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:42:48,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:42:48,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:42:48,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:42:48,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:42:48,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:42:48,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:48,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:48,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:48,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:48,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:48,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:48,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:48,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:48,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,566 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:42:48,566 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:42:48,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:48,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:42:48,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:48,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,569 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:48,569 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:48,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,572 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:48,572 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:48,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,574 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:42:48,574 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:42:48,575 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:42:48,575 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:42:48,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:48,587 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:42:48,587 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:42:48,587 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:42:48,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:48,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:48,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:48,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,594 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:42:48,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:48,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:48,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:48,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:48,597 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:42:48,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:48,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:48,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:48,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:48,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:48,609 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:42:48,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:48,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:48,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:48,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:42:48,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-24 14:42:48,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746551219] [2021-03-24 14:42:48,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 14:42:48,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:48,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 14:42:48,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-24 14:42:48,613 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:48,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 274 transitions, 6056 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:48,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:48,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:48,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:49,198 INFO L129 PetriNetUnfolder]: 911/2031 cut-off events. [2021-03-24 14:42:49,198 INFO L130 PetriNetUnfolder]: For 41168/41173 co-relation queries the response was YES. [2021-03-24 14:42:49,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15657 conditions, 2031 events. 911/2031 cut-off events. For 41168/41173 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 15860 event pairs, 118 based on Foata normal form. 4/1734 useless extension candidates. Maximal degree in co-relation 15319. Up to 546 conditions per place. [2021-03-24 14:42:49,229 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 238 selfloop transitions, 112 changer transitions 0/357 dead transitions. [2021-03-24 14:42:49,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 357 transitions, 8557 flow [2021-03-24 14:42:49,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:42:49,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:42:49,231 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:42:49,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:42:49,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:49,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:42:49,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:49,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:49,232 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:49,232 INFO L185 Difference]: Start difference. First operand has 193 places, 274 transitions, 6056 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:42:49,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 357 transitions, 8557 flow [2021-03-24 14:42:49,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 357 transitions, 8321 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-24 14:42:49,429 INFO L241 Difference]: Finished difference. Result has 199 places, 292 transitions, 6634 flow [2021-03-24 14:42:49,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=5828, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=6634, PETRI_PLACES=199, PETRI_TRANSITIONS=292} [2021-03-24 14:42:49,430 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 176 predicate places. [2021-03-24 14:42:49,430 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 292 transitions, 6634 flow [2021-03-24 14:42:49,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:49,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:49,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:49,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:42:49,631 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:49,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:49,631 INFO L82 PathProgramCache]: Analyzing trace with hash 2009478097, now seen corresponding path program 7 times [2021-03-24 14:42:49,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:49,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891023788] [2021-03-24 14:42:49,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:49,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:49,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:49,645 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:49,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:49,651 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-24 14:42:49,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 14:42:49,663 INFO L142 QuantifierPusher]: treesize reduction 20, result has 39.4 percent of original size [2021-03-24 14:42:49,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:42:49,671 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 14:42:49,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:49,678 INFO L142 QuantifierPusher]: treesize reduction 19, result has 5.0 percent of original size [2021-03-24 14:42:49,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:49,683 INFO L142 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-03-24 14:42:49,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:49,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:49,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:49,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891023788] [2021-03-24 14:42:49,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:49,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:49,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138176944] [2021-03-24 14:42:49,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:49,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:49,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:49,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:49,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:49,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 292 transitions, 6634 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:49,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:49,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:49,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:50,094 INFO L129 PetriNetUnfolder]: 910/2061 cut-off events. [2021-03-24 14:42:50,095 INFO L130 PetriNetUnfolder]: For 43879/43884 co-relation queries the response was YES. [2021-03-24 14:42:50,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16138 conditions, 2061 events. 910/2061 cut-off events. For 43879/43884 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 16363 event pairs, 156 based on Foata normal form. 3/1901 useless extension candidates. Maximal degree in co-relation 15784. Up to 870 conditions per place. [2021-03-24 14:42:50,125 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 187 selfloop transitions, 142 changer transitions 1/337 dead transitions. [2021-03-24 14:42:50,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 337 transitions, 8283 flow [2021-03-24 14:42:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:42:50,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:42:50,126 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:42:50,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:42:50,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:50,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:42:50,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:50,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:50,127 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:50,127 INFO L185 Difference]: Start difference. First operand has 199 places, 292 transitions, 6634 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:42:50,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 337 transitions, 8283 flow [2021-03-24 14:42:50,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 337 transitions, 8100 flow, removed 30 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:50,386 INFO L241 Difference]: Finished difference. Result has 207 places, 305 transitions, 7151 flow [2021-03-24 14:42:50,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=6476, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=7151, PETRI_PLACES=207, PETRI_TRANSITIONS=305} [2021-03-24 14:42:50,386 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 184 predicate places. [2021-03-24 14:42:50,386 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 305 transitions, 7151 flow [2021-03-24 14:42:50,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:50,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:50,387 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:50,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-24 14:42:50,387 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:50,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:50,387 INFO L82 PathProgramCache]: Analyzing trace with hash 848256617, now seen corresponding path program 4 times [2021-03-24 14:42:50,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:50,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263303076] [2021-03-24 14:42:50,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:50,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:50,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:50,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:42:50,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:50,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:50,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263303076] [2021-03-24 14:42:50,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462914050] [2021-03-24 14:42:50,436 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:42:50,473 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:42:50,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:42:50,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:42:50,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:42:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,480 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:42:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:50,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:50,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:50,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:50,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:50,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:50,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,500 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:42:50,500 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:42:50,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:50,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:42:50,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:42:50,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,503 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:50,504 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:50,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,509 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:50,510 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:50,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,511 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:42:50,512 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:42:50,512 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:42:50,512 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:42:50,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:50,523 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:42:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:50,538 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:42:50,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:42:50,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:50,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:42:50,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:42:50,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,542 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:42:50,542 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:50,543 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-03-24 14:42:50,545 INFO L147 QuantifierPusher]: treesize reduction 2, result has 71.4 percent of original size 5 [2021-03-24 14:42:50,545 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:42:50,545 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:42:50,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:50,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:50,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:50,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:50,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:42:50,560 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:42:50,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:50,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:50,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:50,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:50,564 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:42:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:50,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:42:50,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 14:42:50,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274598055] [2021-03-24 14:42:50,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 14:42:50,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:50,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 14:42:50,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:42:50,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:50,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 305 transitions, 7151 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:50,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:50,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:50,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:51,186 INFO L129 PetriNetUnfolder]: 930/2103 cut-off events. [2021-03-24 14:42:51,186 INFO L130 PetriNetUnfolder]: For 46595/46600 co-relation queries the response was YES. [2021-03-24 14:42:51,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16764 conditions, 2103 events. 930/2103 cut-off events. For 46595/46600 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 16690 event pairs, 154 based on Foata normal form. 6/1946 useless extension candidates. Maximal degree in co-relation 16596. Up to 562 conditions per place. [2021-03-24 14:42:51,211 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 206 selfloop transitions, 139 changer transitions 0/352 dead transitions. [2021-03-24 14:42:51,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 352 transitions, 8829 flow [2021-03-24 14:42:51,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 153 transitions. [2021-03-24 14:42:51,212 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7536945812807881 [2021-03-24 14:42:51,212 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 153 transitions. [2021-03-24 14:42:51,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 153 transitions. [2021-03-24 14:42:51,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:51,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 153 transitions. [2021-03-24 14:42:51,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:51,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:51,214 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:51,214 INFO L185 Difference]: Start difference. First operand has 207 places, 305 transitions, 7151 flow. Second operand 7 states and 153 transitions. [2021-03-24 14:42:51,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 352 transitions, 8829 flow [2021-03-24 14:42:51,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 352 transitions, 8517 flow, removed 30 selfloop flow, removed 4 redundant places. [2021-03-24 14:42:51,410 INFO L241 Difference]: Finished difference. Result has 211 places, 314 transitions, 7438 flow [2021-03-24 14:42:51,411 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=6853, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=7438, PETRI_PLACES=211, PETRI_TRANSITIONS=314} [2021-03-24 14:42:51,411 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 188 predicate places. [2021-03-24 14:42:51,411 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 314 transitions, 7438 flow [2021-03-24 14:42:51,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:51,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:51,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:51,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-24 14:42:51,612 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:51,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:51,612 INFO L82 PathProgramCache]: Analyzing trace with hash -584487053, now seen corresponding path program 8 times [2021-03-24 14:42:51,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:51,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10645089] [2021-03-24 14:42:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:51,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:51,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:51,632 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:42:51,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:51,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:51,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:51,639 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:42:51,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:42:51,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:51,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:51,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:51,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:51,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:51,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10645089] [2021-03-24 14:42:51,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:51,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:51,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032944734] [2021-03-24 14:42:51,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:51,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:51,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:51,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:51,663 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:51,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 314 transitions, 7438 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:51,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:51,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:51,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:52,228 INFO L129 PetriNetUnfolder]: 1052/2323 cut-off events. [2021-03-24 14:42:52,228 INFO L130 PetriNetUnfolder]: For 52068/52073 co-relation queries the response was YES. [2021-03-24 14:42:52,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18701 conditions, 2323 events. 1052/2323 cut-off events. For 52068/52073 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 18399 event pairs, 78 based on Foata normal form. 2/2124 useless extension candidates. Maximal degree in co-relation 18333. Up to 925 conditions per place. [2021-03-24 14:42:52,261 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 306 selfloop transitions, 81 changer transitions 3/397 dead transitions. [2021-03-24 14:42:52,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 397 transitions, 9872 flow [2021-03-24 14:42:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:42:52,263 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:42:52,263 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:42:52,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:42:52,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:52,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:42:52,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:52,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:52,264 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:52,264 INFO L185 Difference]: Start difference. First operand has 211 places, 314 transitions, 7438 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:42:52,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 397 transitions, 9872 flow [2021-03-24 14:42:52,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 397 transitions, 9681 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:52,472 INFO L241 Difference]: Finished difference. Result has 219 places, 331 transitions, 7945 flow [2021-03-24 14:42:52,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7274, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=7945, PETRI_PLACES=219, PETRI_TRANSITIONS=331} [2021-03-24 14:42:52,473 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 196 predicate places. [2021-03-24 14:42:52,473 INFO L480 AbstractCegarLoop]: Abstraction has has 219 places, 331 transitions, 7945 flow [2021-03-24 14:42:52,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:52,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:52,473 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:52,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-24 14:42:52,473 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:52,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:52,474 INFO L82 PathProgramCache]: Analyzing trace with hash -467496247, now seen corresponding path program 5 times [2021-03-24 14:42:52,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:52,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262163425] [2021-03-24 14:42:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:52,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:52,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:52,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:52,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:52,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:52,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:52,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:52,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:52,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:52,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:52,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:52,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:52,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:52,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:52,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262163425] [2021-03-24 14:42:52,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:52,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:52,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261033491] [2021-03-24 14:42:52,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:52,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:52,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:52,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:52,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:52,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 331 transitions, 7945 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:52,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:52,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:52,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:53,038 INFO L129 PetriNetUnfolder]: 1050/2399 cut-off events. [2021-03-24 14:42:53,039 INFO L130 PetriNetUnfolder]: For 56148/56153 co-relation queries the response was YES. [2021-03-24 14:42:53,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18976 conditions, 2399 events. 1050/2399 cut-off events. For 56148/56153 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 19578 event pairs, 106 based on Foata normal form. 4/2202 useless extension candidates. Maximal degree in co-relation 18644. Up to 751 conditions per place. [2021-03-24 14:42:53,063 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 225 selfloop transitions, 150 changer transitions 0/382 dead transitions. [2021-03-24 14:42:53,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 382 transitions, 9716 flow [2021-03-24 14:42:53,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:42:53,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:42:53,065 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:42:53,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:42:53,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:53,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:42:53,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:53,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:53,066 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:53,066 INFO L185 Difference]: Start difference. First operand has 219 places, 331 transitions, 7945 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:42:53,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 382 transitions, 9716 flow [2021-03-24 14:42:53,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 382 transitions, 9513 flow, removed 56 selfloop flow, removed 2 redundant places. [2021-03-24 14:42:53,256 INFO L241 Difference]: Finished difference. Result has 224 places, 331 transitions, 8061 flow [2021-03-24 14:42:53,256 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7757, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8061, PETRI_PLACES=224, PETRI_TRANSITIONS=331} [2021-03-24 14:42:53,256 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 201 predicate places. [2021-03-24 14:42:53,256 INFO L480 AbstractCegarLoop]: Abstraction has has 224 places, 331 transitions, 8061 flow [2021-03-24 14:42:53,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:53,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:53,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:53,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-24 14:42:53,257 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:53,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:53,257 INFO L82 PathProgramCache]: Analyzing trace with hash 772907231, now seen corresponding path program 6 times [2021-03-24 14:42:53,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:53,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196132762] [2021-03-24 14:42:53,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:53,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:53,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:53,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:53,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:53,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:53,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:53,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:53,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:53,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:53,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:53,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:53,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:53,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:53,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:53,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196132762] [2021-03-24 14:42:53,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:53,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:53,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786611087] [2021-03-24 14:42:53,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:53,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:53,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:53,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:53,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:53,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 331 transitions, 8061 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:53,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:53,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:53,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:53,784 INFO L129 PetriNetUnfolder]: 1048/2389 cut-off events. [2021-03-24 14:42:53,784 INFO L130 PetriNetUnfolder]: For 55252/55284 co-relation queries the response was YES. [2021-03-24 14:42:53,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19054 conditions, 2389 events. 1048/2389 cut-off events. For 55252/55284 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 19448 event pairs, 111 based on Foata normal form. 10/2197 useless extension candidates. Maximal degree in co-relation 18721. Up to 751 conditions per place. [2021-03-24 14:42:53,813 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 235 selfloop transitions, 138 changer transitions 1/381 dead transitions. [2021-03-24 14:42:53,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 381 transitions, 9810 flow [2021-03-24 14:42:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:42:53,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:42:53,815 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:42:53,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:42:53,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:53,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:42:53,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:53,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:53,816 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:53,816 INFO L185 Difference]: Start difference. First operand has 224 places, 331 transitions, 8061 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:42:53,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 381 transitions, 9810 flow [2021-03-24 14:42:54,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 381 transitions, 9504 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-24 14:42:54,109 INFO L241 Difference]: Finished difference. Result has 228 places, 332 transitions, 8086 flow [2021-03-24 14:42:54,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7730, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8086, PETRI_PLACES=228, PETRI_TRANSITIONS=332} [2021-03-24 14:42:54,110 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 205 predicate places. [2021-03-24 14:42:54,110 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 332 transitions, 8086 flow [2021-03-24 14:42:54,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:54,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:54,110 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:54,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-24 14:42:54,110 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:54,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:54,111 INFO L82 PathProgramCache]: Analyzing trace with hash -885736485, now seen corresponding path program 9 times [2021-03-24 14:42:54,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:54,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308582492] [2021-03-24 14:42:54,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:54,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:54,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:54,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:54,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:54,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308582492] [2021-03-24 14:42:54,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:54,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:54,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713425357] [2021-03-24 14:42:54,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:54,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:54,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:54,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:54,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:54,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 332 transitions, 8086 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:54,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:54,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:54,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:54,651 INFO L129 PetriNetUnfolder]: 1047/2382 cut-off events. [2021-03-24 14:42:54,651 INFO L130 PetriNetUnfolder]: For 56148/56180 co-relation queries the response was YES. [2021-03-24 14:42:54,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19168 conditions, 2382 events. 1047/2382 cut-off events. For 56148/56180 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 19358 event pairs, 112 based on Foata normal form. 9/2190 useless extension candidates. Maximal degree in co-relation 18835. Up to 854 conditions per place. [2021-03-24 14:42:54,683 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 217 selfloop transitions, 148 changer transitions 1/373 dead transitions. [2021-03-24 14:42:54,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 373 transitions, 9625 flow [2021-03-24 14:42:54,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:54,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:42:54,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:42:54,685 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:42:54,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:42:54,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:54,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:42:54,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:54,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:54,686 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:54,686 INFO L185 Difference]: Start difference. First operand has 228 places, 332 transitions, 8086 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:42:54,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 373 transitions, 9625 flow [2021-03-24 14:42:54,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 373 transitions, 9272 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-24 14:42:54,935 INFO L241 Difference]: Finished difference. Result has 231 places, 330 transitions, 7978 flow [2021-03-24 14:42:54,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7699, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=7978, PETRI_PLACES=231, PETRI_TRANSITIONS=330} [2021-03-24 14:42:54,935 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 208 predicate places. [2021-03-24 14:42:54,935 INFO L480 AbstractCegarLoop]: Abstraction has has 231 places, 330 transitions, 7978 flow [2021-03-24 14:42:54,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:54,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:54,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:54,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-24 14:42:54,936 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:54,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:54,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1857343681, now seen corresponding path program 7 times [2021-03-24 14:42:54,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:54,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170513217] [2021-03-24 14:42:54,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:54,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:54,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:54,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:54,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:54,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:54,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:54,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:54,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170513217] [2021-03-24 14:42:54,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:54,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:54,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342785449] [2021-03-24 14:42:54,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:54,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:54,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:54,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:54,975 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:54,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 330 transitions, 7978 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:54,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:54,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:54,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:55,466 INFO L129 PetriNetUnfolder]: 1048/2379 cut-off events. [2021-03-24 14:42:55,466 INFO L130 PetriNetUnfolder]: For 52937/52969 co-relation queries the response was YES. [2021-03-24 14:42:55,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19287 conditions, 2379 events. 1048/2379 cut-off events. For 52937/52969 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 19299 event pairs, 112 based on Foata normal form. 10/2188 useless extension candidates. Maximal degree in co-relation 19055. Up to 751 conditions per place. [2021-03-24 14:42:55,499 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 233 selfloop transitions, 139 changer transitions 0/379 dead transitions. [2021-03-24 14:42:55,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 379 transitions, 9694 flow [2021-03-24 14:42:55,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:42:55,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:42:55,500 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:42:55,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:42:55,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:55,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:42:55,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:55,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:55,501 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:55,501 INFO L185 Difference]: Start difference. First operand has 231 places, 330 transitions, 7978 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:42:55,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 379 transitions, 9694 flow [2021-03-24 14:42:55,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 379 transitions, 9501 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-24 14:42:55,739 INFO L241 Difference]: Finished difference. Result has 230 places, 331 transitions, 8101 flow [2021-03-24 14:42:55,740 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7774, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8101, PETRI_PLACES=230, PETRI_TRANSITIONS=331} [2021-03-24 14:42:55,740 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 207 predicate places. [2021-03-24 14:42:55,740 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 331 transitions, 8101 flow [2021-03-24 14:42:55,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:55,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:55,740 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:55,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-24 14:42:55,740 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:55,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:55,741 INFO L82 PathProgramCache]: Analyzing trace with hash 26095167, now seen corresponding path program 10 times [2021-03-24 14:42:55,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:55,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078182401] [2021-03-24 14:42:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:55,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:55,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:55,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:55,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:55,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:55,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:55,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:55,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:55,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:55,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:55,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:55,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:55,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:55,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078182401] [2021-03-24 14:42:55,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:55,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:55,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339578263] [2021-03-24 14:42:55,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:55,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:55,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:55,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:55,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:55,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 331 transitions, 8101 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:55,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:55,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:55,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:56,285 INFO L129 PetriNetUnfolder]: 1044/2375 cut-off events. [2021-03-24 14:42:56,285 INFO L130 PetriNetUnfolder]: For 55641/55673 co-relation queries the response was YES. [2021-03-24 14:42:56,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19280 conditions, 2375 events. 1044/2375 cut-off events. For 55641/55673 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 19250 event pairs, 107 based on Foata normal form. 12/2186 useless extension candidates. Maximal degree in co-relation 18946. Up to 737 conditions per place. [2021-03-24 14:42:56,310 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 243 selfloop transitions, 142 changer transitions 0/392 dead transitions. [2021-03-24 14:42:56,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 392 transitions, 10097 flow [2021-03-24 14:42:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:56,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:42:56,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:42:56,311 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:42:56,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:42:56,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:56,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:42:56,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:56,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:56,312 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:56,312 INFO L185 Difference]: Start difference. First operand has 230 places, 331 transitions, 8101 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:42:56,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 392 transitions, 10097 flow [2021-03-24 14:42:56,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 392 transitions, 9819 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 14:42:56,522 INFO L241 Difference]: Finished difference. Result has 232 places, 334 transitions, 8216 flow [2021-03-24 14:42:56,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7823, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8216, PETRI_PLACES=232, PETRI_TRANSITIONS=334} [2021-03-24 14:42:56,522 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 209 predicate places. [2021-03-24 14:42:56,522 INFO L480 AbstractCegarLoop]: Abstraction has has 232 places, 334 transitions, 8216 flow [2021-03-24 14:42:56,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:56,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:56,523 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:56,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-24 14:42:56,523 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:56,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:56,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1560469481, now seen corresponding path program 11 times [2021-03-24 14:42:56,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:56,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771304572] [2021-03-24 14:42:56,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:56,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:56,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:56,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:56,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:56,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:56,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:56,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:56,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:56,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:56,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:56,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:56,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:56,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:56,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771304572] [2021-03-24 14:42:56,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:56,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:56,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893276796] [2021-03-24 14:42:56,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:56,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:56,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:56,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:56,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:56,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 334 transitions, 8216 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:56,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:56,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:56,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:57,035 INFO L129 PetriNetUnfolder]: 1042/2363 cut-off events. [2021-03-24 14:42:57,035 INFO L130 PetriNetUnfolder]: For 55621/55651 co-relation queries the response was YES. [2021-03-24 14:42:57,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19243 conditions, 2363 events. 1042/2363 cut-off events. For 55621/55651 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 19110 event pairs, 107 based on Foata normal form. 10/2176 useless extension candidates. Maximal degree in co-relation 18910. Up to 737 conditions per place. [2021-03-24 14:42:57,064 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 242 selfloop transitions, 140 changer transitions 1/390 dead transitions. [2021-03-24 14:42:57,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 390 transitions, 10071 flow [2021-03-24 14:42:57,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:42:57,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:42:57,065 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:42:57,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:42:57,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:57,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:42:57,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:57,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:57,066 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:57,066 INFO L185 Difference]: Start difference. First operand has 232 places, 334 transitions, 8216 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:42:57,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 390 transitions, 10071 flow [2021-03-24 14:42:57,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 390 transitions, 9801 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-24 14:42:57,345 INFO L241 Difference]: Finished difference. Result has 235 places, 332 transitions, 8199 flow [2021-03-24 14:42:57,345 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7902, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8199, PETRI_PLACES=235, PETRI_TRANSITIONS=332} [2021-03-24 14:42:57,346 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 212 predicate places. [2021-03-24 14:42:57,346 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 332 transitions, 8199 flow [2021-03-24 14:42:57,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:57,346 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:57,346 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:57,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-24 14:42:57,346 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:57,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:57,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1149590203, now seen corresponding path program 8 times [2021-03-24 14:42:57,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:57,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373933849] [2021-03-24 14:42:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:57,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:57,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:57,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:57,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:57,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:57,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:57,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:57,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:57,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:57,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:42:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:57,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373933849] [2021-03-24 14:42:57,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:57,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:57,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075707031] [2021-03-24 14:42:57,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:57,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:57,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:57,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:57,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:57,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 332 transitions, 8199 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:57,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:57,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:57,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:57,893 INFO L129 PetriNetUnfolder]: 1041/2355 cut-off events. [2021-03-24 14:42:57,893 INFO L130 PetriNetUnfolder]: For 55630/55660 co-relation queries the response was YES. [2021-03-24 14:42:57,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19207 conditions, 2355 events. 1041/2355 cut-off events. For 55630/55660 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 19017 event pairs, 107 based on Foata normal form. 9/2167 useless extension candidates. Maximal degree in co-relation 18873. Up to 863 conditions per place. [2021-03-24 14:42:57,918 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 229 selfloop transitions, 145 changer transitions 1/382 dead transitions. [2021-03-24 14:42:57,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 382 transitions, 9905 flow [2021-03-24 14:42:57,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 144 transitions. [2021-03-24 14:42:57,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7093596059113301 [2021-03-24 14:42:57,919 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 144 transitions. [2021-03-24 14:42:57,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 144 transitions. [2021-03-24 14:42:57,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:57,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 144 transitions. [2021-03-24 14:42:57,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 7 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:57,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:57,920 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:57,920 INFO L185 Difference]: Start difference. First operand has 235 places, 332 transitions, 8199 flow. Second operand 7 states and 144 transitions. [2021-03-24 14:42:57,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 382 transitions, 9905 flow [2021-03-24 14:42:58,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 382 transitions, 9633 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-24 14:42:58,160 INFO L241 Difference]: Finished difference. Result has 238 places, 332 transitions, 8204 flow [2021-03-24 14:42:58,160 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7884, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8204, PETRI_PLACES=238, PETRI_TRANSITIONS=332} [2021-03-24 14:42:58,160 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 215 predicate places. [2021-03-24 14:42:58,160 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 332 transitions, 8204 flow [2021-03-24 14:42:58,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:58,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:58,161 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:58,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-24 14:42:58,161 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:58,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:58,161 INFO L82 PathProgramCache]: Analyzing trace with hash 736193601, now seen corresponding path program 12 times [2021-03-24 14:42:58,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:58,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770479955] [2021-03-24 14:42:58,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:58,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:58,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:58,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:58,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770479955] [2021-03-24 14:42:58,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291772146] [2021-03-24 14:42:58,193 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:42:58,231 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:42:58,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:42:58,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:42:58,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:42:58,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,235 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:42:58,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:58,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:58,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:58,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:42:58,251 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:42:58,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:58,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:58,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:42:58,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:42:58,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,259 INFO L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-03-24 14:42:58,259 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 14:42:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,261 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:42:58,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:58,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:58,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:58,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:58,263 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:42:58,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:58,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:42:58,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:42:58,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:42:58,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:42:58,269 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:42:58,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:58,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:58,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:58,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:42:58,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-24 14:42:58,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802610878] [2021-03-24 14:42:58,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:42:58,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:58,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:42:58,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:42:58,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:58,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 332 transitions, 8204 flow. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:58,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:58,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:58,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:42:58,864 INFO L129 PetriNetUnfolder]: 1040/2342 cut-off events. [2021-03-24 14:42:58,865 INFO L130 PetriNetUnfolder]: For 56098/56128 co-relation queries the response was YES. [2021-03-24 14:42:58,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19206 conditions, 2342 events. 1040/2342 cut-off events. For 56098/56128 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 18790 event pairs, 103 based on Foata normal form. 11/2156 useless extension candidates. Maximal degree in co-relation 18871. Up to 737 conditions per place. [2021-03-24 14:42:58,890 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 233 selfloop transitions, 147 changer transitions 0/387 dead transitions. [2021-03-24 14:42:58,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 387 transitions, 9985 flow [2021-03-24 14:42:58,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:42:58,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:42:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:42:58,891 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:42:58,891 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:42:58,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:42:58,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:42:58,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:42:58,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:58,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:58,892 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:58,892 INFO L185 Difference]: Start difference. First operand has 238 places, 332 transitions, 8204 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:42:58,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 387 transitions, 9985 flow [2021-03-24 14:42:59,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 387 transitions, 9653 flow, removed 31 selfloop flow, removed 5 redundant places. [2021-03-24 14:42:59,113 INFO L241 Difference]: Finished difference. Result has 236 places, 329 transitions, 8129 flow [2021-03-24 14:42:59,114 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7835, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8129, PETRI_PLACES=236, PETRI_TRANSITIONS=329} [2021-03-24 14:42:59,114 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 213 predicate places. [2021-03-24 14:42:59,114 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 329 transitions, 8129 flow [2021-03-24 14:42:59,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:59,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:42:59,114 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:42:59,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-24 14:42:59,316 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:42:59,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:42:59,316 INFO L82 PathProgramCache]: Analyzing trace with hash 398537139, now seen corresponding path program 13 times [2021-03-24 14:42:59,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:42:59,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287226531] [2021-03-24 14:42:59,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:42:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:42:59,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:59,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:59,342 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:42:59,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:42:59,348 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-24 14:42:59,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 14:42:59,361 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-24 14:42:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:42:59,373 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 14:42:59,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:42:59,381 INFO L142 QuantifierPusher]: treesize reduction 19, result has 5.0 percent of original size [2021-03-24 14:42:59,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:59,385 INFO L142 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-03-24 14:42:59,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:59,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:42:59,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:42:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:42:59,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287226531] [2021-03-24 14:42:59,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:42:59,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:42:59,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2991285] [2021-03-24 14:42:59,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:42:59,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:42:59,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:42:59,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:42:59,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:42:59,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 329 transitions, 8129 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:42:59,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:42:59,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:42:59,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:00,004 INFO L129 PetriNetUnfolder]: 1039/2305 cut-off events. [2021-03-24 14:43:00,004 INFO L130 PetriNetUnfolder]: For 54028/54033 co-relation queries the response was YES. [2021-03-24 14:43:00,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18570 conditions, 2305 events. 1039/2305 cut-off events. For 54028/54033 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 18216 event pairs, 186 based on Foata normal form. 3/2112 useless extension candidates. Maximal degree in co-relation 18246. Up to 1041 conditions per place. [2021-03-24 14:43:00,031 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 209 selfloop transitions, 155 changer transitions 1/372 dead transitions. [2021-03-24 14:43:00,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 372 transitions, 9846 flow [2021-03-24 14:43:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:00,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:00,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:43:00,032 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:43:00,032 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:43:00,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:43:00,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:00,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:43:00,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:00,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:00,033 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:00,033 INFO L185 Difference]: Start difference. First operand has 236 places, 329 transitions, 8129 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:43:00,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 372 transitions, 9846 flow [2021-03-24 14:43:00,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 372 transitions, 9568 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:00,304 INFO L241 Difference]: Finished difference. Result has 241 places, 335 transitions, 8359 flow [2021-03-24 14:43:00,305 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7857, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8359, PETRI_PLACES=241, PETRI_TRANSITIONS=335} [2021-03-24 14:43:00,305 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 218 predicate places. [2021-03-24 14:43:00,305 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 335 transitions, 8359 flow [2021-03-24 14:43:00,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:00,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:00,305 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:00,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-24 14:43:00,305 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:00,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:00,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1701958671, now seen corresponding path program 9 times [2021-03-24 14:43:00,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:00,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031214773] [2021-03-24 14:43:00,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:00,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:00,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:00,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:00,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:00,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:00,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:00,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:00,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:00,334 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:43:00,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:00,342 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:43:00,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:00,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:00,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:00,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031214773] [2021-03-24 14:43:00,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:00,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:00,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543454191] [2021-03-24 14:43:00,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:00,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:00,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:00,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:00,349 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:00,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 335 transitions, 8359 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:00,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:00,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:00,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:00,841 INFO L129 PetriNetUnfolder]: 1037/2280 cut-off events. [2021-03-24 14:43:00,841 INFO L130 PetriNetUnfolder]: For 53341/53371 co-relation queries the response was YES. [2021-03-24 14:43:00,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18505 conditions, 2280 events. 1037/2280 cut-off events. For 53341/53371 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 17851 event pairs, 174 based on Foata normal form. 7/2090 useless extension candidates. Maximal degree in co-relation 18360. Up to 607 conditions per place. [2021-03-24 14:43:00,866 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 214 selfloop transitions, 150 changer transitions 0/371 dead transitions. [2021-03-24 14:43:00,866 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 371 transitions, 9817 flow [2021-03-24 14:43:00,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 153 transitions. [2021-03-24 14:43:00,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7536945812807881 [2021-03-24 14:43:00,866 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 153 transitions. [2021-03-24 14:43:00,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 153 transitions. [2021-03-24 14:43:00,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:00,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 153 transitions. [2021-03-24 14:43:00,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:00,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:00,867 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:00,867 INFO L185 Difference]: Start difference. First operand has 241 places, 335 transitions, 8359 flow. Second operand 7 states and 153 transitions. [2021-03-24 14:43:00,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 371 transitions, 9817 flow [2021-03-24 14:43:01,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 371 transitions, 9567 flow, removed 28 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:01,097 INFO L241 Difference]: Finished difference. Result has 244 places, 335 transitions, 8421 flow [2021-03-24 14:43:01,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=8079, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8421, PETRI_PLACES=244, PETRI_TRANSITIONS=335} [2021-03-24 14:43:01,098 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 221 predicate places. [2021-03-24 14:43:01,098 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 335 transitions, 8421 flow [2021-03-24 14:43:01,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:01,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:01,098 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:01,098 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-24 14:43:01,098 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:01,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:01,098 INFO L82 PathProgramCache]: Analyzing trace with hash 299249975, now seen corresponding path program 10 times [2021-03-24 14:43:01,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:01,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174420965] [2021-03-24 14:43:01,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:01,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:01,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:01,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:01,126 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:01,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:01,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:01,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:01,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:01,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:01,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174420965] [2021-03-24 14:43:01,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:01,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:01,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990308300] [2021-03-24 14:43:01,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:01,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:01,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:01,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:01,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:01,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 335 transitions, 8421 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:01,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:01,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:01,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:01,683 INFO L129 PetriNetUnfolder]: 1057/2352 cut-off events. [2021-03-24 14:43:01,683 INFO L130 PetriNetUnfolder]: For 56329/56359 co-relation queries the response was YES. [2021-03-24 14:43:01,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19018 conditions, 2352 events. 1057/2352 cut-off events. For 56329/56359 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 18699 event pairs, 187 based on Foata normal form. 9/2164 useless extension candidates. Maximal degree in co-relation 18683. Up to 630 conditions per place. [2021-03-24 14:43:01,710 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 248 selfloop transitions, 133 changer transitions 1/389 dead transitions. [2021-03-24 14:43:01,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 389 transitions, 10400 flow [2021-03-24 14:43:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:43:01,711 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:43:01,711 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:43:01,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:43:01,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:01,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:43:01,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:01,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:01,712 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:01,712 INFO L185 Difference]: Start difference. First operand has 244 places, 335 transitions, 8421 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:43:01,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 389 transitions, 10400 flow [2021-03-24 14:43:01,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 389 transitions, 10096 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:01,957 INFO L241 Difference]: Finished difference. Result has 250 places, 357 transitions, 9197 flow [2021-03-24 14:43:01,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=8125, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=9197, PETRI_PLACES=250, PETRI_TRANSITIONS=357} [2021-03-24 14:43:01,957 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 227 predicate places. [2021-03-24 14:43:01,957 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 357 transitions, 9197 flow [2021-03-24 14:43:01,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:01,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:01,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:01,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-24 14:43:01,958 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:01,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:01,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1400307791, now seen corresponding path program 11 times [2021-03-24 14:43:01,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:01,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888177275] [2021-03-24 14:43:01,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:01,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:01,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:01,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:01,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:01,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:01,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:01,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:02,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:02,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:02,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888177275] [2021-03-24 14:43:02,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:02,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:02,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933094636] [2021-03-24 14:43:02,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:02,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:02,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:02,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:02,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:02,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 357 transitions, 9197 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:02,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:02,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:02,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:02,535 INFO L129 PetriNetUnfolder]: 1061/2364 cut-off events. [2021-03-24 14:43:02,535 INFO L130 PetriNetUnfolder]: For 59926/59956 co-relation queries the response was YES. [2021-03-24 14:43:02,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19486 conditions, 2364 events. 1061/2364 cut-off events. For 59926/59956 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 18855 event pairs, 186 based on Foata normal form. 7/2174 useless extension candidates. Maximal degree in co-relation 19149. Up to 631 conditions per place. [2021-03-24 14:43:02,562 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 243 selfloop transitions, 138 changer transitions 0/388 dead transitions. [2021-03-24 14:43:02,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 388 transitions, 10513 flow [2021-03-24 14:43:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:02,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:43:02,563 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:43:02,563 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:43:02,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:43:02,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:02,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:43:02,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:02,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:02,564 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:02,564 INFO L185 Difference]: Start difference. First operand has 250 places, 357 transitions, 9197 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:43:02,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 388 transitions, 10513 flow [2021-03-24 14:43:02,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 388 transitions, 10272 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:02,830 INFO L241 Difference]: Finished difference. Result has 256 places, 365 transitions, 9489 flow [2021-03-24 14:43:02,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=8958, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=9489, PETRI_PLACES=256, PETRI_TRANSITIONS=365} [2021-03-24 14:43:02,831 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 233 predicate places. [2021-03-24 14:43:02,831 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 365 transitions, 9489 flow [2021-03-24 14:43:02,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:02,831 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:02,831 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:02,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-24 14:43:02,831 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:02,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:02,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1036438179, now seen corresponding path program 14 times [2021-03-24 14:43:02,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:02,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815245975] [2021-03-24 14:43:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:02,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:02,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:02,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:02,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:02,844 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:02,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:02,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:02,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:02,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:02,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:02,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:02,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:02,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:02,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:02,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815245975] [2021-03-24 14:43:02,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:02,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:02,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197090767] [2021-03-24 14:43:02,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:02,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:02,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:02,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:02,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:02,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 365 transitions, 9489 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:02,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:02,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:02,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:03,416 INFO L129 PetriNetUnfolder]: 1059/2366 cut-off events. [2021-03-24 14:43:03,416 INFO L130 PetriNetUnfolder]: For 60965/60970 co-relation queries the response was YES. [2021-03-24 14:43:03,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19733 conditions, 2366 events. 1059/2366 cut-off events. For 60965/60970 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 18920 event pairs, 189 based on Foata normal form. 3/2175 useless extension candidates. Maximal degree in co-relation 19389. Up to 1079 conditions per place. [2021-03-24 14:43:03,493 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 220 selfloop transitions, 161 changer transitions 1/389 dead transitions. [2021-03-24 14:43:03,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 389 transitions, 10660 flow [2021-03-24 14:43:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:43:03,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:43:03,494 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:43:03,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:43:03,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:03,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:43:03,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:03,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:03,496 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:03,497 INFO L185 Difference]: Start difference. First operand has 256 places, 365 transitions, 9489 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:43:03,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 389 transitions, 10660 flow [2021-03-24 14:43:03,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 389 transitions, 10409 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:03,814 INFO L241 Difference]: Finished difference. Result has 261 places, 368 transitions, 9635 flow [2021-03-24 14:43:03,814 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9201, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=9635, PETRI_PLACES=261, PETRI_TRANSITIONS=368} [2021-03-24 14:43:03,814 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 238 predicate places. [2021-03-24 14:43:03,814 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 368 transitions, 9635 flow [2021-03-24 14:43:03,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:03,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:03,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:03,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-24 14:43:03,815 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:03,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:03,815 INFO L82 PathProgramCache]: Analyzing trace with hash -755722903, now seen corresponding path program 12 times [2021-03-24 14:43:03,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:03,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993647098] [2021-03-24 14:43:03,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:03,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:03,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:03,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:03,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:03,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:03,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:03,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:03,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:03,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:03,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:03,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:03,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:03,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:03,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993647098] [2021-03-24 14:43:03,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:03,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:03,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578469128] [2021-03-24 14:43:03,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:03,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:03,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:03,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:03,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:03,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 368 transitions, 9635 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:03,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:03,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:03,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:04,386 INFO L129 PetriNetUnfolder]: 1057/2357 cut-off events. [2021-03-24 14:43:04,386 INFO L130 PetriNetUnfolder]: For 61917/61948 co-relation queries the response was YES. [2021-03-24 14:43:04,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19720 conditions, 2357 events. 1057/2357 cut-off events. For 61917/61948 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 18775 event pairs, 159 based on Foata normal form. 7/2361 useless extension candidates. Maximal degree in co-relation 19396. Up to 626 conditions per place. [2021-03-24 14:43:04,414 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 254 selfloop transitions, 135 changer transitions 1/397 dead transitions. [2021-03-24 14:43:04,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 397 transitions, 10919 flow [2021-03-24 14:43:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:43:04,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:43:04,415 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:43:04,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:43:04,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:04,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:43:04,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:04,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:04,416 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:04,416 INFO L185 Difference]: Start difference. First operand has 261 places, 368 transitions, 9635 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:43:04,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 397 transitions, 10919 flow [2021-03-24 14:43:04,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 397 transitions, 10616 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:04,693 INFO L241 Difference]: Finished difference. Result has 265 places, 366 transitions, 9544 flow [2021-03-24 14:43:04,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9302, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=9544, PETRI_PLACES=265, PETRI_TRANSITIONS=366} [2021-03-24 14:43:04,693 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 242 predicate places. [2021-03-24 14:43:04,694 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 366 transitions, 9544 flow [2021-03-24 14:43:04,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:04,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:04,694 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:04,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-24 14:43:04,694 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:04,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:04,694 INFO L82 PathProgramCache]: Analyzing trace with hash 215877249, now seen corresponding path program 15 times [2021-03-24 14:43:04,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:04,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042770494] [2021-03-24 14:43:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:04,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:04,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:04,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:04,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:04,708 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:04,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:04,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:04,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:04,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:04,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:04,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:04,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:04,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:04,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042770494] [2021-03-24 14:43:04,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:04,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:04,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69041964] [2021-03-24 14:43:04,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:04,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:04,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:04,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:04,738 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:04,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 366 transitions, 9544 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:04,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:04,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:04,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:05,322 INFO L129 PetriNetUnfolder]: 1056/2342 cut-off events. [2021-03-24 14:43:05,323 INFO L130 PetriNetUnfolder]: For 61869/61899 co-relation queries the response was YES. [2021-03-24 14:43:05,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19654 conditions, 2342 events. 1056/2342 cut-off events. For 61869/61899 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 18557 event pairs, 189 based on Foata normal form. 7/2346 useless extension candidates. Maximal degree in co-relation 19432. Up to 1075 conditions per place. [2021-03-24 14:43:05,354 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 217 selfloop transitions, 160 changer transitions 0/384 dead transitions. [2021-03-24 14:43:05,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 384 transitions, 10594 flow [2021-03-24 14:43:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:43:05,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:43:05,355 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:43:05,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:43:05,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:05,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:43:05,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:05,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:05,356 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:05,357 INFO L185 Difference]: Start difference. First operand has 265 places, 366 transitions, 9544 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:43:05,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 384 transitions, 10594 flow [2021-03-24 14:43:05,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 384 transitions, 10354 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:05,629 INFO L241 Difference]: Finished difference. Result has 266 places, 365 transitions, 9606 flow [2021-03-24 14:43:05,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9286, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=9606, PETRI_PLACES=266, PETRI_TRANSITIONS=365} [2021-03-24 14:43:05,630 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 243 predicate places. [2021-03-24 14:43:05,630 INFO L480 AbstractCegarLoop]: Abstraction has has 266 places, 365 transitions, 9606 flow [2021-03-24 14:43:05,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:05,630 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:05,630 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:05,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-24 14:43:05,631 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:05,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:05,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1333707439, now seen corresponding path program 13 times [2021-03-24 14:43:05,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:05,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040494384] [2021-03-24 14:43:05,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:05,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:05,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:05,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:05,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:05,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:05,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:05,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:05,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:05,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:05,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:05,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:05,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:05,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:05,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:05,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040494384] [2021-03-24 14:43:05,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:05,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:05,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297246455] [2021-03-24 14:43:05,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:05,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:05,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:05,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:05,682 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:05,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 365 transitions, 9606 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:05,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:05,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:05,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:06,215 INFO L129 PetriNetUnfolder]: 1074/2365 cut-off events. [2021-03-24 14:43:06,215 INFO L130 PetriNetUnfolder]: For 61643/61674 co-relation queries the response was YES. [2021-03-24 14:43:06,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19917 conditions, 2365 events. 1074/2365 cut-off events. For 61643/61674 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 18645 event pairs, 187 based on Foata normal form. 7/2177 useless extension candidates. Maximal degree in co-relation 19610. Up to 634 conditions per place. [2021-03-24 14:43:06,245 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 243 selfloop transitions, 150 changer transitions 0/400 dead transitions. [2021-03-24 14:43:06,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 400 transitions, 11109 flow [2021-03-24 14:43:06,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:06,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:06,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:06,246 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:06,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:06,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:06,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:06,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:06,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:06,247 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:06,247 INFO L185 Difference]: Start difference. First operand has 266 places, 365 transitions, 9606 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:06,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 400 transitions, 11109 flow [2021-03-24 14:43:06,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 400 transitions, 10771 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-24 14:43:06,528 INFO L241 Difference]: Finished difference. Result has 268 places, 376 transitions, 9959 flow [2021-03-24 14:43:06,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9226, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=9959, PETRI_PLACES=268, PETRI_TRANSITIONS=376} [2021-03-24 14:43:06,529 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 245 predicate places. [2021-03-24 14:43:06,529 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 376 transitions, 9959 flow [2021-03-24 14:43:06,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:06,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:06,529 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:06,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-24 14:43:06,530 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:06,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:06,530 INFO L82 PathProgramCache]: Analyzing trace with hash 908993481, now seen corresponding path program 14 times [2021-03-24 14:43:06,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:06,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71178242] [2021-03-24 14:43:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:06,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:06,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:06,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:06,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:06,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:06,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:06,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:06,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:06,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:06,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:06,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71178242] [2021-03-24 14:43:06,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:06,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:06,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577659631] [2021-03-24 14:43:06,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:06,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:06,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:06,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:06,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:06,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 376 transitions, 9959 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:06,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:06,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:06,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:07,151 INFO L129 PetriNetUnfolder]: 1073/2371 cut-off events. [2021-03-24 14:43:07,152 INFO L130 PetriNetUnfolder]: For 62533/62563 co-relation queries the response was YES. [2021-03-24 14:43:07,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20103 conditions, 2371 events. 1073/2371 cut-off events. For 62533/62563 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 18765 event pairs, 158 based on Foata normal form. 7/2183 useless extension candidates. Maximal degree in co-relation 19834. Up to 633 conditions per place. [2021-03-24 14:43:07,181 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 256 selfloop transitions, 143 changer transitions 0/406 dead transitions. [2021-03-24 14:43:07,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 406 transitions, 11282 flow [2021-03-24 14:43:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:43:07,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:43:07,182 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:43:07,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:43:07,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:07,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:43:07,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:07,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:07,183 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:07,183 INFO L185 Difference]: Start difference. First operand has 268 places, 376 transitions, 9959 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:43:07,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 406 transitions, 11282 flow [2021-03-24 14:43:07,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 406 transitions, 11030 flow, removed 13 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:07,473 INFO L241 Difference]: Finished difference. Result has 270 places, 377 transitions, 10019 flow [2021-03-24 14:43:07,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9682, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10019, PETRI_PLACES=270, PETRI_TRANSITIONS=377} [2021-03-24 14:43:07,474 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 247 predicate places. [2021-03-24 14:43:07,474 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 377 transitions, 10019 flow [2021-03-24 14:43:07,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:07,474 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:07,474 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:07,474 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-24 14:43:07,474 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:07,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:07,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1416824329, now seen corresponding path program 15 times [2021-03-24 14:43:07,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:07,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240077637] [2021-03-24 14:43:07,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:07,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:07,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:07,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:07,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:07,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:07,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:07,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:07,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:07,508 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:43:07,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:07,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:07,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:07,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:07,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:07,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240077637] [2021-03-24 14:43:07,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:07,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:07,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058597152] [2021-03-24 14:43:07,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:07,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:07,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:07,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:07,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:07,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 377 transitions, 10019 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:07,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:07,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:07,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:08,175 INFO L129 PetriNetUnfolder]: 1073/2355 cut-off events. [2021-03-24 14:43:08,175 INFO L130 PetriNetUnfolder]: For 62802/62833 co-relation queries the response was YES. [2021-03-24 14:43:08,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19944 conditions, 2355 events. 1073/2355 cut-off events. For 62802/62833 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 18523 event pairs, 186 based on Foata normal form. 9/2169 useless extension candidates. Maximal degree in co-relation 19689. Up to 633 conditions per place. [2021-03-24 14:43:08,211 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 244 selfloop transitions, 152 changer transitions 0/403 dead transitions. [2021-03-24 14:43:08,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 403 transitions, 11277 flow [2021-03-24 14:43:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:08,212 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:08,212 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:08,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:08,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:08,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:08,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:08,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:08,213 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:08,213 INFO L185 Difference]: Start difference. First operand has 270 places, 377 transitions, 10019 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:08,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 403 transitions, 11277 flow [2021-03-24 14:43:08,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 403 transitions, 11073 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:08,530 INFO L241 Difference]: Finished difference. Result has 274 places, 380 transitions, 10256 flow [2021-03-24 14:43:08,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9816, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10256, PETRI_PLACES=274, PETRI_TRANSITIONS=380} [2021-03-24 14:43:08,531 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 251 predicate places. [2021-03-24 14:43:08,531 INFO L480 AbstractCegarLoop]: Abstraction has has 274 places, 380 transitions, 10256 flow [2021-03-24 14:43:08,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:08,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:08,532 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:08,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-24 14:43:08,532 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:08,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:08,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1359393741, now seen corresponding path program 16 times [2021-03-24 14:43:08,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:08,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113375902] [2021-03-24 14:43:08,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:08,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:08,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:08,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:08,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:08,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:08,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:08,556 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:08,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:08,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:08,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:08,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:08,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:08,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:08,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:08,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113375902] [2021-03-24 14:43:08,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:08,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:08,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696416589] [2021-03-24 14:43:08,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:08,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:08,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:08,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:08,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:08,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 380 transitions, 10256 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:08,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:08,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:08,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:09,235 INFO L129 PetriNetUnfolder]: 1071/2339 cut-off events. [2021-03-24 14:43:09,235 INFO L130 PetriNetUnfolder]: For 63613/63643 co-relation queries the response was YES. [2021-03-24 14:43:09,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19956 conditions, 2339 events. 1071/2339 cut-off events. For 63613/63643 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 18297 event pairs, 190 based on Foata normal form. 6/2152 useless extension candidates. Maximal degree in co-relation 19693. Up to 1090 conditions per place. [2021-03-24 14:43:09,266 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 234 selfloop transitions, 159 changer transitions 1/401 dead transitions. [2021-03-24 14:43:09,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 401 transitions, 11394 flow [2021-03-24 14:43:09,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:43:09,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:43:09,267 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:43:09,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:43:09,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:09,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:43:09,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:09,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:09,268 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:09,268 INFO L185 Difference]: Start difference. First operand has 274 places, 380 transitions, 10256 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:43:09,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 401 transitions, 11394 flow [2021-03-24 14:43:09,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 401 transitions, 11122 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:09,512 INFO L241 Difference]: Finished difference. Result has 278 places, 383 transitions, 10416 flow [2021-03-24 14:43:09,513 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9988, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10416, PETRI_PLACES=278, PETRI_TRANSITIONS=383} [2021-03-24 14:43:09,513 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 255 predicate places. [2021-03-24 14:43:09,513 INFO L480 AbstractCegarLoop]: Abstraction has has 278 places, 383 transitions, 10416 flow [2021-03-24 14:43:09,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:09,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:09,513 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:09,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-24 14:43:09,513 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:09,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:09,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1963966359, now seen corresponding path program 16 times [2021-03-24 14:43:09,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:09,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078630359] [2021-03-24 14:43:09,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:09,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:09,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:09,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:09,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:09,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:09,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:09,537 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:09,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:09,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:09,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:09,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:09,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:09,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:09,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:09,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078630359] [2021-03-24 14:43:09,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:09,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:09,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996429473] [2021-03-24 14:43:09,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:09,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:09,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:09,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:09,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:09,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 383 transitions, 10416 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:09,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:09,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:09,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:10,123 INFO L129 PetriNetUnfolder]: 1070/2347 cut-off events. [2021-03-24 14:43:10,123 INFO L130 PetriNetUnfolder]: For 66313/66344 co-relation queries the response was YES. [2021-03-24 14:43:10,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20176 conditions, 2347 events. 1070/2347 cut-off events. For 66313/66344 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 18414 event pairs, 187 based on Foata normal form. 7/2351 useless extension candidates. Maximal degree in co-relation 19955. Up to 631 conditions per place. [2021-03-24 14:43:10,153 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 248 selfloop transitions, 152 changer transitions 0/407 dead transitions. [2021-03-24 14:43:10,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 407 transitions, 11624 flow [2021-03-24 14:43:10,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:43:10,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:43:10,154 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:43:10,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:43:10,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:10,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:43:10,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:10,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:10,155 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:10,155 INFO L185 Difference]: Start difference. First operand has 278 places, 383 transitions, 10416 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:43:10,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 407 transitions, 11624 flow [2021-03-24 14:43:10,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 407 transitions, 11389 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-24 14:43:10,443 INFO L241 Difference]: Finished difference. Result has 279 places, 385 transitions, 10554 flow [2021-03-24 14:43:10,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10152, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10554, PETRI_PLACES=279, PETRI_TRANSITIONS=385} [2021-03-24 14:43:10,443 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 256 predicate places. [2021-03-24 14:43:10,443 INFO L480 AbstractCegarLoop]: Abstraction has has 279 places, 385 transitions, 10554 flow [2021-03-24 14:43:10,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:10,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:10,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:10,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-24 14:43:10,443 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:10,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:10,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1429797359, now seen corresponding path program 17 times [2021-03-24 14:43:10,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:10,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127030796] [2021-03-24 14:43:10,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:10,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:10,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:10,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:10,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:10,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:10,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:10,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:10,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:10,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:10,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:10,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:10,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:10,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:10,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:10,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127030796] [2021-03-24 14:43:10,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:10,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:10,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475703796] [2021-03-24 14:43:10,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:10,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:10,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:10,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:10,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:10,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 385 transitions, 10554 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:10,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:10,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:10,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:11,151 INFO L129 PetriNetUnfolder]: 1069/2333 cut-off events. [2021-03-24 14:43:11,151 INFO L130 PetriNetUnfolder]: For 67418/67448 co-relation queries the response was YES. [2021-03-24 14:43:11,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20157 conditions, 2333 events. 1069/2333 cut-off events. For 67418/67448 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 18216 event pairs, 181 based on Foata normal form. 6/2336 useless extension candidates. Maximal degree in co-relation 19802. Up to 629 conditions per place. [2021-03-24 14:43:11,176 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 251 selfloop transitions, 146 changer transitions 1/405 dead transitions. [2021-03-24 14:43:11,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 405 transitions, 11662 flow [2021-03-24 14:43:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:43:11,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:43:11,177 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:43:11,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:43:11,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:11,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:43:11,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:11,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:11,178 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:11,178 INFO L185 Difference]: Start difference. First operand has 279 places, 385 transitions, 10554 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:43:11,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 405 transitions, 11662 flow [2021-03-24 14:43:11,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 405 transitions, 11364 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-24 14:43:11,445 INFO L241 Difference]: Finished difference. Result has 280 places, 383 transitions, 10475 flow [2021-03-24 14:43:11,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10219, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10475, PETRI_PLACES=280, PETRI_TRANSITIONS=383} [2021-03-24 14:43:11,445 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 257 predicate places. [2021-03-24 14:43:11,445 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 383 transitions, 10475 flow [2021-03-24 14:43:11,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:11,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:11,446 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:11,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-24 14:43:11,446 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:11,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:11,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1278655435, now seen corresponding path program 17 times [2021-03-24 14:43:11,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:11,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514352395] [2021-03-24 14:43:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:11,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:11,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:11,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:11,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:11,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:11,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:11,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:11,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:11,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:11,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:11,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:11,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:11,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:11,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514352395] [2021-03-24 14:43:11,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:11,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:11,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959313907] [2021-03-24 14:43:11,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:11,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:11,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:11,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:11,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:11,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 383 transitions, 10475 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:11,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:11,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:11,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:12,012 INFO L129 PetriNetUnfolder]: 1073/2345 cut-off events. [2021-03-24 14:43:12,013 INFO L130 PetriNetUnfolder]: For 67601/67632 co-relation queries the response was YES. [2021-03-24 14:43:12,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20241 conditions, 2345 events. 1073/2345 cut-off events. For 67601/67632 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 18363 event pairs, 189 based on Foata normal form. 9/2351 useless extension candidates. Maximal degree in co-relation 19886. Up to 1084 conditions per place. [2021-03-24 14:43:12,047 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 238 selfloop transitions, 161 changer transitions 0/406 dead transitions. [2021-03-24 14:43:12,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 406 transitions, 11677 flow [2021-03-24 14:43:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:43:12,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:43:12,048 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:43:12,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:43:12,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:12,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:43:12,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:12,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:12,049 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:12,049 INFO L185 Difference]: Start difference. First operand has 280 places, 383 transitions, 10475 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:43:12,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 406 transitions, 11677 flow [2021-03-24 14:43:12,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 406 transitions, 11369 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-24 14:43:12,341 INFO L241 Difference]: Finished difference. Result has 282 places, 387 transitions, 10588 flow [2021-03-24 14:43:12,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10173, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10588, PETRI_PLACES=282, PETRI_TRANSITIONS=387} [2021-03-24 14:43:12,342 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 259 predicate places. [2021-03-24 14:43:12,342 INFO L480 AbstractCegarLoop]: Abstraction has has 282 places, 387 transitions, 10588 flow [2021-03-24 14:43:12,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:12,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:12,342 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:12,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-24 14:43:12,342 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:12,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:12,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1274425047, now seen corresponding path program 18 times [2021-03-24 14:43:12,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:12,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105193778] [2021-03-24 14:43:12,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:12,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:12,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:12,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:12,356 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:12,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:12,364 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:12,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:12,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:12,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:12,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:12,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:12,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:12,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:12,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105193778] [2021-03-24 14:43:12,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:12,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:12,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831882208] [2021-03-24 14:43:12,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:12,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:12,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:12,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:12,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:12,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 387 transitions, 10588 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:12,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:12,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:12,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:13,004 INFO L129 PetriNetUnfolder]: 1075/2352 cut-off events. [2021-03-24 14:43:13,004 INFO L130 PetriNetUnfolder]: For 68210/68240 co-relation queries the response was YES. [2021-03-24 14:43:13,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20514 conditions, 2352 events. 1075/2352 cut-off events. For 68210/68240 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 18454 event pairs, 188 based on Foata normal form. 7/2356 useless extension candidates. Maximal degree in co-relation 20149. Up to 1086 conditions per place. [2021-03-24 14:43:13,035 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 235 selfloop transitions, 165 changer transitions 0/407 dead transitions. [2021-03-24 14:43:13,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 407 transitions, 11708 flow [2021-03-24 14:43:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:43:13,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:43:13,036 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:43:13,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:43:13,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:13,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:43:13,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:13,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:13,037 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:13,037 INFO L185 Difference]: Start difference. First operand has 282 places, 387 transitions, 10588 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:43:13,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 407 transitions, 11708 flow [2021-03-24 14:43:13,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 407 transitions, 11477 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-24 14:43:13,346 INFO L241 Difference]: Finished difference. Result has 288 places, 390 transitions, 10778 flow [2021-03-24 14:43:13,347 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10368, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10778, PETRI_PLACES=288, PETRI_TRANSITIONS=390} [2021-03-24 14:43:13,347 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 265 predicate places. [2021-03-24 14:43:13,347 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 390 transitions, 10778 flow [2021-03-24 14:43:13,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:13,347 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:13,347 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:13,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-24 14:43:13,347 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:13,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1234651631, now seen corresponding path program 19 times [2021-03-24 14:43:13,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:13,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634801238] [2021-03-24 14:43:13,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:13,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:13,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:13,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:13,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:13,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:13,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:13,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:13,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:13,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:13,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:13,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:13,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634801238] [2021-03-24 14:43:13,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:13,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:13,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063623327] [2021-03-24 14:43:13,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:13,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:13,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:13,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:13,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:13,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 390 transitions, 10778 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:13,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:13,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:13,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:13,961 INFO L129 PetriNetUnfolder]: 1073/2345 cut-off events. [2021-03-24 14:43:13,962 INFO L130 PetriNetUnfolder]: For 69489/69520 co-relation queries the response was YES. [2021-03-24 14:43:13,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20494 conditions, 2345 events. 1073/2345 cut-off events. For 69489/69520 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 18370 event pairs, 189 based on Foata normal form. 7/2349 useless extension candidates. Maximal degree in co-relation 20276. Up to 1086 conditions per place. [2021-03-24 14:43:13,992 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 232 selfloop transitions, 167 changer transitions 0/406 dead transitions. [2021-03-24 14:43:13,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 406 transitions, 11830 flow [2021-03-24 14:43:13,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:13,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:13,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:13,993 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:13,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:13,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:13,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:13,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:13,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:13,993 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:13,993 INFO L185 Difference]: Start difference. First operand has 288 places, 390 transitions, 10778 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:13,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 406 transitions, 11830 flow [2021-03-24 14:43:14,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 406 transitions, 11512 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-24 14:43:14,311 INFO L241 Difference]: Finished difference. Result has 290 places, 390 transitions, 10804 flow [2021-03-24 14:43:14,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10442, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10804, PETRI_PLACES=290, PETRI_TRANSITIONS=390} [2021-03-24 14:43:14,312 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 267 predicate places. [2021-03-24 14:43:14,312 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 390 transitions, 10804 flow [2021-03-24 14:43:14,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:14,312 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:14,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:14,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-24 14:43:14,313 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:14,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:14,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1125130823, now seen corresponding path program 20 times [2021-03-24 14:43:14,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:14,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433485329] [2021-03-24 14:43:14,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:14,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:14,330 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:14,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:14,338 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:14,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:14,346 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:43:14,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:14,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:14,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:14,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433485329] [2021-03-24 14:43:14,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184812055] [2021-03-24 14:43:14,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:14,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:43:14,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:43:14,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:14,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:14,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,414 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:43:14,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:14,438 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-03-24 14:43:14,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:43:14,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:14,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:43:14,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:43:14,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,442 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:14,443 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,444 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:14,446 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:14,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,448 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:43:14,448 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-24 14:43:14,449 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 14:43:14,449 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-03-24 14:43:14,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:43:14,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,474 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-03-24 14:43:14,474 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size [2021-03-24 14:43:14,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:14,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:43:14,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:43:14,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,477 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:14,478 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:14,478 INFO L142 QuantifierPusher]: treesize reduction 21, result has 66.1 percent of original size [2021-03-24 14:43:14,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:14,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:14,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:14,493 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-24 14:43:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:14,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:14,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:14,507 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:43:14,507 INFO L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-03-24 14:43:14,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 14:43:14,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:14,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:14,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:14,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:14,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:14,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:14,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:14,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:14,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:14,513 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:14,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:14,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:14,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:43:14,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 14:43:14,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504917734] [2021-03-24 14:43:14,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 14:43:14,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:14,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 14:43:14,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:43:14,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:14,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 390 transitions, 10804 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:14,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:14,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:14,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:15,289 INFO L129 PetriNetUnfolder]: 1074/2342 cut-off events. [2021-03-24 14:43:15,289 INFO L130 PetriNetUnfolder]: For 69492/69523 co-relation queries the response was YES. [2021-03-24 14:43:15,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20529 conditions, 2342 events. 1074/2342 cut-off events. For 69492/69523 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 18301 event pairs, 189 based on Foata normal form. 7/2346 useless extension candidates. Maximal degree in co-relation 20206. Up to 1088 conditions per place. [2021-03-24 14:43:15,314 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 231 selfloop transitions, 168 changer transitions 0/406 dead transitions. [2021-03-24 14:43:15,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 406 transitions, 11853 flow [2021-03-24 14:43:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:15,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:15,315 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:15,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:15,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:15,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:15,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:15,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:15,316 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:15,316 INFO L185 Difference]: Start difference. First operand has 290 places, 390 transitions, 10804 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:15,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 406 transitions, 11853 flow [2021-03-24 14:43:15,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 406 transitions, 11547 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-24 14:43:15,585 INFO L241 Difference]: Finished difference. Result has 290 places, 390 transitions, 10835 flow [2021-03-24 14:43:15,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10469, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10835, PETRI_PLACES=290, PETRI_TRANSITIONS=390} [2021-03-24 14:43:15,585 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 267 predicate places. [2021-03-24 14:43:15,585 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 390 transitions, 10835 flow [2021-03-24 14:43:15,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:15,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:15,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:15,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:15,786 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:15,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:15,787 INFO L82 PathProgramCache]: Analyzing trace with hash -279905007, now seen corresponding path program 21 times [2021-03-24 14:43:15,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:15,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391437552] [2021-03-24 14:43:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:15,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:15,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:15,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:15,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:15,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:15,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:15,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:15,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:15,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:15,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:15,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:15,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:15,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:15,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:15,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391437552] [2021-03-24 14:43:15,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:15,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:15,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678901779] [2021-03-24 14:43:15,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:15,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:15,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:15,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:15,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:15,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 390 transitions, 10835 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:15,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:15,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:15,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:16,413 INFO L129 PetriNetUnfolder]: 1073/2336 cut-off events. [2021-03-24 14:43:16,413 INFO L130 PetriNetUnfolder]: For 69535/69566 co-relation queries the response was YES. [2021-03-24 14:43:16,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20489 conditions, 2336 events. 1073/2336 cut-off events. For 69535/69566 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 18251 event pairs, 190 based on Foata normal form. 6/2339 useless extension candidates. Maximal degree in co-relation 20168. Up to 1088 conditions per place. [2021-03-24 14:43:16,443 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 238 selfloop transitions, 160 changer transitions 1/406 dead transitions. [2021-03-24 14:43:16,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 406 transitions, 11874 flow [2021-03-24 14:43:16,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:16,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:43:16,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:43:16,444 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:43:16,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:43:16,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:16,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:43:16,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:16,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:16,446 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:16,446 INFO L185 Difference]: Start difference. First operand has 290 places, 390 transitions, 10835 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:43:16,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 406 transitions, 11874 flow [2021-03-24 14:43:16,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 406 transitions, 11556 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:16,740 INFO L241 Difference]: Finished difference. Result has 293 places, 389 transitions, 10799 flow [2021-03-24 14:43:16,741 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10471, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10799, PETRI_PLACES=293, PETRI_TRANSITIONS=389} [2021-03-24 14:43:16,741 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 270 predicate places. [2021-03-24 14:43:16,741 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 389 transitions, 10799 flow [2021-03-24 14:43:16,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:16,741 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:16,741 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:16,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-24 14:43:16,741 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:16,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:16,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1658519965, now seen corresponding path program 22 times [2021-03-24 14:43:16,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:16,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217242838] [2021-03-24 14:43:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:16,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:16,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:16,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:16,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:16,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:16,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:16,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:16,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:16,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:16,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217242838] [2021-03-24 14:43:16,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:16,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:16,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518027906] [2021-03-24 14:43:16,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:16,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:16,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:16,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:16,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:16,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 389 transitions, 10799 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:16,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:16,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:16,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:17,396 INFO L129 PetriNetUnfolder]: 1071/2326 cut-off events. [2021-03-24 14:43:17,396 INFO L130 PetriNetUnfolder]: For 69187/69218 co-relation queries the response was YES. [2021-03-24 14:43:17,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20406 conditions, 2326 events. 1071/2326 cut-off events. For 69187/69218 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 18076 event pairs, 181 based on Foata normal form. 7/2330 useless extension candidates. Maximal degree in co-relation 20110. Up to 1088 conditions per place. [2021-03-24 14:43:17,425 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 225 selfloop transitions, 172 changer transitions 1/405 dead transitions. [2021-03-24 14:43:17,425 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 405 transitions, 11810 flow [2021-03-24 14:43:17,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:43:17,426 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:43:17,426 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:43:17,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:43:17,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:17,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:43:17,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:17,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:17,427 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:17,427 INFO L185 Difference]: Start difference. First operand has 293 places, 389 transitions, 10799 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:43:17,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 405 transitions, 11810 flow [2021-03-24 14:43:17,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 405 transitions, 11486 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 14:43:17,716 INFO L241 Difference]: Finished difference. Result has 294 places, 387 transitions, 10738 flow [2021-03-24 14:43:17,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10430, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10738, PETRI_PLACES=294, PETRI_TRANSITIONS=387} [2021-03-24 14:43:17,717 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 271 predicate places. [2021-03-24 14:43:17,717 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 387 transitions, 10738 flow [2021-03-24 14:43:17,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:17,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:17,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:17,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-24 14:43:17,717 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:17,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:17,718 INFO L82 PathProgramCache]: Analyzing trace with hash 22015143, now seen corresponding path program 23 times [2021-03-24 14:43:17,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:17,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914380882] [2021-03-24 14:43:17,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:17,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:17,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:17,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:17,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:17,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:17,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:17,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:17,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:17,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:17,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:17,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:17,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:17,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:17,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914380882] [2021-03-24 14:43:17,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:17,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:17,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760436113] [2021-03-24 14:43:17,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:17,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:17,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:17,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:17,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:17,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 387 transitions, 10738 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:17,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:17,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:17,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:18,269 INFO L129 PetriNetUnfolder]: 1070/2313 cut-off events. [2021-03-24 14:43:18,269 INFO L130 PetriNetUnfolder]: For 69013/69043 co-relation queries the response was YES. [2021-03-24 14:43:18,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20364 conditions, 2313 events. 1070/2313 cut-off events. For 69013/69043 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 17879 event pairs, 182 based on Foata normal form. 7/2317 useless extension candidates. Maximal degree in co-relation 20183. Up to 1088 conditions per place. [2021-03-24 14:43:18,303 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 223 selfloop transitions, 172 changer transitions 0/402 dead transitions. [2021-03-24 14:43:18,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 402 transitions, 11737 flow [2021-03-24 14:43:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:18,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:43:18,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:43:18,304 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:43:18,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:43:18,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:18,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:43:18,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:18,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:18,305 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:18,305 INFO L185 Difference]: Start difference. First operand has 294 places, 387 transitions, 10738 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:43:18,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 402 transitions, 11737 flow [2021-03-24 14:43:18,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 402 transitions, 11501 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-24 14:43:18,614 INFO L241 Difference]: Finished difference. Result has 293 places, 386 transitions, 10805 flow [2021-03-24 14:43:18,614 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10461, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10805, PETRI_PLACES=293, PETRI_TRANSITIONS=386} [2021-03-24 14:43:18,614 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 270 predicate places. [2021-03-24 14:43:18,615 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 386 transitions, 10805 flow [2021-03-24 14:43:18,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:18,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:18,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:18,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-24 14:43:18,615 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:18,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:18,615 INFO L82 PathProgramCache]: Analyzing trace with hash -2076188353, now seen corresponding path program 24 times [2021-03-24 14:43:18,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:18,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784697874] [2021-03-24 14:43:18,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:18,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:18,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:18,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:18,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:18,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:18,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:18,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:18,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:18,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:18,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:18,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:18,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:18,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784697874] [2021-03-24 14:43:18,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:18,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:18,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087567319] [2021-03-24 14:43:18,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:18,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:18,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:18,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:18,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:18,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 386 transitions, 10805 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:18,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:18,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:18,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:19,256 INFO L129 PetriNetUnfolder]: 1088/2364 cut-off events. [2021-03-24 14:43:19,256 INFO L130 PetriNetUnfolder]: For 72052/72083 co-relation queries the response was YES. [2021-03-24 14:43:19,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20882 conditions, 2364 events. 1088/2364 cut-off events. For 72052/72083 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 18448 event pairs, 170 based on Foata normal form. 7/2368 useless extension candidates. Maximal degree in co-relation 20510. Up to 684 conditions per place. [2021-03-24 14:43:19,285 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 272 selfloop transitions, 157 changer transitions 0/436 dead transitions. [2021-03-24 14:43:19,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 436 transitions, 12733 flow [2021-03-24 14:43:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:19,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:19,286 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:19,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:19,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:19,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:19,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:19,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:19,286 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:19,286 INFO L185 Difference]: Start difference. First operand has 293 places, 386 transitions, 10805 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:19,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 436 transitions, 12733 flow [2021-03-24 14:43:19,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 436 transitions, 12162 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-03-24 14:43:19,588 INFO L241 Difference]: Finished difference. Result has 295 places, 403 transitions, 11163 flow [2021-03-24 14:43:19,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10295, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=11163, PETRI_PLACES=295, PETRI_TRANSITIONS=403} [2021-03-24 14:43:19,589 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 272 predicate places. [2021-03-24 14:43:19,589 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 403 transitions, 11163 flow [2021-03-24 14:43:19,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:19,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:19,589 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:19,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-24 14:43:19,589 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:19,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:19,590 INFO L82 PathProgramCache]: Analyzing trace with hash 807518985, now seen corresponding path program 25 times [2021-03-24 14:43:19,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:19,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695565109] [2021-03-24 14:43:19,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:19,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:19,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:19,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:19,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:19,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:19,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695565109] [2021-03-24 14:43:19,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424906358] [2021-03-24 14:43:19,634 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:19,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:19,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:19,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:43:19,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:19,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,718 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:43:19,719 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:43:19,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:19,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:43:19,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:43:19,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,724 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:19,725 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:19,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,726 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:19,727 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:19,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,729 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:43:19,730 INFO L147 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size 12 [2021-03-24 14:43:19,730 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-24 14:43:19,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:19,744 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:43:19,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:19,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:19,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:19,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:19,756 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-24 14:43:19,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:19,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:19,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:19,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:19,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:19,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:19,761 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:43:19,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:19,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:19,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:19,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:19,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:19,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:19,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:19,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:19,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:19,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:19,768 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:19,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:19,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:19,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:43:19,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 14:43:19,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634452339] [2021-03-24 14:43:19,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 14:43:19,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:19,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 14:43:19,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:43:19,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:19,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 403 transitions, 11163 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:19,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:19,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:19,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:20,468 INFO L129 PetriNetUnfolder]: 1126/2494 cut-off events. [2021-03-24 14:43:20,468 INFO L130 PetriNetUnfolder]: For 73238/73269 co-relation queries the response was YES. [2021-03-24 14:43:20,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21884 conditions, 2494 events. 1126/2494 cut-off events. For 73238/73269 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 19942 event pairs, 151 based on Foata normal form. 10/2503 useless extension candidates. Maximal degree in co-relation 21517. Up to 684 conditions per place. [2021-03-24 14:43:20,500 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 286 selfloop transitions, 163 changer transitions 0/456 dead transitions. [2021-03-24 14:43:20,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 456 transitions, 13080 flow [2021-03-24 14:43:20,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:20,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:20,501 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:20,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:20,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:20,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:20,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:20,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:20,501 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:20,501 INFO L185 Difference]: Start difference. First operand has 295 places, 403 transitions, 11163 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:20,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 456 transitions, 13080 flow [2021-03-24 14:43:20,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 456 transitions, 12866 flow, removed 26 selfloop flow, removed 2 redundant places. [2021-03-24 14:43:20,808 INFO L241 Difference]: Finished difference. Result has 302 places, 413 transitions, 11724 flow [2021-03-24 14:43:20,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10961, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=11724, PETRI_PLACES=302, PETRI_TRANSITIONS=413} [2021-03-24 14:43:20,809 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 279 predicate places. [2021-03-24 14:43:20,809 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 413 transitions, 11724 flow [2021-03-24 14:43:20,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:20,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:20,809 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:21,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-03-24 14:43:21,010 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:21,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:21,010 INFO L82 PathProgramCache]: Analyzing trace with hash 542351237, now seen corresponding path program 18 times [2021-03-24 14:43:21,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:21,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209316254] [2021-03-24 14:43:21,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:21,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:21,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:21,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:21,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:21,028 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:21,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:21,035 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:21,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:21,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:21,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:21,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:21,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:21,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:21,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209316254] [2021-03-24 14:43:21,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:21,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:21,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75059146] [2021-03-24 14:43:21,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:21,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:21,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:21,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:21,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:21,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 413 transitions, 11724 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:21,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:21,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:21,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:21,666 INFO L129 PetriNetUnfolder]: 1122/2496 cut-off events. [2021-03-24 14:43:21,666 INFO L130 PetriNetUnfolder]: For 76410/76441 co-relation queries the response was YES. [2021-03-24 14:43:21,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22039 conditions, 2496 events. 1122/2496 cut-off events. For 76410/76441 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 20075 event pairs, 193 based on Foata normal form. 9/2504 useless extension candidates. Maximal degree in co-relation 21669. Up to 1189 conditions per place. [2021-03-24 14:43:21,698 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 269 selfloop transitions, 170 changer transitions 0/446 dead transitions. [2021-03-24 14:43:21,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 446 transitions, 13244 flow [2021-03-24 14:43:21,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:21,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:43:21,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:43:21,699 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:43:21,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:43:21,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:21,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:43:21,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:21,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:21,700 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:21,700 INFO L185 Difference]: Start difference. First operand has 302 places, 413 transitions, 11724 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:43:21,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 446 transitions, 13244 flow [2021-03-24 14:43:22,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 446 transitions, 12967 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:22,032 INFO L241 Difference]: Finished difference. Result has 307 places, 419 transitions, 11990 flow [2021-03-24 14:43:22,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=11452, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=11990, PETRI_PLACES=307, PETRI_TRANSITIONS=419} [2021-03-24 14:43:22,032 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 284 predicate places. [2021-03-24 14:43:22,033 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 419 transitions, 11990 flow [2021-03-24 14:43:22,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:22,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:22,033 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:22,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-24 14:43:22,033 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:22,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:22,033 INFO L82 PathProgramCache]: Analyzing trace with hash -840982273, now seen corresponding path program 19 times [2021-03-24 14:43:22,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:22,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324765326] [2021-03-24 14:43:22,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:22,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:22,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:22,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:22,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:22,048 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:22,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:22,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:22,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:22,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:22,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:22,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:22,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:43:22,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:22,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:22,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324765326] [2021-03-24 14:43:22,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:22,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:22,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497131127] [2021-03-24 14:43:22,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:22,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:22,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:22,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:22,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:22,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 419 transitions, 11990 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:22,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:22,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:22,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:22,719 INFO L129 PetriNetUnfolder]: 1121/2487 cut-off events. [2021-03-24 14:43:22,719 INFO L130 PetriNetUnfolder]: For 76211/76242 co-relation queries the response was YES. [2021-03-24 14:43:22,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22091 conditions, 2487 events. 1121/2487 cut-off events. For 76211/76242 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 19932 event pairs, 191 based on Foata normal form. 6/2492 useless extension candidates. Maximal degree in co-relation 21719. Up to 1189 conditions per place. [2021-03-24 14:43:22,748 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 266 selfloop transitions, 181 changer transitions 1/455 dead transitions. [2021-03-24 14:43:22,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 455 transitions, 13578 flow [2021-03-24 14:43:22,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:43:22,749 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:43:22,749 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:43:22,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:43:22,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:22,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:43:22,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:22,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:22,750 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:22,750 INFO L185 Difference]: Start difference. First operand has 307 places, 419 transitions, 11990 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:43:22,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 455 transitions, 13578 flow [2021-03-24 14:43:23,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 455 transitions, 13290 flow, removed 29 selfloop flow, removed 2 redundant places. [2021-03-24 14:43:23,059 INFO L241 Difference]: Finished difference. Result has 312 places, 425 transitions, 12271 flow [2021-03-24 14:43:23,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=11669, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12271, PETRI_PLACES=312, PETRI_TRANSITIONS=425} [2021-03-24 14:43:23,060 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 289 predicate places. [2021-03-24 14:43:23,060 INFO L480 AbstractCegarLoop]: Abstraction has has 312 places, 425 transitions, 12271 flow [2021-03-24 14:43:23,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:23,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:23,060 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:23,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-24 14:43:23,060 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:23,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:23,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2007957315, now seen corresponding path program 26 times [2021-03-24 14:43:23,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:23,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787675387] [2021-03-24 14:43:23,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:23,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:23,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:23,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:23,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:23,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:23,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:23,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:43:23,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:23,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:23,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:23,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:23,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:23,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787675387] [2021-03-24 14:43:23,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:23,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:23,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679989717] [2021-03-24 14:43:23,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:23,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:23,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:23,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:23,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:23,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 425 transitions, 12271 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:23,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:23,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:23,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:23,728 INFO L129 PetriNetUnfolder]: 1117/2460 cut-off events. [2021-03-24 14:43:23,729 INFO L130 PetriNetUnfolder]: For 76908/76939 co-relation queries the response was YES. [2021-03-24 14:43:23,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21993 conditions, 2460 events. 1117/2460 cut-off events. For 76908/76939 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 19562 event pairs, 168 based on Foata normal form. 9/2468 useless extension candidates. Maximal degree in co-relation 21620. Up to 684 conditions per place. [2021-03-24 14:43:23,762 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 270 selfloop transitions, 180 changer transitions 0/457 dead transitions. [2021-03-24 14:43:23,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 457 transitions, 13661 flow [2021-03-24 14:43:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 153 transitions. [2021-03-24 14:43:23,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7536945812807881 [2021-03-24 14:43:23,763 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 153 transitions. [2021-03-24 14:43:23,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 153 transitions. [2021-03-24 14:43:23,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:23,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 153 transitions. [2021-03-24 14:43:23,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:23,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:23,763 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:23,764 INFO L185 Difference]: Start difference. First operand has 312 places, 425 transitions, 12271 flow. Second operand 7 states and 153 transitions. [2021-03-24 14:43:23,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 457 transitions, 13661 flow [2021-03-24 14:43:24,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 457 transitions, 13314 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:24,101 INFO L241 Difference]: Finished difference. Result has 314 places, 424 transitions, 12281 flow [2021-03-24 14:43:24,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=11865, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12281, PETRI_PLACES=314, PETRI_TRANSITIONS=424} [2021-03-24 14:43:24,102 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 291 predicate places. [2021-03-24 14:43:24,102 INFO L480 AbstractCegarLoop]: Abstraction has has 314 places, 424 transitions, 12281 flow [2021-03-24 14:43:24,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:24,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:24,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:24,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-24 14:43:24,102 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:24,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:24,102 INFO L82 PathProgramCache]: Analyzing trace with hash -457495101, now seen corresponding path program 20 times [2021-03-24 14:43:24,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:24,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716210776] [2021-03-24 14:43:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:24,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:24,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:24,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:24,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:24,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:24,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:24,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:24,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:24,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:24,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:24,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:24,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:24,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:24,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:24,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716210776] [2021-03-24 14:43:24,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:24,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:24,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239042664] [2021-03-24 14:43:24,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:24,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:24,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:24,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:24,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:24,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 424 transitions, 12281 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:24,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:24,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:24,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:24,866 INFO L129 PetriNetUnfolder]: 1119/2474 cut-off events. [2021-03-24 14:43:24,866 INFO L130 PetriNetUnfolder]: For 77199/77230 co-relation queries the response was YES. [2021-03-24 14:43:24,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21981 conditions, 2474 events. 1119/2474 cut-off events. For 77199/77230 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 19778 event pairs, 193 based on Foata normal form. 7/2480 useless extension candidates. Maximal degree in co-relation 21609. Up to 1179 conditions per place. [2021-03-24 14:43:24,904 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 267 selfloop transitions, 177 changer transitions 0/451 dead transitions. [2021-03-24 14:43:24,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 451 transitions, 13638 flow [2021-03-24 14:43:24,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:24,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:24,905 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:24,905 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:24,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:24,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:24,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:24,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:24,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:24,906 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:24,906 INFO L185 Difference]: Start difference. First operand has 314 places, 424 transitions, 12281 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:24,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 451 transitions, 13638 flow [2021-03-24 14:43:25,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 451 transitions, 13360 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:25,320 INFO L241 Difference]: Finished difference. Result has 319 places, 427 transitions, 12475 flow [2021-03-24 14:43:25,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12005, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12475, PETRI_PLACES=319, PETRI_TRANSITIONS=427} [2021-03-24 14:43:25,321 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 296 predicate places. [2021-03-24 14:43:25,321 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 427 transitions, 12475 flow [2021-03-24 14:43:25,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:25,321 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:25,321 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:25,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-24 14:43:25,322 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:25,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:25,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1345623809, now seen corresponding path program 27 times [2021-03-24 14:43:25,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:25,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339777832] [2021-03-24 14:43:25,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:25,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:25,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:25,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:25,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:25,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:25,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:25,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:25,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:25,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:25,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:25,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:25,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:25,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:25,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:25,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339777832] [2021-03-24 14:43:25,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:25,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:25,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708831480] [2021-03-24 14:43:25,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:25,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:25,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:25,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:25,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:25,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 427 transitions, 12475 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:25,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:25,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:25,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:26,206 INFO L129 PetriNetUnfolder]: 1117/2458 cut-off events. [2021-03-24 14:43:26,206 INFO L130 PetriNetUnfolder]: For 77084/77115 co-relation queries the response was YES. [2021-03-24 14:43:26,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22030 conditions, 2458 events. 1117/2458 cut-off events. For 77084/77115 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 19548 event pairs, 174 based on Foata normal form. 7/2464 useless extension candidates. Maximal degree in co-relation 21658. Up to 684 conditions per place. [2021-03-24 14:43:26,245 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 294 selfloop transitions, 157 changer transitions 1/459 dead transitions. [2021-03-24 14:43:26,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 459 transitions, 13883 flow [2021-03-24 14:43:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:43:26,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:43:26,246 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:43:26,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:43:26,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:26,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:43:26,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:26,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:26,247 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:26,247 INFO L185 Difference]: Start difference. First operand has 319 places, 427 transitions, 12475 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:43:26,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 459 transitions, 13883 flow [2021-03-24 14:43:26,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 459 transitions, 13491 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:26,672 INFO L241 Difference]: Finished difference. Result has 323 places, 428 transitions, 12488 flow [2021-03-24 14:43:26,672 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12083, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12488, PETRI_PLACES=323, PETRI_TRANSITIONS=428} [2021-03-24 14:43:26,672 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 300 predicate places. [2021-03-24 14:43:26,672 INFO L480 AbstractCegarLoop]: Abstraction has has 323 places, 428 transitions, 12488 flow [2021-03-24 14:43:26,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:26,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:26,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:26,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-24 14:43:26,673 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:26,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:26,673 INFO L82 PathProgramCache]: Analyzing trace with hash 897470215, now seen corresponding path program 21 times [2021-03-24 14:43:26,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:26,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76902921] [2021-03-24 14:43:26,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:26,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:26,693 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:26,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:26,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:26,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:26,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:26,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:26,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:26,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:26,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:26,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:26,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76902921] [2021-03-24 14:43:26,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:26,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:26,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418063602] [2021-03-24 14:43:26,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:26,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:26,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:26,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:26,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:26,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 428 transitions, 12488 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:26,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:26,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:26,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:27,353 INFO L129 PetriNetUnfolder]: 1115/2458 cut-off events. [2021-03-24 14:43:27,353 INFO L130 PetriNetUnfolder]: For 78152/78183 co-relation queries the response was YES. [2021-03-24 14:43:27,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22183 conditions, 2458 events. 1115/2458 cut-off events. For 78152/78183 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 19562 event pairs, 189 based on Foata normal form. 7/2464 useless extension candidates. Maximal degree in co-relation 21839. Up to 1175 conditions per place. [2021-03-24 14:43:27,390 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 265 selfloop transitions, 180 changer transitions 0/452 dead transitions. [2021-03-24 14:43:27,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 452 transitions, 13714 flow [2021-03-24 14:43:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:43:27,391 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:43:27,391 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:43:27,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:43:27,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:27,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:43:27,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:27,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:27,392 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:27,392 INFO L185 Difference]: Start difference. First operand has 323 places, 428 transitions, 12488 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:43:27,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 452 transitions, 13714 flow [2021-03-24 14:43:27,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 452 transitions, 13303 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:27,774 INFO L241 Difference]: Finished difference. Result has 326 places, 428 transitions, 12442 flow [2021-03-24 14:43:27,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12077, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12442, PETRI_PLACES=326, PETRI_TRANSITIONS=428} [2021-03-24 14:43:27,774 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 303 predicate places. [2021-03-24 14:43:27,774 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 428 transitions, 12442 flow [2021-03-24 14:43:27,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:27,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:27,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:27,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-24 14:43:27,775 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:27,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:27,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1869077411, now seen corresponding path program 28 times [2021-03-24 14:43:27,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:27,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828218276] [2021-03-24 14:43:27,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:27,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:27,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:27,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:27,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:27,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:27,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:27,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:27,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:27,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:27,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:27,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:27,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:27,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:27,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828218276] [2021-03-24 14:43:27,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:27,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:27,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564345894] [2021-03-24 14:43:27,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:27,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:27,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:27,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:27,817 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:27,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 428 transitions, 12442 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:27,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:27,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:27,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:28,587 INFO L129 PetriNetUnfolder]: 1111/2454 cut-off events. [2021-03-24 14:43:28,587 INFO L130 PetriNetUnfolder]: For 75249/75254 co-relation queries the response was YES. [2021-03-24 14:43:28,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22136 conditions, 2454 events. 1111/2454 cut-off events. For 75249/75254 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 19510 event pairs, 148 based on Foata normal form. 6/2460 useless extension candidates. Maximal degree in co-relation 21824. Up to 684 conditions per place. [2021-03-24 14:43:28,625 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 306 selfloop transitions, 150 changer transitions 1/464 dead transitions. [2021-03-24 14:43:28,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 464 transitions, 13861 flow [2021-03-24 14:43:28,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:43:28,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:43:28,626 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:43:28,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:43:28,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:28,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:43:28,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:28,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:28,627 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:28,627 INFO L185 Difference]: Start difference. First operand has 326 places, 428 transitions, 12442 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:43:28,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 464 transitions, 13861 flow [2021-03-24 14:43:29,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 464 transitions, 13531 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:29,033 INFO L241 Difference]: Finished difference. Result has 330 places, 425 transitions, 12343 flow [2021-03-24 14:43:29,034 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12062, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12343, PETRI_PLACES=330, PETRI_TRANSITIONS=425} [2021-03-24 14:43:29,034 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 307 predicate places. [2021-03-24 14:43:29,034 INFO L480 AbstractCegarLoop]: Abstraction has has 330 places, 425 transitions, 12343 flow [2021-03-24 14:43:29,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:29,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:29,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:29,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-24 14:43:29,034 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:29,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:29,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1926330639, now seen corresponding path program 29 times [2021-03-24 14:43:29,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:29,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442991805] [2021-03-24 14:43:29,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:29,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:29,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:29,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:29,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:29,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442991805] [2021-03-24 14:43:29,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491904665] [2021-03-24 14:43:29,079 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:29,126 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:43:29,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:43:29,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:29,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:29,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,130 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:43:29,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,151 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:43:29,152 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:43:29,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:29,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:43:29,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:43:29,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,154 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:29,154 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:29,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,155 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:29,156 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:29,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,161 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:43:29,161 INFO L147 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size 12 [2021-03-24 14:43:29,162 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-24 14:43:29,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:29,172 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:43:29,173 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:43:29,174 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:43:29,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:29,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,179 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:43:29,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:29,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:29,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:29,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:29,181 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:43:29,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:29,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:29,190 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:29,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:29,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:29,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:43:29,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-24 14:43:29,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767455461] [2021-03-24 14:43:29,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 14:43:29,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:29,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 14:43:29,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-24 14:43:29,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:29,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 425 transitions, 12343 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:29,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:29,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:29,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:29,870 INFO L129 PetriNetUnfolder]: 1149/2538 cut-off events. [2021-03-24 14:43:29,871 INFO L130 PetriNetUnfolder]: For 79324/79329 co-relation queries the response was YES. [2021-03-24 14:43:29,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23092 conditions, 2538 events. 1149/2538 cut-off events. For 79324/79329 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 20318 event pairs, 145 based on Foata normal form. 7/2545 useless extension candidates. Maximal degree in co-relation 22740. Up to 709 conditions per place. [2021-03-24 14:43:29,905 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 303 selfloop transitions, 164 changer transitions 0/474 dead transitions. [2021-03-24 14:43:29,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 474 transitions, 14134 flow [2021-03-24 14:43:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:43:29,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:43:29,906 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:43:29,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:43:29,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:29,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:43:29,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:29,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:29,906 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:29,906 INFO L185 Difference]: Start difference. First operand has 330 places, 425 transitions, 12343 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:43:29,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 474 transitions, 14134 flow [2021-03-24 14:43:30,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 474 transitions, 13827 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-24 14:43:30,293 INFO L241 Difference]: Finished difference. Result has 332 places, 428 transitions, 12586 flow [2021-03-24 14:43:30,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=11918, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12586, PETRI_PLACES=332, PETRI_TRANSITIONS=428} [2021-03-24 14:43:30,293 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 309 predicate places. [2021-03-24 14:43:30,293 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 428 transitions, 12586 flow [2021-03-24 14:43:30,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:30,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:30,294 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:30,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:30,502 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:30,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:30,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1539285479, now seen corresponding path program 30 times [2021-03-24 14:43:30,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:30,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300313973] [2021-03-24 14:43:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:30,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:30,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:30,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:30,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:30,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:30,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:30,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:30,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:30,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:30,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:30,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:30,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:30,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:30,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:30,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300313973] [2021-03-24 14:43:30,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:30,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:30,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813349527] [2021-03-24 14:43:30,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:30,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:30,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:30,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:30,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:30,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 428 transitions, 12586 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:30,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:30,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:30,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:31,234 INFO L129 PetriNetUnfolder]: 1152/2548 cut-off events. [2021-03-24 14:43:31,235 INFO L130 PetriNetUnfolder]: For 82474/82479 co-relation queries the response was YES. [2021-03-24 14:43:31,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23390 conditions, 2548 events. 1152/2548 cut-off events. For 82474/82479 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 20447 event pairs, 182 based on Foata normal form. 4/2552 useless extension candidates. Maximal degree in co-relation 23041. Up to 716 conditions per place. [2021-03-24 14:43:31,270 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 292 selfloop transitions, 163 changer transitions 0/462 dead transitions. [2021-03-24 14:43:31,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 462 transitions, 14043 flow [2021-03-24 14:43:31,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:43:31,270 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:43:31,270 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:43:31,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:43:31,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:31,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:43:31,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:31,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:31,271 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:31,271 INFO L185 Difference]: Start difference. First operand has 332 places, 428 transitions, 12586 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:43:31,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 462 transitions, 14043 flow [2021-03-24 14:43:31,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 462 transitions, 13698 flow, removed 41 selfloop flow, removed 7 redundant places. [2021-03-24 14:43:31,731 INFO L241 Difference]: Finished difference. Result has 331 places, 432 transitions, 12706 flow [2021-03-24 14:43:31,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12266, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12706, PETRI_PLACES=331, PETRI_TRANSITIONS=432} [2021-03-24 14:43:31,731 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 308 predicate places. [2021-03-24 14:43:31,731 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 432 transitions, 12706 flow [2021-03-24 14:43:31,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:31,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:31,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:31,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-24 14:43:31,732 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:31,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:31,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1388143555, now seen corresponding path program 22 times [2021-03-24 14:43:31,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:31,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29244054] [2021-03-24 14:43:31,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:31,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:31,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:31,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:31,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:31,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:31,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:31,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:31,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:31,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:31,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:31,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:31,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:31,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:31,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:31,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29244054] [2021-03-24 14:43:31,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:31,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:31,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503937108] [2021-03-24 14:43:31,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:31,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:31,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:31,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:31,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:31,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 432 transitions, 12706 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:31,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:31,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:31,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:32,430 INFO L129 PetriNetUnfolder]: 1150/2545 cut-off events. [2021-03-24 14:43:32,430 INFO L130 PetriNetUnfolder]: For 77871/77876 co-relation queries the response was YES. [2021-03-24 14:43:32,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22681 conditions, 2545 events. 1150/2545 cut-off events. For 77871/77876 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 20477 event pairs, 205 based on Foata normal form. 4/2549 useless extension candidates. Maximal degree in co-relation 22370. Up to 1250 conditions per place. [2021-03-24 14:43:32,465 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 273 selfloop transitions, 174 changer transitions 1/455 dead transitions. [2021-03-24 14:43:32,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 455 transitions, 13922 flow [2021-03-24 14:43:32,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:32,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:43:32,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:43:32,466 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:43:32,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:43:32,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:32,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:43:32,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:32,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:32,467 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:32,467 INFO L185 Difference]: Start difference. First operand has 331 places, 432 transitions, 12706 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:43:32,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 455 transitions, 13922 flow [2021-03-24 14:43:32,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 455 transitions, 13684 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:32,842 INFO L241 Difference]: Finished difference. Result has 334 places, 431 transitions, 12786 flow [2021-03-24 14:43:32,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12470, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12786, PETRI_PLACES=334, PETRI_TRANSITIONS=431} [2021-03-24 14:43:32,842 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 311 predicate places. [2021-03-24 14:43:32,842 INFO L480 AbstractCegarLoop]: Abstraction has has 334 places, 431 transitions, 12786 flow [2021-03-24 14:43:32,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:32,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:32,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:32,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-24 14:43:32,842 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:32,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:32,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1458547173, now seen corresponding path program 31 times [2021-03-24 14:43:32,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:32,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421982618] [2021-03-24 14:43:32,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:32,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:32,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:32,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:32,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:32,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:32,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:32,869 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:32,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:32,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:32,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:32,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:32,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:32,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:32,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:32,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421982618] [2021-03-24 14:43:32,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:32,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:32,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163664223] [2021-03-24 14:43:32,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:32,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:32,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:32,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:32,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:32,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 431 transitions, 12786 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:32,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:32,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:32,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:33,607 INFO L129 PetriNetUnfolder]: 1146/2523 cut-off events. [2021-03-24 14:43:33,607 INFO L130 PetriNetUnfolder]: For 77435/77440 co-relation queries the response was YES. [2021-03-24 14:43:33,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22439 conditions, 2523 events. 1146/2523 cut-off events. For 77435/77440 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 20133 event pairs, 185 based on Foata normal form. 6/2529 useless extension candidates. Maximal degree in co-relation 22167. Up to 707 conditions per place. [2021-03-24 14:43:33,640 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 296 selfloop transitions, 155 changer transitions 1/459 dead transitions. [2021-03-24 14:43:33,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 459 transitions, 14062 flow [2021-03-24 14:43:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:43:33,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:43:33,641 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:43:33,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:43:33,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:33,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:43:33,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:33,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:33,642 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:33,642 INFO L185 Difference]: Start difference. First operand has 334 places, 431 transitions, 12786 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:43:33,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 459 transitions, 14062 flow [2021-03-24 14:43:33,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 459 transitions, 13664 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 14:43:33,998 INFO L241 Difference]: Finished difference. Result has 336 places, 428 transitions, 12608 flow [2021-03-24 14:43:33,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12328, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12608, PETRI_PLACES=336, PETRI_TRANSITIONS=428} [2021-03-24 14:43:33,999 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 313 predicate places. [2021-03-24 14:43:33,999 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 428 transitions, 12608 flow [2021-03-24 14:43:33,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:33,999 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:33,999 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:33,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-24 14:43:33,999 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:34,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:34,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1402735829, now seen corresponding path program 23 times [2021-03-24 14:43:34,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:34,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470191480] [2021-03-24 14:43:34,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:34,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:34,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:34,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:34,013 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:34,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:34,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:34,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:34,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:34,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:34,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:34,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:34,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:34,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:34,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470191480] [2021-03-24 14:43:34,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:34,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:34,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122791141] [2021-03-24 14:43:34,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:34,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:34,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:34,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:34,040 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:34,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 428 transitions, 12608 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:34,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:34,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:34,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:34,702 INFO L129 PetriNetUnfolder]: 1145/2518 cut-off events. [2021-03-24 14:43:34,702 INFO L130 PetriNetUnfolder]: For 76459/76464 co-relation queries the response was YES. [2021-03-24 14:43:34,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22337 conditions, 2518 events. 1145/2518 cut-off events. For 76459/76464 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 20045 event pairs, 202 based on Foata normal form. 3/2521 useless extension candidates. Maximal degree in co-relation 22063. Up to 1240 conditions per place. [2021-03-24 14:43:34,736 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 266 selfloop transitions, 177 changer transitions 1/451 dead transitions. [2021-03-24 14:43:34,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 451 transitions, 13779 flow [2021-03-24 14:43:34,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:43:34,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:43:34,736 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:43:34,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:43:34,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:34,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:43:34,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:34,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:34,737 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:34,737 INFO L185 Difference]: Start difference. First operand has 336 places, 428 transitions, 12608 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:43:34,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 451 transitions, 13779 flow [2021-03-24 14:43:35,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 451 transitions, 13582 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:35,077 INFO L241 Difference]: Finished difference. Result has 339 places, 426 transitions, 12686 flow [2021-03-24 14:43:35,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12362, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12686, PETRI_PLACES=339, PETRI_TRANSITIONS=426} [2021-03-24 14:43:35,077 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 316 predicate places. [2021-03-24 14:43:35,077 INFO L480 AbstractCegarLoop]: Abstraction has has 339 places, 426 transitions, 12686 flow [2021-03-24 14:43:35,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:35,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:35,077 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:35,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-24 14:43:35,078 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:35,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:35,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1068050755, now seen corresponding path program 32 times [2021-03-24 14:43:35,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:35,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619706256] [2021-03-24 14:43:35,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:35,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:35,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:35,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:35,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:35,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:35,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:35,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:35,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:35,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:35,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:35,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:35,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:35,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:35,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619706256] [2021-03-24 14:43:35,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:35,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:35,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626728538] [2021-03-24 14:43:35,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:35,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:35,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:35,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:35,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:35,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 426 transitions, 12686 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:35,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:35,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:35,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:35,770 INFO L129 PetriNetUnfolder]: 1144/2509 cut-off events. [2021-03-24 14:43:35,771 INFO L130 PetriNetUnfolder]: For 78035/78040 co-relation queries the response was YES. [2021-03-24 14:43:35,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22380 conditions, 2509 events. 1144/2509 cut-off events. For 78035/78040 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 19895 event pairs, 157 based on Foata normal form. 4/2513 useless extension candidates. Maximal degree in co-relation 22152. Up to 702 conditions per place. [2021-03-24 14:43:35,812 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 302 selfloop transitions, 152 changer transitions 0/461 dead transitions. [2021-03-24 14:43:35,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 461 transitions, 14079 flow [2021-03-24 14:43:35,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:43:35,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:43:35,813 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:43:35,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:43:35,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:35,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:43:35,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:35,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:35,814 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:35,814 INFO L185 Difference]: Start difference. First operand has 339 places, 426 transitions, 12686 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:43:35,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 461 transitions, 14079 flow [2021-03-24 14:43:36,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 461 transitions, 13715 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-24 14:43:36,180 INFO L241 Difference]: Finished difference. Result has 337 places, 425 transitions, 12596 flow [2021-03-24 14:43:36,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12292, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12596, PETRI_PLACES=337, PETRI_TRANSITIONS=425} [2021-03-24 14:43:36,181 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 314 predicate places. [2021-03-24 14:43:36,181 INFO L480 AbstractCegarLoop]: Abstraction has has 337 places, 425 transitions, 12596 flow [2021-03-24 14:43:36,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:36,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:36,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:36,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-24 14:43:36,181 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:36,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:36,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1552008733, now seen corresponding path program 33 times [2021-03-24 14:43:36,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:36,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4784888] [2021-03-24 14:43:36,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:36,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:36,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:36,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:36,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:36,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:36,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:36,202 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:36,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:43:36,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:36,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:36,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:36,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:36,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:36,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4784888] [2021-03-24 14:43:36,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:36,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:36,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265881857] [2021-03-24 14:43:36,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:36,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:36,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:36,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:36,234 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:36,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 425 transitions, 12596 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:36,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:36,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:36,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:36,847 INFO L129 PetriNetUnfolder]: 1144/2488 cut-off events. [2021-03-24 14:43:36,848 INFO L130 PetriNetUnfolder]: For 77963/77968 co-relation queries the response was YES. [2021-03-24 14:43:36,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22302 conditions, 2488 events. 1144/2488 cut-off events. For 77963/77968 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 19578 event pairs, 183 based on Foata normal form. 6/2494 useless extension candidates. Maximal degree in co-relation 22032. Up to 700 conditions per place. [2021-03-24 14:43:36,881 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 286 selfloop transitions, 165 changer transitions 0/458 dead transitions. [2021-03-24 14:43:36,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 458 transitions, 14049 flow [2021-03-24 14:43:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:36,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:36,882 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:36,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:36,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:36,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:36,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:36,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:36,883 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:36,883 INFO L185 Difference]: Start difference. First operand has 337 places, 425 transitions, 12596 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:36,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 458 transitions, 14049 flow [2021-03-24 14:43:37,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 458 transitions, 13735 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-24 14:43:37,292 INFO L241 Difference]: Finished difference. Result has 340 places, 428 transitions, 12772 flow [2021-03-24 14:43:37,292 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12286, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12772, PETRI_PLACES=340, PETRI_TRANSITIONS=428} [2021-03-24 14:43:37,292 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 317 predicate places. [2021-03-24 14:43:37,292 INFO L480 AbstractCegarLoop]: Abstraction has has 340 places, 428 transitions, 12772 flow [2021-03-24 14:43:37,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:37,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:37,292 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:37,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-24 14:43:37,293 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:37,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:37,293 INFO L82 PathProgramCache]: Analyzing trace with hash 2053122783, now seen corresponding path program 24 times [2021-03-24 14:43:37,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:37,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978471898] [2021-03-24 14:43:37,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:37,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:37,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:37,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:37,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:37,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:37,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:37,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:37,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:37,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:37,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:37,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:37,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:37,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:37,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978471898] [2021-03-24 14:43:37,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:37,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:37,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013823598] [2021-03-24 14:43:37,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:37,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:37,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:37,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:37,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:37,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 428 transitions, 12772 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:37,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:37,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:37,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:37,969 INFO L129 PetriNetUnfolder]: 1145/2496 cut-off events. [2021-03-24 14:43:37,969 INFO L130 PetriNetUnfolder]: For 77556/77561 co-relation queries the response was YES. [2021-03-24 14:43:37,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22330 conditions, 2496 events. 1145/2496 cut-off events. For 77556/77561 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 19705 event pairs, 201 based on Foata normal form. 4/2500 useless extension candidates. Maximal degree in co-relation 22109. Up to 1235 conditions per place. [2021-03-24 14:43:38,006 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 269 selfloop transitions, 176 changer transitions 0/452 dead transitions. [2021-03-24 14:43:38,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 452 transitions, 13985 flow [2021-03-24 14:43:38,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:38,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:43:38,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:43:38,007 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:43:38,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:43:38,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:38,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:43:38,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:38,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:38,008 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:38,008 INFO L185 Difference]: Start difference. First operand has 340 places, 428 transitions, 12772 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:43:38,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 452 transitions, 13985 flow [2021-03-24 14:43:38,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 452 transitions, 13592 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-24 14:43:38,346 INFO L241 Difference]: Finished difference. Result has 339 places, 430 transitions, 12766 flow [2021-03-24 14:43:38,347 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12345, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12766, PETRI_PLACES=339, PETRI_TRANSITIONS=430} [2021-03-24 14:43:38,347 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 316 predicate places. [2021-03-24 14:43:38,347 INFO L480 AbstractCegarLoop]: Abstraction has has 339 places, 430 transitions, 12766 flow [2021-03-24 14:43:38,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:38,347 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:38,347 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:38,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-24 14:43:38,347 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:38,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:38,348 INFO L82 PathProgramCache]: Analyzing trace with hash -202601335, now seen corresponding path program 34 times [2021-03-24 14:43:38,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:38,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253419925] [2021-03-24 14:43:38,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:38,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:38,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:38,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:38,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:38,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:38,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:38,376 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:38,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:38,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:38,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:38,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:38,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:38,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:38,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:38,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253419925] [2021-03-24 14:43:38,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:38,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:38,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20553601] [2021-03-24 14:43:38,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:38,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:38,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:38,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:38,399 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:38,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 430 transitions, 12766 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:38,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:38,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:38,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:38,999 INFO L129 PetriNetUnfolder]: 1144/2475 cut-off events. [2021-03-24 14:43:39,000 INFO L130 PetriNetUnfolder]: For 77743/77774 co-relation queries the response was YES. [2021-03-24 14:43:39,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22397 conditions, 2475 events. 1144/2475 cut-off events. For 77743/77774 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 19307 event pairs, 181 based on Foata normal form. 7/2481 useless extension candidates. Maximal degree in co-relation 22169. Up to 697 conditions per place. [2021-03-24 14:43:39,031 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 292 selfloop transitions, 162 changer transitions 0/461 dead transitions. [2021-03-24 14:43:39,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 461 transitions, 14159 flow [2021-03-24 14:43:39,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:39,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:43:39,032 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:43:39,032 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:43:39,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:43:39,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:39,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:43:39,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:39,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:39,033 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:39,033 INFO L185 Difference]: Start difference. First operand has 339 places, 430 transitions, 12766 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:43:39,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 461 transitions, 14159 flow [2021-03-24 14:43:39,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 461 transitions, 13882 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-24 14:43:39,374 INFO L241 Difference]: Finished difference. Result has 339 places, 432 transitions, 12894 flow [2021-03-24 14:43:39,374 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12458, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12894, PETRI_PLACES=339, PETRI_TRANSITIONS=432} [2021-03-24 14:43:39,374 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 316 predicate places. [2021-03-24 14:43:39,374 INFO L480 AbstractCegarLoop]: Abstraction has has 339 places, 432 transitions, 12894 flow [2021-03-24 14:43:39,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:39,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:39,375 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:39,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-24 14:43:39,375 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:39,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:39,375 INFO L82 PathProgramCache]: Analyzing trace with hash -542286747, now seen corresponding path program 25 times [2021-03-24 14:43:39,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:39,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045233042] [2021-03-24 14:43:39,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:39,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:39,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:39,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:39,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:39,394 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:39,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:39,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:39,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:39,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:39,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:39,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:39,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:39,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:39,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045233042] [2021-03-24 14:43:39,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:39,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:39,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22043011] [2021-03-24 14:43:39,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:39,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:39,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:39,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:39,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:39,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 432 transitions, 12894 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:39,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:39,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:39,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:40,070 INFO L129 PetriNetUnfolder]: 1142/2477 cut-off events. [2021-03-24 14:43:40,070 INFO L130 PetriNetUnfolder]: For 78754/78759 co-relation queries the response was YES. [2021-03-24 14:43:40,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22356 conditions, 2477 events. 1142/2477 cut-off events. For 78754/78759 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 19415 event pairs, 200 based on Foata normal form. 4/2481 useless extension candidates. Maximal degree in co-relation 22109. Up to 1232 conditions per place. [2021-03-24 14:43:40,099 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 273 selfloop transitions, 171 changer transitions 1/452 dead transitions. [2021-03-24 14:43:40,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 452 transitions, 14022 flow [2021-03-24 14:43:40,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:43:40,100 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:43:40,100 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:43:40,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:43:40,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:40,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:43:40,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:40,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:40,101 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:40,101 INFO L185 Difference]: Start difference. First operand has 339 places, 432 transitions, 12894 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:43:40,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 452 transitions, 14022 flow [2021-03-24 14:43:40,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 452 transitions, 13609 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-24 14:43:40,411 INFO L241 Difference]: Finished difference. Result has 339 places, 429 transitions, 12721 flow [2021-03-24 14:43:40,411 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12409, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12721, PETRI_PLACES=339, PETRI_TRANSITIONS=429} [2021-03-24 14:43:40,411 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 316 predicate places. [2021-03-24 14:43:40,411 INFO L480 AbstractCegarLoop]: Abstraction has has 339 places, 429 transitions, 12721 flow [2021-03-24 14:43:40,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:40,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:40,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:40,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-24 14:43:40,412 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:40,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:40,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1395610055, now seen corresponding path program 26 times [2021-03-24 14:43:40,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:40,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725638536] [2021-03-24 14:43:40,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:40,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:40,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:40,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:40,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:40,435 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:43:40,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:43:40,442 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:43:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:40,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:43:40,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:40,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:40,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:40,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725638536] [2021-03-24 14:43:40,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:40,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:40,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341427273] [2021-03-24 14:43:40,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:40,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:40,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:40,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:40,470 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:40,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 429 transitions, 12721 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:40,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:40,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:40,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:41,054 INFO L129 PetriNetUnfolder]: 1141/2464 cut-off events. [2021-03-24 14:43:41,054 INFO L130 PetriNetUnfolder]: For 77747/77778 co-relation queries the response was YES. [2021-03-24 14:43:41,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22226 conditions, 2464 events. 1141/2464 cut-off events. For 77747/77778 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 19187 event pairs, 201 based on Foata normal form. 7/2470 useless extension candidates. Maximal degree in co-relation 22018. Up to 1232 conditions per place. [2021-03-24 14:43:41,088 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 267 selfloop transitions, 176 changer transitions 0/450 dead transitions. [2021-03-24 14:43:41,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 450 transitions, 13914 flow [2021-03-24 14:43:41,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:41,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:41,089 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:41,089 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:41,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:41,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:41,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:41,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:41,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:41,090 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:41,090 INFO L185 Difference]: Start difference. First operand has 339 places, 429 transitions, 12721 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:41,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 450 transitions, 13914 flow [2021-03-24 14:43:41,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 450 transitions, 13552 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-24 14:43:41,417 INFO L241 Difference]: Finished difference. Result has 337 places, 429 transitions, 12716 flow [2021-03-24 14:43:41,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12333, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12716, PETRI_PLACES=337, PETRI_TRANSITIONS=429} [2021-03-24 14:43:41,418 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 314 predicate places. [2021-03-24 14:43:41,418 INFO L480 AbstractCegarLoop]: Abstraction has has 337 places, 429 transitions, 12716 flow [2021-03-24 14:43:41,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:41,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:41,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:41,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-24 14:43:41,418 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:41,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:41,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1690034621, now seen corresponding path program 27 times [2021-03-24 14:43:41,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:41,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29244361] [2021-03-24 14:43:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:41,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:41,441 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-24 14:43:41,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:41,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:41,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:41,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:41,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29244361] [2021-03-24 14:43:41,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165706422] [2021-03-24 14:43:41,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:41,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:43:41,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:43:41,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:41,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:41,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,497 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:43:41,497 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:43:41,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:41,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:41,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:41,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:43:41,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:43:41,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:41,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:43:41,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:43:41,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,511 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:41,511 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:41,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,512 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:41,513 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:41,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,516 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:43:41,517 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:43:41,517 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:43:41,531 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:43:41,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:41,542 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:43:41,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:41,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:41,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:41,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:41,553 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-24 14:43:41,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:41,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:41,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:41,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:41,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,567 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:43:41,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:41,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:41,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:41,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:41,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:41,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:41,580 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:41,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:41,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:41,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:43:41,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 14:43:41,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668215459] [2021-03-24 14:43:41,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 14:43:41,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:41,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 14:43:41,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:43:41,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:41,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 429 transitions, 12716 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:41,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:41,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:41,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:42,418 INFO L129 PetriNetUnfolder]: 1343/3017 cut-off events. [2021-03-24 14:43:42,418 INFO L130 PetriNetUnfolder]: For 86742/86773 co-relation queries the response was YES. [2021-03-24 14:43:42,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25723 conditions, 3017 events. 1343/3017 cut-off events. For 86742/86773 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 25320 event pairs, 109 based on Foata normal form. 2/3018 useless extension candidates. Maximal degree in co-relation 25354. Up to 833 conditions per place. [2021-03-24 14:43:42,456 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 309 selfloop transitions, 216 changer transitions 5/537 dead transitions. [2021-03-24 14:43:42,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 537 transitions, 16088 flow [2021-03-24 14:43:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 14:43:42,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 14:43:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 219 transitions. [2021-03-24 14:43:42,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7551724137931034 [2021-03-24 14:43:42,457 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 219 transitions. [2021-03-24 14:43:42,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 219 transitions. [2021-03-24 14:43:42,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:42,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 219 transitions. [2021-03-24 14:43:42,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.9) internal successors, (219), 10 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:42,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:42,458 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:42,458 INFO L185 Difference]: Start difference. First operand has 337 places, 429 transitions, 12716 flow. Second operand 10 states and 219 transitions. [2021-03-24 14:43:42,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 537 transitions, 16088 flow [2021-03-24 14:43:42,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 537 transitions, 15685 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:42,866 INFO L241 Difference]: Finished difference. Result has 348 places, 471 transitions, 14078 flow [2021-03-24 14:43:42,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=12383, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=14078, PETRI_PLACES=348, PETRI_TRANSITIONS=471} [2021-03-24 14:43:42,866 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 325 predicate places. [2021-03-24 14:43:42,866 INFO L480 AbstractCegarLoop]: Abstraction has has 348 places, 471 transitions, 14078 flow [2021-03-24 14:43:42,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:42,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:42,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:43,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:43,067 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:43,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:43,068 INFO L82 PathProgramCache]: Analyzing trace with hash -759583217, now seen corresponding path program 28 times [2021-03-24 14:43:43,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:43,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414260891] [2021-03-24 14:43:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:43,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:43,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:43,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:43,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:43,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:43,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:43,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:43,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:43,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:43,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:43,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:43,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:43,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:43,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414260891] [2021-03-24 14:43:43,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:43,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:43,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194624763] [2021-03-24 14:43:43,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:43,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:43,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:43,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:43,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:43,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 471 transitions, 14078 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:43,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:43,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:43,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:43,846 INFO L129 PetriNetUnfolder]: 1342/3009 cut-off events. [2021-03-24 14:43:43,847 INFO L130 PetriNetUnfolder]: For 91148/91167 co-relation queries the response was YES. [2021-03-24 14:43:43,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26558 conditions, 3009 events. 1342/3009 cut-off events. For 91148/91167 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 25215 event pairs, 298 based on Foata normal form. 2/3011 useless extension candidates. Maximal degree in co-relation 26154. Up to 1654 conditions per place. [2021-03-24 14:43:43,889 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 334 selfloop transitions, 166 changer transitions 1/508 dead transitions. [2021-03-24 14:43:43,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 508 transitions, 15714 flow [2021-03-24 14:43:43,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:43:43,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:43:43,890 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:43:43,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:43:43,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:43,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:43:43,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:43,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:43,891 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:43,891 INFO L185 Difference]: Start difference. First operand has 348 places, 471 transitions, 14078 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:43:43,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 508 transitions, 15714 flow [2021-03-24 14:43:44,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 508 transitions, 15231 flow, removed 88 selfloop flow, removed 6 redundant places. [2021-03-24 14:43:44,327 INFO L241 Difference]: Finished difference. Result has 350 places, 484 transitions, 14355 flow [2021-03-24 14:43:44,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=13609, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=14355, PETRI_PLACES=350, PETRI_TRANSITIONS=484} [2021-03-24 14:43:44,328 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 327 predicate places. [2021-03-24 14:43:44,328 INFO L480 AbstractCegarLoop]: Abstraction has has 350 places, 484 transitions, 14355 flow [2021-03-24 14:43:44,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:44,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:44,328 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:44,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-24 14:43:44,328 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:44,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:44,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1884880457, now seen corresponding path program 35 times [2021-03-24 14:43:44,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:44,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766583871] [2021-03-24 14:43:44,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:44,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:44,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:44,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:44,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:44,371 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-03-24 14:43:44,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:43:44,375 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:43:44,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:44,382 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:43:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:44,391 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:43:44,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:44,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:44,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:44,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766583871] [2021-03-24 14:43:44,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:44,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:44,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776075246] [2021-03-24 14:43:44,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:44,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:44,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:44,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:44,400 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:43:44,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 484 transitions, 14355 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:44,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:44,400 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:43:44,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:45,211 INFO L129 PetriNetUnfolder]: 1364/3076 cut-off events. [2021-03-24 14:43:45,211 INFO L130 PetriNetUnfolder]: For 90902/90907 co-relation queries the response was YES. [2021-03-24 14:43:45,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26969 conditions, 3076 events. 1364/3076 cut-off events. For 90902/90907 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 26018 event pairs, 278 based on Foata normal form. 4/3080 useless extension candidates. Maximal degree in co-relation 26553. Up to 1631 conditions per place. [2021-03-24 14:43:45,254 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 379 selfloop transitions, 147 changer transitions 0/532 dead transitions. [2021-03-24 14:43:45,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 532 transitions, 16207 flow [2021-03-24 14:43:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions. [2021-03-24 14:43:45,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6847290640394089 [2021-03-24 14:43:45,255 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 139 transitions. [2021-03-24 14:43:45,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 139 transitions. [2021-03-24 14:43:45,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:45,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 139 transitions. [2021-03-24 14:43:45,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:45,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:45,256 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:45,256 INFO L185 Difference]: Start difference. First operand has 350 places, 484 transitions, 14355 flow. Second operand 7 states and 139 transitions. [2021-03-24 14:43:45,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 532 transitions, 16207 flow [2021-03-24 14:43:45,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 532 transitions, 15914 flow, removed 33 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:45,753 INFO L241 Difference]: Finished difference. Result has 355 places, 491 transitions, 14560 flow [2021-03-24 14:43:45,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=14080, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=14560, PETRI_PLACES=355, PETRI_TRANSITIONS=491} [2021-03-24 14:43:45,754 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 332 predicate places. [2021-03-24 14:43:45,754 INFO L480 AbstractCegarLoop]: Abstraction has has 355 places, 491 transitions, 14560 flow [2021-03-24 14:43:45,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:45,754 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:45,754 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:45,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-24 14:43:45,754 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:45,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:45,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1964862455, now seen corresponding path program 29 times [2021-03-24 14:43:45,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:45,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136710498] [2021-03-24 14:43:45,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:45,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:45,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:45,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:45,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:45,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136710498] [2021-03-24 14:43:45,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324725241] [2021-03-24 14:43:45,799 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:45,825 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:43:45,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:43:45,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:45,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:45,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,832 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:43:45,833 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:43:45,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,843 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:43:45,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,846 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 14:43:45,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:43:45,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:45,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:43:45,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:43:45,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,850 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:45,851 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:45,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,855 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:43:45,856 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:43:45,856 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-24 14:43:45,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:45,866 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-03-24 14:43:45,866 INFO L147 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size 9 [2021-03-24 14:43:45,867 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:43:45,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:45,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:45,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,872 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:43:45,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:45,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:45,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:45,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:45,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:45,884 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:45,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:45,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:45,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:43:45,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 14:43:45,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96797877] [2021-03-24 14:43:45,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 14:43:45,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:45,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 14:43:45,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:43:45,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:45,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 491 transitions, 14560 flow. Second operand has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:45,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:45,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:45,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:46,808 INFO L129 PetriNetUnfolder]: 1448/3250 cut-off events. [2021-03-24 14:43:46,808 INFO L130 PetriNetUnfolder]: For 97249/97268 co-relation queries the response was YES. [2021-03-24 14:43:46,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28697 conditions, 3250 events. 1448/3250 cut-off events. For 97249/97268 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 27676 event pairs, 232 based on Foata normal form. 9/3259 useless extension candidates. Maximal degree in co-relation 28283. Up to 1331 conditions per place. [2021-03-24 14:43:46,858 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 400 selfloop transitions, 149 changer transitions 3/559 dead transitions. [2021-03-24 14:43:46,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 559 transitions, 17101 flow [2021-03-24 14:43:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:43:46,859 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:43:46,859 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:43:46,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:43:46,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:46,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:43:46,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:46,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:46,860 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:46,860 INFO L185 Difference]: Start difference. First operand has 355 places, 491 transitions, 14560 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:43:46,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 559 transitions, 17101 flow [2021-03-24 14:43:47,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 559 transitions, 16800 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:47,362 INFO L241 Difference]: Finished difference. Result has 362 places, 509 transitions, 15271 flow [2021-03-24 14:43:47,362 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=14259, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=15271, PETRI_PLACES=362, PETRI_TRANSITIONS=509} [2021-03-24 14:43:47,363 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 339 predicate places. [2021-03-24 14:43:47,363 INFO L480 AbstractCegarLoop]: Abstraction has has 362 places, 509 transitions, 15271 flow [2021-03-24 14:43:47,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:47,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:47,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:47,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-03-24 14:43:47,564 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:47,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:47,564 INFO L82 PathProgramCache]: Analyzing trace with hash 884430567, now seen corresponding path program 30 times [2021-03-24 14:43:47,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:47,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689102758] [2021-03-24 14:43:47,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:47,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:47,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:47,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:47,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:47,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:47,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689102758] [2021-03-24 14:43:47,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492718997] [2021-03-24 14:43:47,609 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:47,640 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:43:47,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:43:47,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:47,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:47,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,648 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:43:47,648 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:43:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:47,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:47,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:47,656 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:43:47,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:47,660 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 14:43:47,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:43:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:43:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:43:47,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,664 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:47,665 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:47,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,666 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:43:47,667 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:43:47,667 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-24 14:43:47,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:47,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:47,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:47,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:47,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:47,679 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:43:47,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:43:47,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:47,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:43:47,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:43:47,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,683 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:47,683 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:47,684 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-03-24 14:43:47,685 INFO L147 QuantifierPusher]: treesize reduction 2, result has 71.4 percent of original size 5 [2021-03-24 14:43:47,685 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:43:47,686 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:43:47,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:47,695 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:43:47,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:47,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:47,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:47,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:47,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:47,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:47,700 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:47,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:47,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:47,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:43:47,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2021-03-24 14:43:47,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499138356] [2021-03-24 14:43:47,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:47,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:47,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:47,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:43:47,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:47,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 509 transitions, 15271 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:47,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:47,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:47,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:48,521 INFO L129 PetriNetUnfolder]: 1444/3227 cut-off events. [2021-03-24 14:43:48,522 INFO L130 PetriNetUnfolder]: For 102179/102198 co-relation queries the response was YES. [2021-03-24 14:43:48,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28823 conditions, 3227 events. 1444/3227 cut-off events. For 102179/102198 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 27286 event pairs, 228 based on Foata normal form. 9/3236 useless extension candidates. Maximal degree in co-relation 28406. Up to 1151 conditions per place. [2021-03-24 14:43:48,570 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 403 selfloop transitions, 136 changer transitions 3/549 dead transitions. [2021-03-24 14:43:48,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 549 transitions, 17188 flow [2021-03-24 14:43:48,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:48,570 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:48,571 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:48,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:48,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:48,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:48,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:48,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:48,571 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:48,571 INFO L185 Difference]: Start difference. First operand has 362 places, 509 transitions, 15271 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:48,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 549 transitions, 17188 flow [2021-03-24 14:43:49,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 549 transitions, 16946 flow, removed 58 selfloop flow, removed 2 redundant places. [2021-03-24 14:43:49,093 INFO L241 Difference]: Finished difference. Result has 368 places, 512 transitions, 15480 flow [2021-03-24 14:43:49,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=15005, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=15480, PETRI_PLACES=368, PETRI_TRANSITIONS=512} [2021-03-24 14:43:49,094 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 345 predicate places. [2021-03-24 14:43:49,094 INFO L480 AbstractCegarLoop]: Abstraction has has 368 places, 512 transitions, 15480 flow [2021-03-24 14:43:49,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:49,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:49,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:49,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:49,295 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:49,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:49,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1240778479, now seen corresponding path program 36 times [2021-03-24 14:43:49,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:49,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541880074] [2021-03-24 14:43:49,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:49,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:49,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:49,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:43:49,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:49,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:49,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:49,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:49,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:49,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:49,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:49,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:49,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:43:49,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:49,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:49,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541880074] [2021-03-24 14:43:49,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:49,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:49,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386900151] [2021-03-24 14:43:49,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:49,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:49,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:49,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:49,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:49,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 512 transitions, 15480 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:49,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:49,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:49,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:50,118 INFO L129 PetriNetUnfolder]: 1467/3313 cut-off events. [2021-03-24 14:43:50,118 INFO L130 PetriNetUnfolder]: For 103470/103489 co-relation queries the response was YES. [2021-03-24 14:43:50,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29658 conditions, 3313 events. 1467/3313 cut-off events. For 103470/103489 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 28493 event pairs, 304 based on Foata normal form. 6/3319 useless extension candidates. Maximal degree in co-relation 29210. Up to 1669 conditions per place. [2021-03-24 14:43:50,184 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 392 selfloop transitions, 160 changer transitions 1/560 dead transitions. [2021-03-24 14:43:50,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 560 transitions, 17594 flow [2021-03-24 14:43:50,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 144 transitions. [2021-03-24 14:43:50,185 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7093596059113301 [2021-03-24 14:43:50,185 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 144 transitions. [2021-03-24 14:43:50,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 144 transitions. [2021-03-24 14:43:50,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:50,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 144 transitions. [2021-03-24 14:43:50,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 7 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:50,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:50,186 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:50,186 INFO L185 Difference]: Start difference. First operand has 368 places, 512 transitions, 15480 flow. Second operand 7 states and 144 transitions. [2021-03-24 14:43:50,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 560 transitions, 17594 flow [2021-03-24 14:43:50,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 560 transitions, 17339 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:50,690 INFO L241 Difference]: Finished difference. Result has 374 places, 524 transitions, 15885 flow [2021-03-24 14:43:50,690 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=15225, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=15885, PETRI_PLACES=374, PETRI_TRANSITIONS=524} [2021-03-24 14:43:50,690 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 351 predicate places. [2021-03-24 14:43:50,690 INFO L480 AbstractCegarLoop]: Abstraction has has 374 places, 524 transitions, 15885 flow [2021-03-24 14:43:50,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:50,690 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:50,690 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:50,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-24 14:43:50,691 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:50,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:50,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1313539493, now seen corresponding path program 37 times [2021-03-24 14:43:50,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:50,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673345335] [2021-03-24 14:43:50,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:50,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:50,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:50,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:50,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:50,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:50,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:50,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:50,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:50,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:50,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:50,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:50,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:50,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:50,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673345335] [2021-03-24 14:43:50,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:43:50,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:43:50,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458939670] [2021-03-24 14:43:50,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:50,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:50,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:50,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:43:50,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:50,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 524 transitions, 15885 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:50,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:50,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:50,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:51,563 INFO L129 PetriNetUnfolder]: 1465/3304 cut-off events. [2021-03-24 14:43:51,563 INFO L130 PetriNetUnfolder]: For 103968/103973 co-relation queries the response was YES. [2021-03-24 14:43:51,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29726 conditions, 3304 events. 1465/3304 cut-off events. For 103968/103973 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 28402 event pairs, 307 based on Foata normal form. 2/3306 useless extension candidates. Maximal degree in co-relation 29539. Up to 1669 conditions per place. [2021-03-24 14:43:51,609 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 393 selfloop transitions, 156 changer transitions 1/557 dead transitions. [2021-03-24 14:43:51,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 557 transitions, 17625 flow [2021-03-24 14:43:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:43:51,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:43:51,610 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:43:51,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:43:51,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:51,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:43:51,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:51,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:51,611 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:51,611 INFO L185 Difference]: Start difference. First operand has 374 places, 524 transitions, 15885 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:43:51,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 557 transitions, 17625 flow [2021-03-24 14:43:52,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 557 transitions, 17295 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:52,135 INFO L241 Difference]: Finished difference. Result has 377 places, 524 transitions, 15911 flow [2021-03-24 14:43:52,135 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=15563, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=15911, PETRI_PLACES=377, PETRI_TRANSITIONS=524} [2021-03-24 14:43:52,135 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 354 predicate places. [2021-03-24 14:43:52,135 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 524 transitions, 15911 flow [2021-03-24 14:43:52,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:52,135 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:52,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:52,136 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-24 14:43:52,136 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:52,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:52,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1088010215, now seen corresponding path program 31 times [2021-03-24 14:43:52,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:52,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981721162] [2021-03-24 14:43:52,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:52,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:52,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:52,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:52,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:52,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:52,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981721162] [2021-03-24 14:43:52,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669957837] [2021-03-24 14:43:52,174 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:52,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:52,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:52,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,216 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:43:52,216 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:43:52,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:52,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:52,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:52,223 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:43:52,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:52,228 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 14:43:52,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:43:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:43:52,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:43:52,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,231 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:52,232 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:52,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,233 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:43:52,233 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:43:52,234 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-24 14:43:52,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:52,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:43:52,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:43:52,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:52,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:43:52,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:43:52,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,245 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:52,245 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:52,246 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-24 14:43:52,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:43:52,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:52,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:52,262 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:43:52,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:52,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:52,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:52,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:52,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:52,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:52,266 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:52,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:52,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:52,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:43:52,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2021-03-24 14:43:52,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696981959] [2021-03-24 14:43:52,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:52,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:52,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:43:52,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:52,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 524 transitions, 15911 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:52,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:52,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:52,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:53,225 INFO L129 PetriNetUnfolder]: 1461/3277 cut-off events. [2021-03-24 14:43:53,225 INFO L130 PetriNetUnfolder]: For 103473/103492 co-relation queries the response was YES. [2021-03-24 14:43:53,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29581 conditions, 3277 events. 1461/3277 cut-off events. For 103473/103492 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 27938 event pairs, 239 based on Foata normal form. 9/3286 useless extension candidates. Maximal degree in co-relation 29157. Up to 1331 conditions per place. [2021-03-24 14:43:53,274 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 409 selfloop transitions, 151 changer transitions 3/570 dead transitions. [2021-03-24 14:43:53,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 570 transitions, 17940 flow [2021-03-24 14:43:53,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:53,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:53,275 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:53,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:53,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:53,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:53,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:53,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:53,275 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:53,275 INFO L185 Difference]: Start difference. First operand has 377 places, 524 transitions, 15911 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:53,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 570 transitions, 17940 flow [2021-03-24 14:43:53,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 570 transitions, 17648 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-24 14:43:53,799 INFO L241 Difference]: Finished difference. Result has 383 places, 529 transitions, 16124 flow [2021-03-24 14:43:53,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=15619, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=16124, PETRI_PLACES=383, PETRI_TRANSITIONS=529} [2021-03-24 14:43:53,800 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 360 predicate places. [2021-03-24 14:43:53,800 INFO L480 AbstractCegarLoop]: Abstraction has has 383 places, 529 transitions, 16124 flow [2021-03-24 14:43:53,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:53,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:53,800 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:54,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable109 [2021-03-24 14:43:54,001 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:54,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:54,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1176633635, now seen corresponding path program 32 times [2021-03-24 14:43:54,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:54,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014864390] [2021-03-24 14:43:54,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:54,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:54,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:54,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:43:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:54,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014864390] [2021-03-24 14:43:54,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447629219] [2021-03-24 14:43:54,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:54,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:43:54,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:43:54,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:54,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:54,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,080 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:43:54,080 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:43:54,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,087 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:43:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:54,092 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 14:43:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:43:54,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:54,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:43:54,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:43:54,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,095 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:54,095 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:54,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,096 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:43:54,097 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:43:54,097 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-24 14:43:54,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:54,106 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:43:54,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:43:54,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:54,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:43:54,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:43:54,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,109 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:54,109 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:54,110 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-24 14:43:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:43:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:54,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:54,121 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:43:54,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:54,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:54,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:54,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:54,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:54,129 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:54,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:43:54,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2021-03-24 14:43:54,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905910627] [2021-03-24 14:43:54,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:43:54,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:54,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:43:54,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:43:54,133 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:54,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 529 transitions, 16124 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:54,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:54,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:54,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:55,009 INFO L129 PetriNetUnfolder]: 1455/3256 cut-off events. [2021-03-24 14:43:55,009 INFO L130 PetriNetUnfolder]: For 104802/104865 co-relation queries the response was YES. [2021-03-24 14:43:55,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29552 conditions, 3256 events. 1455/3256 cut-off events. For 104802/104865 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 27636 event pairs, 241 based on Foata normal form. 14/3269 useless extension candidates. Maximal degree in co-relation 29125. Up to 1331 conditions per place. [2021-03-24 14:43:55,058 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 408 selfloop transitions, 151 changer transitions 3/569 dead transitions. [2021-03-24 14:43:55,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 569 transitions, 17994 flow [2021-03-24 14:43:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:43:55,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:43:55,059 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:43:55,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:43:55,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:55,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:43:55,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:55,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:55,060 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:55,060 INFO L185 Difference]: Start difference. First operand has 383 places, 529 transitions, 16124 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:43:55,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 569 transitions, 17994 flow [2021-03-24 14:43:55,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 569 transitions, 17868 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 14:43:55,603 INFO L241 Difference]: Finished difference. Result has 388 places, 530 transitions, 16338 flow [2021-03-24 14:43:55,603 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=15973, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=16338, PETRI_PLACES=388, PETRI_TRANSITIONS=530} [2021-03-24 14:43:55,603 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 365 predicate places. [2021-03-24 14:43:55,603 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 530 transitions, 16338 flow [2021-03-24 14:43:55,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:55,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:55,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:55,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:55,808 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:55,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:55,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1048053133, now seen corresponding path program 38 times [2021-03-24 14:43:55,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:55,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713564548] [2021-03-24 14:43:55,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:55,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,816 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:43:55,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:55,820 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-24 14:43:55,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:43:55,829 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:43:55,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:43:55,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-03-24 14:43:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:43:55,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:55,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:55,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713564548] [2021-03-24 14:43:55,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127115372] [2021-03-24 14:43:55,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:55,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:43:55,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:43:55,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:55,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:55,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,901 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:43:55,901 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:43:55,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:55,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:55,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:55,903 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:43:55,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:43:55,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:55,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:43:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:43:55,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,905 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:55,906 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:55,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,907 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:55,908 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:55,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,910 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:43:55,911 INFO L147 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size 12 [2021-03-24 14:43:55,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-24 14:43:55,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:55,920 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:43:55,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,929 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-24 14:43:55,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:55,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:55,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:55,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:55,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:55,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:55,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:55,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:43:55,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:43:55,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:55,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:43:55,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:43:55,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,945 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:55,945 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:55,946 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-03-24 14:43:55,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-24 14:43:55,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:55,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:55,949 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:55,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:55,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:55,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:43:55,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-03-24 14:43:55,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978358300] [2021-03-24 14:43:55,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 14:43:55,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:55,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 14:43:55,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:43:55,954 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:55,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 530 transitions, 16338 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:55,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:55,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:55,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:57,068 INFO L129 PetriNetUnfolder]: 1733/3992 cut-off events. [2021-03-24 14:43:57,068 INFO L130 PetriNetUnfolder]: For 118829/118860 co-relation queries the response was YES. [2021-03-24 14:43:57,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34992 conditions, 3992 events. 1733/3992 cut-off events. For 118829/118860 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 35924 event pairs, 168 based on Foata normal form. 2/3993 useless extension candidates. Maximal degree in co-relation 34501. Up to 1637 conditions per place. [2021-03-24 14:43:57,126 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 475 selfloop transitions, 163 changer transitions 5/650 dead transitions. [2021-03-24 14:43:57,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 650 transitions, 20341 flow [2021-03-24 14:43:57,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:43:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:43:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:43:57,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:43:57,126 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:43:57,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:43:57,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:57,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:43:57,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:57,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:57,127 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:57,127 INFO L185 Difference]: Start difference. First operand has 388 places, 530 transitions, 16338 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:43:57,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 650 transitions, 20341 flow [2021-03-24 14:43:57,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 650 transitions, 19989 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:43:57,720 INFO L241 Difference]: Finished difference. Result has 394 places, 571 transitions, 17630 flow [2021-03-24 14:43:57,720 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=16050, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=17630, PETRI_PLACES=394, PETRI_TRANSITIONS=571} [2021-03-24 14:43:57,720 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 371 predicate places. [2021-03-24 14:43:57,720 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 571 transitions, 17630 flow [2021-03-24 14:43:57,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:57,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:43:57,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:43:57,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable115 [2021-03-24 14:43:57,921 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:43:57,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:43:57,922 INFO L82 PathProgramCache]: Analyzing trace with hash 525658699, now seen corresponding path program 33 times [2021-03-24 14:43:57,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:43:57,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088772699] [2021-03-24 14:43:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:43:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:43:57,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:57,937 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-24 14:43:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:43:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:57,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:57,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:57,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088772699] [2021-03-24 14:43:57,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710886928] [2021-03-24 14:43:57,968 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:43:57,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:43:57,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:43:57,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:43:57,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:43:57,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,000 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:43:58,000 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:43:58,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:58,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:58,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:58,008 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:43:58,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:43:58,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:58,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:43:58,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:43:58,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,011 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:58,011 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:58,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,014 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:43:58,015 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,016 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:43:58,017 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:43:58,017 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:43:58,017 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:43:58,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:43:58,026 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:43:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:58,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:58,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:58,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:58,037 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-03-24 14:43:58,037 INFO L147 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size 9 [2021-03-24 14:43:58,037 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:43:58,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:58,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:43:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:43:58,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:58,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:58,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:58,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:58,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:58,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:58,042 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:43:58,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:43:58,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:43:58,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:43:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:43:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:58,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:43:58,053 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:43:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:43:58,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:43:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:43:58,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:43:58,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 14:43:58,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248066803] [2021-03-24 14:43:58,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 14:43:58,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:43:58,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 14:43:58,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:43:58,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:43:58,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 571 transitions, 17630 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:58,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:43:58,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:43:58,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:43:59,392 INFO L129 PetriNetUnfolder]: 2013/4830 cut-off events. [2021-03-24 14:43:59,392 INFO L130 PetriNetUnfolder]: For 144010/144041 co-relation queries the response was YES. [2021-03-24 14:43:59,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42266 conditions, 4830 events. 2013/4830 cut-off events. For 144010/144041 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 46384 event pairs, 251 based on Foata normal form. 4/4833 useless extension candidates. Maximal degree in co-relation 41560. Up to 1604 conditions per place. [2021-03-24 14:43:59,474 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 434 selfloop transitions, 271 changer transitions 3/715 dead transitions. [2021-03-24 14:43:59,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 715 transitions, 22611 flow [2021-03-24 14:43:59,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 14:43:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 14:43:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 219 transitions. [2021-03-24 14:43:59,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7551724137931034 [2021-03-24 14:43:59,475 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 219 transitions. [2021-03-24 14:43:59,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 219 transitions. [2021-03-24 14:43:59,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:43:59,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 219 transitions. [2021-03-24 14:43:59,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.9) internal successors, (219), 10 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:59,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:59,476 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:43:59,476 INFO L185 Difference]: Start difference. First operand has 394 places, 571 transitions, 17630 flow. Second operand 10 states and 219 transitions. [2021-03-24 14:43:59,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 715 transitions, 22611 flow [2021-03-24 14:44:00,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 715 transitions, 22394 flow, removed 89 selfloop flow, removed 3 redundant places. [2021-03-24 14:44:00,385 INFO L241 Difference]: Finished difference. Result has 405 places, 610 transitions, 19444 flow [2021-03-24 14:44:00,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=17460, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19444, PETRI_PLACES=405, PETRI_TRANSITIONS=610} [2021-03-24 14:44:00,386 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 382 predicate places. [2021-03-24 14:44:00,386 INFO L480 AbstractCegarLoop]: Abstraction has has 405 places, 610 transitions, 19444 flow [2021-03-24 14:44:00,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:00,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:00,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:00,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:00,587 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:00,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:00,587 INFO L82 PathProgramCache]: Analyzing trace with hash 874060095, now seen corresponding path program 39 times [2021-03-24 14:44:00,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:00,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348815094] [2021-03-24 14:44:00,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:00,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:00,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:00,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:00,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:00,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:00,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:00,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:00,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:00,612 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:44:00,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:00,620 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:44:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:00,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:00,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:00,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348815094] [2021-03-24 14:44:00,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:00,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:00,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354413252] [2021-03-24 14:44:00,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:00,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:00,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:00,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:00,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:00,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 610 transitions, 19444 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:00,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:00,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:00,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:01,898 INFO L129 PetriNetUnfolder]: 2007/4760 cut-off events. [2021-03-24 14:44:01,898 INFO L130 PetriNetUnfolder]: For 153025/153088 co-relation queries the response was YES. [2021-03-24 14:44:01,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43515 conditions, 4760 events. 2007/4760 cut-off events. For 153025/153088 co-relation queries the response was YES. Maximal size of possible extension queue 575. Compared 45269 event pairs, 492 based on Foata normal form. 14/4773 useless extension candidates. Maximal degree in co-relation 42771. Up to 2347 conditions per place. [2021-03-24 14:44:01,973 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 485 selfloop transitions, 161 changer transitions 0/653 dead transitions. [2021-03-24 14:44:01,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 653 transitions, 21541 flow [2021-03-24 14:44:01,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 153 transitions. [2021-03-24 14:44:01,974 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7536945812807881 [2021-03-24 14:44:01,974 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 153 transitions. [2021-03-24 14:44:01,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 153 transitions. [2021-03-24 14:44:01,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:01,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 153 transitions. [2021-03-24 14:44:01,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:01,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:01,975 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:01,975 INFO L185 Difference]: Start difference. First operand has 405 places, 610 transitions, 19444 flow. Second operand 7 states and 153 transitions. [2021-03-24 14:44:01,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 653 transitions, 21541 flow [2021-03-24 14:44:02,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 653 transitions, 21046 flow, removed 39 selfloop flow, removed 6 redundant places. [2021-03-24 14:44:02,800 INFO L241 Difference]: Finished difference. Result has 408 places, 622 transitions, 19675 flow [2021-03-24 14:44:02,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=18954, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=19675, PETRI_PLACES=408, PETRI_TRANSITIONS=622} [2021-03-24 14:44:02,801 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 385 predicate places. [2021-03-24 14:44:02,801 INFO L480 AbstractCegarLoop]: Abstraction has has 408 places, 622 transitions, 19675 flow [2021-03-24 14:44:02,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:02,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:02,801 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:02,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-24 14:44:02,801 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:02,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:02,801 INFO L82 PathProgramCache]: Analyzing trace with hash 795807147, now seen corresponding path program 34 times [2021-03-24 14:44:02,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:02,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549755091] [2021-03-24 14:44:02,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:02,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:02,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:02,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:02,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:02,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549755091] [2021-03-24 14:44:02,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874784073] [2021-03-24 14:44:02,841 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 14:44:02,879 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:44:02,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:02,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:02,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:02,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,886 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:02,886 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:02,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,894 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:44:02,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:02,898 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 14:44:02,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:44:02,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:02,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:44:02,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:02,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,901 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:02,903 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:02,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,905 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:02,906 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:44:02,906 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-24 14:44:02,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:02,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:02,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:02,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:02,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:02,918 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:44:02,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:44:02,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:02,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:44:02,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:44:02,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,920 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:02,921 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:02,921 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-03-24 14:44:02,923 INFO L147 QuantifierPusher]: treesize reduction 2, result has 71.4 percent of original size 5 [2021-03-24 14:44:02,923 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:02,923 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:02,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:02,934 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:44:02,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:02,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:02,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:02,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:02,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:02,941 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:02,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:02,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:02,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:02,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2021-03-24 14:44:02,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495506851] [2021-03-24 14:44:02,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:02,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:02,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:02,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:44:02,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:02,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 622 transitions, 19675 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:02,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:02,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:02,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:04,540 INFO L129 PetriNetUnfolder]: 1999/4738 cut-off events. [2021-03-24 14:44:04,541 INFO L130 PetriNetUnfolder]: For 153526/153589 co-relation queries the response was YES. [2021-03-24 14:44:04,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42788 conditions, 4738 events. 1999/4738 cut-off events. For 153526/153589 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 45011 event pairs, 334 based on Foata normal form. 16/4753 useless extension candidates. Maximal degree in co-relation 42061. Up to 1607 conditions per place. [2021-03-24 14:44:04,628 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 491 selfloop transitions, 161 changer transitions 1/660 dead transitions. [2021-03-24 14:44:04,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 660 transitions, 21668 flow [2021-03-24 14:44:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:04,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:44:04,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:44:04,629 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:44:04,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:44:04,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:04,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:44:04,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:04,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:04,630 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:04,630 INFO L185 Difference]: Start difference. First operand has 408 places, 622 transitions, 19675 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:44:04,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 660 transitions, 21668 flow [2021-03-24 14:44:05,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 660 transitions, 21391 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-24 14:44:05,462 INFO L241 Difference]: Finished difference. Result has 411 places, 620 transitions, 19666 flow [2021-03-24 14:44:05,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=19344, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=19666, PETRI_PLACES=411, PETRI_TRANSITIONS=620} [2021-03-24 14:44:05,462 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 388 predicate places. [2021-03-24 14:44:05,462 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 620 transitions, 19666 flow [2021-03-24 14:44:05,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:05,462 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:05,462 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:05,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-03-24 14:44:05,663 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:05,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:05,663 INFO L82 PathProgramCache]: Analyzing trace with hash -240903953, now seen corresponding path program 35 times [2021-03-24 14:44:05,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:05,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312284995] [2021-03-24 14:44:05,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:05,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:05,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 14:44:05,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:05,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:05,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:05,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:05,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312284995] [2021-03-24 14:44:05,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969912992] [2021-03-24 14:44:05,711 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:05,740 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:44:05,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:05,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:05,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:05,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,747 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:05,747 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:05,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:05,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:05,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:05,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:05,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:05,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:05,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:05,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:05,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,759 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:05,760 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:05,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,762 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:05,763 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:05,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,764 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:05,765 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:05,765 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:05,765 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:05,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:05,775 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:44:05,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:05,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:44:05,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:44:05,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:05,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:44:05,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:44:05,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,783 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:05,784 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:05,785 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-03-24 14:44:05,786 INFO L147 QuantifierPusher]: treesize reduction 2, result has 71.4 percent of original size 5 [2021-03-24 14:44:05,786 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:05,787 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:05,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:05,797 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:44:05,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:05,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:05,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:05,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:05,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:05,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:05,801 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:05,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:05,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:05,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:05,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2021-03-24 14:44:05,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880197478] [2021-03-24 14:44:05,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:05,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:05,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:05,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:44:05,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:05,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 620 transitions, 19666 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:05,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:05,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:05,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:07,168 INFO L129 PetriNetUnfolder]: 2009/4749 cut-off events. [2021-03-24 14:44:07,169 INFO L130 PetriNetUnfolder]: For 156211/156274 co-relation queries the response was YES. [2021-03-24 14:44:07,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43110 conditions, 4749 events. 2009/4749 cut-off events. For 156211/156274 co-relation queries the response was YES. Maximal size of possible extension queue 570. Compared 45065 event pairs, 285 based on Foata normal form. 14/4762 useless extension candidates. Maximal degree in co-relation 42461. Up to 1876 conditions per place. [2021-03-24 14:44:07,250 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 497 selfloop transitions, 176 changer transitions 1/681 dead transitions. [2021-03-24 14:44:07,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 681 transitions, 22472 flow [2021-03-24 14:44:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:44:07,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:44:07,251 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:44:07,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:44:07,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:07,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:44:07,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:07,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:07,252 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:07,252 INFO L185 Difference]: Start difference. First operand has 411 places, 620 transitions, 19666 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:44:07,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 681 transitions, 22472 flow [2021-03-24 14:44:08,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 681 transitions, 22159 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:08,098 INFO L241 Difference]: Finished difference. Result has 416 places, 634 transitions, 20332 flow [2021-03-24 14:44:08,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=19363, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=20332, PETRI_PLACES=416, PETRI_TRANSITIONS=634} [2021-03-24 14:44:08,098 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 393 predicate places. [2021-03-24 14:44:08,098 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 634 transitions, 20332 flow [2021-03-24 14:44:08,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:08,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:08,098 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:08,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable126 [2021-03-24 14:44:08,299 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:08,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:08,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1500586679, now seen corresponding path program 36 times [2021-03-24 14:44:08,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:08,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578574468] [2021-03-24 14:44:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:08,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:08,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:08,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:08,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:08,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:08,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:08,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:08,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:44:08,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:08,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:08,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:08,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:08,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:08,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:08,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578574468] [2021-03-24 14:44:08,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:08,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:08,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592146486] [2021-03-24 14:44:08,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:08,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:08,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:08,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:08,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:08,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 634 transitions, 20332 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:08,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:08,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:08,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:09,578 INFO L129 PetriNetUnfolder]: 2006/4733 cut-off events. [2021-03-24 14:44:09,578 INFO L130 PetriNetUnfolder]: For 159196/159259 co-relation queries the response was YES. [2021-03-24 14:44:09,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43373 conditions, 4733 events. 2006/4733 cut-off events. For 159196/159259 co-relation queries the response was YES. Maximal size of possible extension queue 568. Compared 44784 event pairs, 338 based on Foata normal form. 11/4743 useless extension candidates. Maximal degree in co-relation 42705. Up to 1876 conditions per place. [2021-03-24 14:44:09,653 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 474 selfloop transitions, 189 changer transitions 2/672 dead transitions. [2021-03-24 14:44:09,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 672 transitions, 22346 flow [2021-03-24 14:44:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:44:09,654 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:44:09,654 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:44:09,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:44:09,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:09,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:44:09,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:09,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:09,654 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:09,654 INFO L185 Difference]: Start difference. First operand has 416 places, 634 transitions, 20332 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:44:09,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 672 transitions, 22346 flow [2021-03-24 14:44:10,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 672 transitions, 21914 flow, removed 44 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:10,531 INFO L241 Difference]: Finished difference. Result has 419 places, 633 transitions, 20263 flow [2021-03-24 14:44:10,532 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=19906, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=20263, PETRI_PLACES=419, PETRI_TRANSITIONS=633} [2021-03-24 14:44:10,532 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 396 predicate places. [2021-03-24 14:44:10,532 INFO L480 AbstractCegarLoop]: Abstraction has has 419 places, 633 transitions, 20263 flow [2021-03-24 14:44:10,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:10,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:10,532 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:10,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-24 14:44:10,532 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:10,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:10,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1021688689, now seen corresponding path program 40 times [2021-03-24 14:44:10,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:10,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981820832] [2021-03-24 14:44:10,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:10,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:10,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:10,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:10,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:44:10,562 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-03-24 14:44:10,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:44:10,566 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:44:10,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:10,573 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:44:10,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:10,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:10,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:10,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:10,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:10,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981820832] [2021-03-24 14:44:10,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:10,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:10,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704198711] [2021-03-24 14:44:10,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:10,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:10,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:10,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:10,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:44:10,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 633 transitions, 20263 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:10,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:10,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:44:10,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:11,994 INFO L129 PetriNetUnfolder]: 2004/4717 cut-off events. [2021-03-24 14:44:11,995 INFO L130 PetriNetUnfolder]: For 159839/159870 co-relation queries the response was YES. [2021-03-24 14:44:12,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43840 conditions, 4717 events. 2004/4717 cut-off events. For 159839/159870 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 44526 event pairs, 448 based on Foata normal form. 2/4718 useless extension candidates. Maximal degree in co-relation 43168. Up to 2479 conditions per place. [2021-03-24 14:44:12,073 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 523 selfloop transitions, 152 changer transitions 1/682 dead transitions. [2021-03-24 14:44:12,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 682 transitions, 22577 flow [2021-03-24 14:44:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 136 transitions. [2021-03-24 14:44:12,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6699507389162561 [2021-03-24 14:44:12,074 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 136 transitions. [2021-03-24 14:44:12,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 136 transitions. [2021-03-24 14:44:12,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:12,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 136 transitions. [2021-03-24 14:44:12,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:12,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:12,074 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:12,074 INFO L185 Difference]: Start difference. First operand has 419 places, 633 transitions, 20263 flow. Second operand 7 states and 136 transitions. [2021-03-24 14:44:12,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 682 transitions, 22577 flow [2021-03-24 14:44:13,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 682 transitions, 22188 flow, removed 62 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:13,045 INFO L241 Difference]: Finished difference. Result has 423 places, 633 transitions, 20223 flow [2021-03-24 14:44:13,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=19875, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=20223, PETRI_PLACES=423, PETRI_TRANSITIONS=633} [2021-03-24 14:44:13,045 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 400 predicate places. [2021-03-24 14:44:13,045 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 633 transitions, 20223 flow [2021-03-24 14:44:13,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:13,045 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:13,045 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:13,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-24 14:44:13,045 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:13,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:13,046 INFO L82 PathProgramCache]: Analyzing trace with hash -775480567, now seen corresponding path program 37 times [2021-03-24 14:44:13,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:13,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610569229] [2021-03-24 14:44:13,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:13,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:13,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:13,081 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:44:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:44:13,095 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:44:13,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:44:13,106 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:44:13,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:44:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:13,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610569229] [2021-03-24 14:44:13,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953401590] [2021-03-24 14:44:13,114 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:13,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:13,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:13,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,147 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:13,147 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:13,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,156 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:13,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:13,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:13,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:13,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:13,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,159 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:13,163 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:13,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,164 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:13,165 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:13,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,166 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:13,166 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:13,173 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:13,174 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:13,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:13,183 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:44:13,184 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:44:13,184 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:13,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:13,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:13,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:13,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:13,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:13,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:13,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:13,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,201 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:13,202 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:13,202 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-24 14:44:13,203 INFO L147 QuantifierPusher]: treesize reduction 2, result has 66.7 percent of original size 4 [2021-03-24 14:44:13,204 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:13,204 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:44:13,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:13,217 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:44:13,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:13,231 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:13,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:13,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:13,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:13,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-03-24 14:44:13,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319121732] [2021-03-24 14:44:13,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:13,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:13,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:13,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-03-24 14:44:13,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:13,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 633 transitions, 20223 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:13,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:13,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:13,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:14,603 INFO L129 PetriNetUnfolder]: 2000/4711 cut-off events. [2021-03-24 14:44:14,603 INFO L130 PetriNetUnfolder]: For 158698/158729 co-relation queries the response was YES. [2021-03-24 14:44:14,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43319 conditions, 4711 events. 2000/4711 cut-off events. For 158698/158729 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 44531 event pairs, 370 based on Foata normal form. 4/4714 useless extension candidates. Maximal degree in co-relation 43038. Up to 2770 conditions per place. [2021-03-24 14:44:14,690 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 500 selfloop transitions, 175 changer transitions 1/683 dead transitions. [2021-03-24 14:44:14,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 683 transitions, 22634 flow [2021-03-24 14:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:14,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:44:14,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:44:14,691 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:44:14,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:44:14,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:14,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:44:14,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:14,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:14,691 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:14,692 INFO L185 Difference]: Start difference. First operand has 423 places, 633 transitions, 20223 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:44:14,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 683 transitions, 22634 flow [2021-03-24 14:44:15,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 683 transitions, 22312 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-24 14:44:15,877 INFO L241 Difference]: Finished difference. Result has 427 places, 641 transitions, 20558 flow [2021-03-24 14:44:15,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=19905, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=20558, PETRI_PLACES=427, PETRI_TRANSITIONS=641} [2021-03-24 14:44:15,878 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 404 predicate places. [2021-03-24 14:44:15,878 INFO L480 AbstractCegarLoop]: Abstraction has has 427 places, 641 transitions, 20558 flow [2021-03-24 14:44:15,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:15,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:15,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:16,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:16,080 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:16,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:16,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1169068263, now seen corresponding path program 38 times [2021-03-24 14:44:16,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:16,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140205934] [2021-03-24 14:44:16,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:16,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:16,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:16,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:16,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:16,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:16,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:16,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:16,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:44:16,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:16,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:16,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:16,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:16,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:16,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:16,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140205934] [2021-03-24 14:44:16,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:16,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:16,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129636617] [2021-03-24 14:44:16,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:16,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:16,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:16,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:16,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:16,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 641 transitions, 20558 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:16,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:16,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:16,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:17,506 INFO L129 PetriNetUnfolder]: 1995/4699 cut-off events. [2021-03-24 14:44:17,506 INFO L130 PetriNetUnfolder]: For 160949/160980 co-relation queries the response was YES. [2021-03-24 14:44:17,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43307 conditions, 4699 events. 1995/4699 cut-off events. For 160949/160980 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 44318 event pairs, 384 based on Foata normal form. 5/4703 useless extension candidates. Maximal degree in co-relation 43028. Up to 2770 conditions per place. [2021-03-24 14:44:17,580 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 509 selfloop transitions, 169 changer transitions 2/687 dead transitions. [2021-03-24 14:44:17,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 687 transitions, 22842 flow [2021-03-24 14:44:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:44:17,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:44:17,581 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:44:17,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:44:17,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:17,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:44:17,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:17,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:17,582 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:17,582 INFO L185 Difference]: Start difference. First operand has 427 places, 641 transitions, 20558 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:44:17,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 687 transitions, 22842 flow [2021-03-24 14:44:18,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 687 transitions, 22682 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-24 14:44:18,417 INFO L241 Difference]: Finished difference. Result has 435 places, 650 transitions, 21224 flow [2021-03-24 14:44:18,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=20398, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=641, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=21224, PETRI_PLACES=435, PETRI_TRANSITIONS=650} [2021-03-24 14:44:18,418 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 412 predicate places. [2021-03-24 14:44:18,418 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 650 transitions, 21224 flow [2021-03-24 14:44:18,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:18,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:18,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:18,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-24 14:44:18,418 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:18,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:18,418 INFO L82 PathProgramCache]: Analyzing trace with hash 901765725, now seen corresponding path program 41 times [2021-03-24 14:44:18,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:18,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422323314] [2021-03-24 14:44:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:18,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:18,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:18,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:18,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:18,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:18,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:18,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:18,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:18,446 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:44:18,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:18,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:18,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:18,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:18,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:18,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422323314] [2021-03-24 14:44:18,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:18,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:18,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352133141] [2021-03-24 14:44:18,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:18,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:18,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:18,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:18,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:18,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 650 transitions, 21224 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:18,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:18,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:18,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:19,817 INFO L129 PetriNetUnfolder]: 1989/4641 cut-off events. [2021-03-24 14:44:19,818 INFO L130 PetriNetUnfolder]: For 168366/168397 co-relation queries the response was YES. [2021-03-24 14:44:19,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43901 conditions, 4641 events. 1989/4641 cut-off events. For 168366/168397 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 43347 event pairs, 480 based on Foata normal form. 6/4646 useless extension candidates. Maximal degree in co-relation 43618. Up to 2319 conditions per place. [2021-03-24 14:44:19,893 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 512 selfloop transitions, 161 changer transitions 0/680 dead transitions. [2021-03-24 14:44:19,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 680 transitions, 23059 flow [2021-03-24 14:44:19,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:19,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:19,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 153 transitions. [2021-03-24 14:44:19,894 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7536945812807881 [2021-03-24 14:44:19,894 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 153 transitions. [2021-03-24 14:44:19,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 153 transitions. [2021-03-24 14:44:19,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:19,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 153 transitions. [2021-03-24 14:44:19,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:19,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:19,895 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:19,895 INFO L185 Difference]: Start difference. First operand has 435 places, 650 transitions, 21224 flow. Second operand 7 states and 153 transitions. [2021-03-24 14:44:19,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 680 transitions, 23059 flow [2021-03-24 14:44:20,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 680 transitions, 22839 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-24 14:44:20,795 INFO L241 Difference]: Finished difference. Result has 440 places, 653 transitions, 21428 flow [2021-03-24 14:44:20,795 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=21004, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=650, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=21428, PETRI_PLACES=440, PETRI_TRANSITIONS=653} [2021-03-24 14:44:20,795 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 417 predicate places. [2021-03-24 14:44:20,795 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 653 transitions, 21428 flow [2021-03-24 14:44:20,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:20,795 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:20,795 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:20,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-24 14:44:20,795 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:20,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:20,796 INFO L82 PathProgramCache]: Analyzing trace with hash -390884059, now seen corresponding path program 42 times [2021-03-24 14:44:20,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:20,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804526818] [2021-03-24 14:44:20,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:20,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:20,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:20,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:20,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:20,808 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:44:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:20,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:20,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:20,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:20,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:20,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:20,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:44:20,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:20,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:20,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804526818] [2021-03-24 14:44:20,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:20,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:20,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115149905] [2021-03-24 14:44:20,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:20,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:20,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:20,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:20,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:20,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 653 transitions, 21428 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:20,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:20,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:20,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:22,175 INFO L129 PetriNetUnfolder]: 1988/4640 cut-off events. [2021-03-24 14:44:22,175 INFO L130 PetriNetUnfolder]: For 170367/170398 co-relation queries the response was YES. [2021-03-24 14:44:22,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43975 conditions, 4640 events. 1988/4640 cut-off events. For 170367/170398 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 43337 event pairs, 448 based on Foata normal form. 1/4640 useless extension candidates. Maximal degree in co-relation 43687. Up to 2319 conditions per place. [2021-03-24 14:44:22,250 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 499 selfloop transitions, 189 changer transitions 2/697 dead transitions. [2021-03-24 14:44:22,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 697 transitions, 23786 flow [2021-03-24 14:44:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:44:22,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:44:22,251 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:44:22,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:44:22,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:22,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:44:22,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:22,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:22,252 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:22,252 INFO L185 Difference]: Start difference. First operand has 440 places, 653 transitions, 21428 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:44:22,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 697 transitions, 23786 flow [2021-03-24 14:44:23,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 697 transitions, 23464 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:23,098 INFO L241 Difference]: Finished difference. Result has 443 places, 666 transitions, 21818 flow [2021-03-24 14:44:23,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=21068, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=21818, PETRI_PLACES=443, PETRI_TRANSITIONS=666} [2021-03-24 14:44:23,098 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 420 predicate places. [2021-03-24 14:44:23,098 INFO L480 AbstractCegarLoop]: Abstraction has has 443 places, 666 transitions, 21818 flow [2021-03-24 14:44:23,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:23,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:23,098 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:23,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-24 14:44:23,099 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:23,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:23,099 INFO L82 PathProgramCache]: Analyzing trace with hash 84345215, now seen corresponding path program 39 times [2021-03-24 14:44:23,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:23,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553030881] [2021-03-24 14:44:23,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:23,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:23,113 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-24 14:44:23,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:44:23,122 INFO L142 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size [2021-03-24 14:44:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:23,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553030881] [2021-03-24 14:44:23,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343476598] [2021-03-24 14:44:23,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:23,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:44:23,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:23,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:23,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:23,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,180 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:23,180 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:23,187 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:23,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:23,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:23,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,190 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:23,191 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:23,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,192 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:23,192 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:23,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,194 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:23,194 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:23,195 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:23,195 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:23,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:23,204 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:44:23,204 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:44:23,205 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:23,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:23,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:23,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:23,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:23,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:23,214 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:44:23,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,219 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:44:23,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:23,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:23,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:44:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:23,231 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:23,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:23,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:23,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:44:23,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82328463] [2021-03-24 14:44:23,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:23,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:23,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:44:23,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:23,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 666 transitions, 21818 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:23,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:23,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:23,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:25,038 INFO L129 PetriNetUnfolder]: 2098/4983 cut-off events. [2021-03-24 14:44:25,038 INFO L130 PetriNetUnfolder]: For 181358/181411 co-relation queries the response was YES. [2021-03-24 14:44:25,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46771 conditions, 4983 events. 2098/4983 cut-off events. For 181358/181411 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 47770 event pairs, 203 based on Foata normal form. 8/4990 useless extension candidates. Maximal degree in co-relation 46482. Up to 1876 conditions per place. [2021-03-24 14:44:25,164 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 481 selfloop transitions, 236 changer transitions 1/725 dead transitions. [2021-03-24 14:44:25,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 725 transitions, 24732 flow [2021-03-24 14:44:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:44:25,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:44:25,167 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:44:25,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:44:25,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:25,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:44:25,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:25,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:25,167 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:25,168 INFO L185 Difference]: Start difference. First operand has 443 places, 666 transitions, 21818 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:44:25,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 725 transitions, 24732 flow [2021-03-24 14:44:26,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 725 transitions, 24204 flow, removed 40 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:26,495 INFO L241 Difference]: Finished difference. Result has 447 places, 675 transitions, 22267 flow [2021-03-24 14:44:26,495 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=21216, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=22267, PETRI_PLACES=447, PETRI_TRANSITIONS=675} [2021-03-24 14:44:26,496 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 424 predicate places. [2021-03-24 14:44:26,496 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 675 transitions, 22267 flow [2021-03-24 14:44:26,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:26,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:26,496 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:26,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable139 [2021-03-24 14:44:26,698 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:26,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:26,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1375866765, now seen corresponding path program 43 times [2021-03-24 14:44:26,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:26,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130363031] [2021-03-24 14:44:26,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:26,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:26,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:26,709 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:44:26,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:44:26,722 INFO L142 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-03-24 14:44:26,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:44:26,726 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-24 14:44:26,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:26,734 INFO L142 QuantifierPusher]: treesize reduction 11, result has 50.0 percent of original size [2021-03-24 14:44:26,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:26,741 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-03-24 14:44:26,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:26,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:44:26,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:44:26,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:26,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:26,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130363031] [2021-03-24 14:44:26,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:26,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 14:44:26,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142161951] [2021-03-24 14:44:26,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:44:26,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:26,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:44:26,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:44:26,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:44:26,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 675 transitions, 22267 flow. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:26,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:26,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:44:26,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:29,065 INFO L129 PetriNetUnfolder]: 2097/4950 cut-off events. [2021-03-24 14:44:29,065 INFO L130 PetriNetUnfolder]: For 188858/188889 co-relation queries the response was YES. [2021-03-24 14:44:29,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47475 conditions, 4950 events. 2097/4950 cut-off events. For 188858/188889 co-relation queries the response was YES. Maximal size of possible extension queue 577. Compared 47107 event pairs, 505 based on Foata normal form. 2/4951 useless extension candidates. Maximal degree in co-relation 47234. Up to 2709 conditions per place. [2021-03-24 14:44:29,170 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 542 selfloop transitions, 155 changer transitions 0/703 dead transitions. [2021-03-24 14:44:29,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 703 transitions, 24040 flow [2021-03-24 14:44:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 137 transitions. [2021-03-24 14:44:29,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6748768472906403 [2021-03-24 14:44:29,171 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 137 transitions. [2021-03-24 14:44:29,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 137 transitions. [2021-03-24 14:44:29,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:29,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 137 transitions. [2021-03-24 14:44:29,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:29,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:29,172 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:29,172 INFO L185 Difference]: Start difference. First operand has 447 places, 675 transitions, 22267 flow. Second operand 7 states and 137 transitions. [2021-03-24 14:44:29,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 703 transitions, 24040 flow [2021-03-24 14:44:30,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 703 transitions, 23840 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:30,196 INFO L241 Difference]: Finished difference. Result has 448 places, 674 transitions, 22344 flow [2021-03-24 14:44:30,197 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=22034, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=22344, PETRI_PLACES=448, PETRI_TRANSITIONS=674} [2021-03-24 14:44:30,197 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 425 predicate places. [2021-03-24 14:44:30,197 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 674 transitions, 22344 flow [2021-03-24 14:44:30,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:30,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:30,197 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:30,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-24 14:44:30,197 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:30,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:30,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1468471335, now seen corresponding path program 40 times [2021-03-24 14:44:30,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:30,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622813866] [2021-03-24 14:44:30,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:30,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:30,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:44:30,216 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:44:30,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:44:30,225 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:44:30,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:30,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:30,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622813866] [2021-03-24 14:44:30,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475580214] [2021-03-24 14:44:30,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:30,265 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:44:30,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:30,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:30,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:30,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,270 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:30,270 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:30,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,279 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:30,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:30,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:30,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:30,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:30,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,282 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:30,282 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:30,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,283 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:30,284 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:30,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,285 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:30,285 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:30,286 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:30,286 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:30,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:30,295 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:44:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:44:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:44:30,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:44:30,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,297 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:44:30,298 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:30,299 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-03-24 14:44:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:30,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:30,311 INFO L142 QuantifierPusher]: treesize reduction 7, result has 63.2 percent of original size [2021-03-24 14:44:30,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:30,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:30,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:30,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:30,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:30,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:30,322 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:44:30,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:30,326 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:30,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:30,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:30,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:30,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:44:30,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070962015] [2021-03-24 14:44:30,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:30,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:30,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:30,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:44:30,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:30,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 674 transitions, 22344 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:30,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:30,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:30,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:31,827 INFO L129 PetriNetUnfolder]: 2102/4994 cut-off events. [2021-03-24 14:44:31,827 INFO L130 PetriNetUnfolder]: For 185096/185127 co-relation queries the response was YES. [2021-03-24 14:44:31,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46665 conditions, 4994 events. 2102/4994 cut-off events. For 185096/185127 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 47815 event pairs, 431 based on Foata normal form. 6/4999 useless extension candidates. Maximal degree in co-relation 46091. Up to 2943 conditions per place. [2021-03-24 14:44:31,905 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 531 selfloop transitions, 181 changer transitions 1/720 dead transitions. [2021-03-24 14:44:31,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 720 transitions, 24714 flow [2021-03-24 14:44:31,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:44:31,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:44:31,906 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:44:31,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:44:31,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:31,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:44:31,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:31,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:31,906 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:31,906 INFO L185 Difference]: Start difference. First operand has 448 places, 674 transitions, 22344 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:44:31,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 720 transitions, 24714 flow [2021-03-24 14:44:32,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 720 transitions, 24403 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:32,845 INFO L241 Difference]: Finished difference. Result has 452 places, 684 transitions, 22718 flow [2021-03-24 14:44:32,845 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=22045, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=22718, PETRI_PLACES=452, PETRI_TRANSITIONS=684} [2021-03-24 14:44:32,845 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 429 predicate places. [2021-03-24 14:44:32,845 INFO L480 AbstractCegarLoop]: Abstraction has has 452 places, 684 transitions, 22718 flow [2021-03-24 14:44:32,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:32,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:32,845 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:33,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:33,046 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:33,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:33,046 INFO L82 PathProgramCache]: Analyzing trace with hash 325137023, now seen corresponding path program 41 times [2021-03-24 14:44:33,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:33,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63361497] [2021-03-24 14:44:33,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:33,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:33,059 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 14:44:33,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:33,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:33,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:33,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63361497] [2021-03-24 14:44:33,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676404092] [2021-03-24 14:44:33,087 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:33,110 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:44:33,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:33,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:33,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:33,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,116 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:33,116 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:33,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,125 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:33,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:33,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:33,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:33,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,130 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:33,131 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:33,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,132 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:33,132 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:33,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,133 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:33,134 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:33,134 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:33,134 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:33,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:33,143 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:44:33,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:33,147 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:44:33,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:44:33,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:33,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:44:33,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:44:33,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,150 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:33,151 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:33,151 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-24 14:44:33,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:44:33,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:33,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:33,165 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:44:33,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:33,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:33,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:33,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:33,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:33,169 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:33,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:33,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:33,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:33,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2021-03-24 14:44:33,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421241635] [2021-03-24 14:44:33,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:33,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:33,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:33,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:44:33,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:33,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 684 transitions, 22718 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:33,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:33,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:33,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:34,691 INFO L129 PetriNetUnfolder]: 2114/4995 cut-off events. [2021-03-24 14:44:34,691 INFO L130 PetriNetUnfolder]: For 192629/192660 co-relation queries the response was YES. [2021-03-24 14:44:34,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47417 conditions, 4995 events. 2114/4995 cut-off events. For 192629/192660 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 47653 event pairs, 436 based on Foata normal form. 8/5002 useless extension candidates. Maximal degree in co-relation 46837. Up to 2951 conditions per place. [2021-03-24 14:44:34,776 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 539 selfloop transitions, 192 changer transitions 1/739 dead transitions. [2021-03-24 14:44:34,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 739 transitions, 25629 flow [2021-03-24 14:44:34,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:44:34,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:44:34,777 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:44:34,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:44:34,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:34,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:44:34,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:34,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:34,778 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:34,778 INFO L185 Difference]: Start difference. First operand has 452 places, 684 transitions, 22718 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:44:34,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 739 transitions, 25629 flow [2021-03-24 14:44:35,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 739 transitions, 25377 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-24 14:44:35,916 INFO L241 Difference]: Finished difference. Result has 458 places, 701 transitions, 23713 flow [2021-03-24 14:44:35,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=22468, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=23713, PETRI_PLACES=458, PETRI_TRANSITIONS=701} [2021-03-24 14:44:35,916 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 435 predicate places. [2021-03-24 14:44:35,916 INFO L480 AbstractCegarLoop]: Abstraction has has 458 places, 701 transitions, 23713 flow [2021-03-24 14:44:35,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:35,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:35,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:36,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:36,118 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:36,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:36,118 INFO L82 PathProgramCache]: Analyzing trace with hash -823334117, now seen corresponding path program 44 times [2021-03-24 14:44:36,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:36,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721908855] [2021-03-24 14:44:36,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:36,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:36,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:36,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:36,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:36,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:36,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:44:36,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:36,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:36,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:36,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:36,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:36,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:36,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:36,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721908855] [2021-03-24 14:44:36,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:36,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:36,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468334357] [2021-03-24 14:44:36,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:36,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:36,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:36,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:36,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:36,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 701 transitions, 23713 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:36,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:36,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:36,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:37,649 INFO L129 PetriNetUnfolder]: 2112/4964 cut-off events. [2021-03-24 14:44:37,650 INFO L130 PetriNetUnfolder]: For 194721/194752 co-relation queries the response was YES. [2021-03-24 14:44:37,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47583 conditions, 4964 events. 2112/4964 cut-off events. For 194721/194752 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 47111 event pairs, 502 based on Foata normal form. 2/4965 useless extension candidates. Maximal degree in co-relation 47220. Up to 2576 conditions per place. [2021-03-24 14:44:37,738 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 511 selfloop transitions, 206 changer transitions 1/725 dead transitions. [2021-03-24 14:44:37,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 725 transitions, 25536 flow [2021-03-24 14:44:37,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:37,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:37,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:44:37,739 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:44:37,739 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:44:37,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:44:37,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:37,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:44:37,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:37,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:37,740 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:37,740 INFO L185 Difference]: Start difference. First operand has 458 places, 701 transitions, 23713 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:44:37,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 725 transitions, 25536 flow [2021-03-24 14:44:38,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 725 transitions, 25140 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:38,759 INFO L241 Difference]: Finished difference. Result has 462 places, 704 transitions, 23796 flow [2021-03-24 14:44:38,759 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=23272, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=23796, PETRI_PLACES=462, PETRI_TRANSITIONS=704} [2021-03-24 14:44:38,759 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 439 predicate places. [2021-03-24 14:44:38,760 INFO L480 AbstractCegarLoop]: Abstraction has has 462 places, 704 transitions, 23796 flow [2021-03-24 14:44:38,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:38,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:38,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:38,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-24 14:44:38,760 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:38,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:38,760 INFO L82 PathProgramCache]: Analyzing trace with hash -49973907, now seen corresponding path program 42 times [2021-03-24 14:44:38,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:38,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805102900] [2021-03-24 14:44:38,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:38,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:38,773 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 14:44:38,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:38,783 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-24 14:44:38,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:44:38,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:38,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:38,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:38,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805102900] [2021-03-24 14:44:38,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104944242] [2021-03-24 14:44:38,807 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:38,848 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:44:38,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:38,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:38,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:38,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,856 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:38,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:38,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:38,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:38,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:38,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:38,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:38,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:38,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:38,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:38,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,867 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:38,868 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:38,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,869 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:38,869 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:38,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,872 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:38,873 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:38,873 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:38,873 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:38,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,886 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:44:38,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:44:38,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:38,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:44:38,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:44:38,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,890 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:44:38,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:38,891 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-03-24 14:44:38,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:38,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:38,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:38,908 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-24 14:44:38,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:38,923 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:44:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:38,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:38,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:38,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:38,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:38,926 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:38,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:38,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:44:38,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527286641] [2021-03-24 14:44:38,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:38,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:38,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:38,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:44:38,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:38,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 704 transitions, 23796 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:38,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:38,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:38,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:40,466 INFO L129 PetriNetUnfolder]: 2110/4958 cut-off events. [2021-03-24 14:44:40,466 INFO L130 PetriNetUnfolder]: For 197030/197083 co-relation queries the response was YES. [2021-03-24 14:44:40,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47690 conditions, 4958 events. 2110/4958 cut-off events. For 197030/197083 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 47080 event pairs, 381 based on Foata normal form. 12/4969 useless extension candidates. Maximal degree in co-relation 47325. Up to 1890 conditions per place. [2021-03-24 14:44:40,549 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 513 selfloop transitions, 229 changer transitions 1/750 dead transitions. [2021-03-24 14:44:40,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 750 transitions, 26345 flow [2021-03-24 14:44:40,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:44:40,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:44:40,550 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:44:40,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:44:40,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:40,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:44:40,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:40,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:40,551 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:40,551 INFO L185 Difference]: Start difference. First operand has 462 places, 704 transitions, 23796 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:44:40,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 750 transitions, 26345 flow [2021-03-24 14:44:41,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 750 transitions, 25957 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-24 14:44:41,484 INFO L241 Difference]: Finished difference. Result has 468 places, 719 transitions, 24466 flow [2021-03-24 14:44:41,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=23413, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=24466, PETRI_PLACES=468, PETRI_TRANSITIONS=719} [2021-03-24 14:44:41,484 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 445 predicate places. [2021-03-24 14:44:41,484 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 719 transitions, 24466 flow [2021-03-24 14:44:41,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:41,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:41,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:41,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:41,685 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:41,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1567418333, now seen corresponding path program 45 times [2021-03-24 14:44:41,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:41,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337813472] [2021-03-24 14:44:41,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:41,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:41,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:41,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:41,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:41,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:41,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:41,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:41,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:41,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:41,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:41,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:41,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:41,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:41,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:41,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337813472] [2021-03-24 14:44:41,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:41,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:41,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523468463] [2021-03-24 14:44:41,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:41,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:41,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:41,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:41,718 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:41,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 719 transitions, 24466 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:41,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:41,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:41,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:43,238 INFO L129 PetriNetUnfolder]: 2109/4950 cut-off events. [2021-03-24 14:44:43,238 INFO L130 PetriNetUnfolder]: For 197704/197735 co-relation queries the response was YES. [2021-03-24 14:44:43,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47913 conditions, 4950 events. 2109/4950 cut-off events. For 197704/197735 co-relation queries the response was YES. Maximal size of possible extension queue 577. Compared 46923 event pairs, 490 based on Foata normal form. 2/4951 useless extension candidates. Maximal degree in co-relation 47545. Up to 2572 conditions per place. [2021-03-24 14:44:43,329 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 553 selfloop transitions, 180 changer transitions 0/740 dead transitions. [2021-03-24 14:44:43,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 740 transitions, 26305 flow [2021-03-24 14:44:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:44:43,330 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:44:43,330 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:44:43,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:44:43,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:43,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:44:43,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:43,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:43,331 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:43,331 INFO L185 Difference]: Start difference. First operand has 468 places, 719 transitions, 24466 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:44:43,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 740 transitions, 26305 flow [2021-03-24 14:44:44,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 740 transitions, 25906 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-24 14:44:44,502 INFO L241 Difference]: Finished difference. Result has 470 places, 719 transitions, 24448 flow [2021-03-24 14:44:44,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=24040, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=24448, PETRI_PLACES=470, PETRI_TRANSITIONS=719} [2021-03-24 14:44:44,502 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 447 predicate places. [2021-03-24 14:44:44,502 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 719 transitions, 24448 flow [2021-03-24 14:44:44,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:44,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:44,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:44,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-24 14:44:44,502 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:44,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:44,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1401870983, now seen corresponding path program 43 times [2021-03-24 14:44:44,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:44,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553718441] [2021-03-24 14:44:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:44,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 14:44:44,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:44,529 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-24 14:44:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:44:44,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:44,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:44,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553718441] [2021-03-24 14:44:44,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069348144] [2021-03-24 14:44:44,554 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:44,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:44,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:44,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,583 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:44,583 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,592 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,594 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:44,595 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,596 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:44,597 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:44,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,598 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:44,599 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:44,599 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:44,599 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:44,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,610 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:44:44,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:44:44,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:44,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:44:44,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:44:44,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,613 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:44:44,613 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:44,614 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-03-24 14:44:44,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:44,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:44,627 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-24 14:44:44,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:44,640 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:44:44,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:44,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:44,643 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:44,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:44,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:44,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:44:44,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817443114] [2021-03-24 14:44:44,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:44,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:44,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:44,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:44:44,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:44,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 719 transitions, 24448 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:44,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:44,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:44,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:46,327 INFO L129 PetriNetUnfolder]: 2111/4960 cut-off events. [2021-03-24 14:44:46,327 INFO L130 PetriNetUnfolder]: For 197402/197455 co-relation queries the response was YES. [2021-03-24 14:44:46,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47872 conditions, 4960 events. 2111/4960 cut-off events. For 197402/197455 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 47020 event pairs, 430 based on Foata normal form. 8/4967 useless extension candidates. Maximal degree in co-relation 47604. Up to 2946 conditions per place. [2021-03-24 14:44:46,417 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 537 selfloop transitions, 211 changer transitions 1/756 dead transitions. [2021-03-24 14:44:46,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 756 transitions, 26755 flow [2021-03-24 14:44:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:44:46,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:44:46,418 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:44:46,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:44:46,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:46,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:44:46,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:46,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:46,424 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:46,424 INFO L185 Difference]: Start difference. First operand has 470 places, 719 transitions, 24448 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:44:46,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 756 transitions, 26755 flow [2021-03-24 14:44:47,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 756 transitions, 26374 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-24 14:44:47,471 INFO L241 Difference]: Finished difference. Result has 471 places, 729 transitions, 24942 flow [2021-03-24 14:44:47,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=24005, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=24942, PETRI_PLACES=471, PETRI_TRANSITIONS=729} [2021-03-24 14:44:47,471 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 448 predicate places. [2021-03-24 14:44:47,471 INFO L480 AbstractCegarLoop]: Abstraction has has 471 places, 729 transitions, 24942 flow [2021-03-24 14:44:47,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:47,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:47,472 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:47,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:47,672 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:47,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:47,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1924095367, now seen corresponding path program 46 times [2021-03-24 14:44:47,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:47,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343444925] [2021-03-24 14:44:47,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:47,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:47,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:47,683 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:44:47,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:47,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:47,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:47,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:47,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:47,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:47,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:47,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:47,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343444925] [2021-03-24 14:44:47,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:44:47,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:44:47,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694450431] [2021-03-24 14:44:47,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:47,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:47,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:47,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:44:47,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:47,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 729 transitions, 24942 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:47,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:47,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:47,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:49,376 INFO L129 PetriNetUnfolder]: 2109/4919 cut-off events. [2021-03-24 14:44:49,376 INFO L130 PetriNetUnfolder]: For 199918/199971 co-relation queries the response was YES. [2021-03-24 14:44:49,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47917 conditions, 4919 events. 2109/4919 cut-off events. For 199918/199971 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 46408 event pairs, 498 based on Foata normal form. 6/4924 useless extension candidates. Maximal degree in co-relation 47572. Up to 2574 conditions per place. [2021-03-24 14:44:49,475 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 552 selfloop transitions, 195 changer transitions 0/754 dead transitions. [2021-03-24 14:44:49,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 754 transitions, 26922 flow [2021-03-24 14:44:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:44:49,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:44:49,477 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:44:49,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:44:49,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:49,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:44:49,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:49,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:49,477 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:49,477 INFO L185 Difference]: Start difference. First operand has 471 places, 729 transitions, 24942 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:44:49,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 754 transitions, 26922 flow [2021-03-24 14:44:50,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 754 transitions, 26596 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-24 14:44:50,462 INFO L241 Difference]: Finished difference. Result has 475 places, 731 transitions, 25058 flow [2021-03-24 14:44:50,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=24618, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=25058, PETRI_PLACES=475, PETRI_TRANSITIONS=731} [2021-03-24 14:44:50,463 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 452 predicate places. [2021-03-24 14:44:50,463 INFO L480 AbstractCegarLoop]: Abstraction has has 475 places, 731 transitions, 25058 flow [2021-03-24 14:44:50,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:50,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:50,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:50,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-24 14:44:50,463 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:50,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:50,463 INFO L82 PathProgramCache]: Analyzing trace with hash 33142983, now seen corresponding path program 44 times [2021-03-24 14:44:50,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:50,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786645954] [2021-03-24 14:44:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:50,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:50,478 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 14:44:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:50,486 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-24 14:44:50,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:44:50,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:50,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:50,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:50,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786645954] [2021-03-24 14:44:50,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135866717] [2021-03-24 14:44:50,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:50,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:44:50,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:50,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:50,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:50,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,556 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:50,556 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:50,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:50,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:50,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:50,564 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,566 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:50,567 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,570 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:50,570 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,572 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:50,579 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:50,579 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:50,579 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,592 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:44:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:44:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:44:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:44:50,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,595 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:50,596 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:50,596 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-24 14:44:50,598 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:50,598 INFO L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-03-24 14:44:50,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 14:44:50,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:50,609 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-24 14:44:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:50,624 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:44:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:50,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:50,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:50,627 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:50,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:50,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:50,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:50,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:44:50,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728343113] [2021-03-24 14:44:50,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:50,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:50,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:50,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:44:50,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:50,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 731 transitions, 25058 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:50,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:50,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:50,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:52,297 INFO L129 PetriNetUnfolder]: 2108/4919 cut-off events. [2021-03-24 14:44:52,297 INFO L130 PetriNetUnfolder]: For 200153/200206 co-relation queries the response was YES. [2021-03-24 14:44:52,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47960 conditions, 4919 events. 2108/4919 cut-off events. For 200153/200206 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 46328 event pairs, 377 based on Foata normal form. 6/4924 useless extension candidates. Maximal degree in co-relation 47609. Up to 1894 conditions per place. [2021-03-24 14:44:52,388 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 514 selfloop transitions, 244 changer transitions 1/766 dead transitions. [2021-03-24 14:44:52,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 766 transitions, 27269 flow [2021-03-24 14:44:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:44:52,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:44:52,389 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:44:52,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:44:52,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:52,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:44:52,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:52,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:52,390 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:52,390 INFO L185 Difference]: Start difference. First operand has 475 places, 731 transitions, 25058 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:44:52,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 766 transitions, 27269 flow [2021-03-24 14:44:53,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 766 transitions, 26874 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 14:44:53,475 INFO L241 Difference]: Finished difference. Result has 477 places, 735 transitions, 25280 flow [2021-03-24 14:44:53,475 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=24665, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=240, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=25280, PETRI_PLACES=477, PETRI_TRANSITIONS=735} [2021-03-24 14:44:53,475 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 454 predicate places. [2021-03-24 14:44:53,475 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 735 transitions, 25280 flow [2021-03-24 14:44:53,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:53,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:53,476 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:53,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,26 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:53,676 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:53,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:53,676 INFO L82 PathProgramCache]: Analyzing trace with hash 727536971, now seen corresponding path program 45 times [2021-03-24 14:44:53,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:53,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119715391] [2021-03-24 14:44:53,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:53,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:53,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 14:44:53,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:53,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:53,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:53,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119715391] [2021-03-24 14:44:53,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820771203] [2021-03-24 14:44:53,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:53,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:44:53,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:53,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:53,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:53,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,747 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:53,747 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:53,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:53,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:53,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:53,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:53,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:53,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,757 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:53,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:53,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,759 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:53,759 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,760 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:53,762 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:53,762 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:53,763 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:53,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:53,772 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:44:53,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:53,778 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:44:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:44:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:44:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:44:53,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,780 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:53,781 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:53,782 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-03-24 14:44:53,783 INFO L147 QuantifierPusher]: treesize reduction 2, result has 71.4 percent of original size 5 [2021-03-24 14:44:53,783 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:53,783 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:53,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:53,793 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:44:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:53,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:53,799 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:53,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:53,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:53,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2021-03-24 14:44:53,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622176066] [2021-03-24 14:44:53,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:53,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:53,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:53,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:44:53,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:53,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 735 transitions, 25280 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:53,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:53,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:53,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:55,395 INFO L129 PetriNetUnfolder]: 2104/4907 cut-off events. [2021-03-24 14:44:55,395 INFO L130 PetriNetUnfolder]: For 201305/201358 co-relation queries the response was YES. [2021-03-24 14:44:55,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47908 conditions, 4907 events. 2104/4907 cut-off events. For 201305/201358 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 46182 event pairs, 313 based on Foata normal form. 8/4914 useless extension candidates. Maximal degree in co-relation 47399. Up to 1894 conditions per place. [2021-03-24 14:44:55,490 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 518 selfloop transitions, 247 changer transitions 1/773 dead transitions. [2021-03-24 14:44:55,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 773 transitions, 27550 flow [2021-03-24 14:44:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:55,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:44:55,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:44:55,491 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:44:55,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:44:55,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:55,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:44:55,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:55,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:55,492 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:55,492 INFO L185 Difference]: Start difference. First operand has 477 places, 735 transitions, 25280 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:44:55,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 773 transitions, 27550 flow [2021-03-24 14:44:56,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 773 transitions, 27174 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 14:44:56,613 INFO L241 Difference]: Finished difference. Result has 481 places, 735 transitions, 25437 flow [2021-03-24 14:44:56,614 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=24829, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=25437, PETRI_PLACES=481, PETRI_TRANSITIONS=735} [2021-03-24 14:44:56,614 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 458 predicate places. [2021-03-24 14:44:56,614 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 735 transitions, 25437 flow [2021-03-24 14:44:56,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:56,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:56,614 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:56,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable166 [2021-03-24 14:44:56,814 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:56,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:56,815 INFO L82 PathProgramCache]: Analyzing trace with hash -33457369, now seen corresponding path program 46 times [2021-03-24 14:44:56,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:56,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561029154] [2021-03-24 14:44:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:56,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:56,830 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:44:56,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:44:56,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:44:56,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:44:56,847 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:44:56,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:56,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:56,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561029154] [2021-03-24 14:44:56,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626659016] [2021-03-24 14:44:56,860 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:56,884 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:44:56,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:56,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:56,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:56,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,889 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:56,889 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:56,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,896 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:56,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:56,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:56,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:56,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:56,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,899 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:56,899 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:56,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,900 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:56,900 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:56,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,901 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:56,902 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:56,902 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:56,903 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:56,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:56,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:56,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:56,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:56,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:56,913 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:44:56,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:44:56,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:56,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:44:56,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:44:56,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,929 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:56,929 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:56,930 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-24 14:44:56,931 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:56,931 INFO L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-03-24 14:44:56,932 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 14:44:56,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:44:56,945 INFO L142 QuantifierPusher]: treesize reduction 7, result has 63.2 percent of original size [2021-03-24 14:44:56,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:56,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:56,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:56,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:56,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:56,959 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:44:56,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:56,964 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:56,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:56,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:44:56,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799209404] [2021-03-24 14:44:56,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:56,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:56,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:56,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:44:56,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:56,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 735 transitions, 25437 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:56,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:56,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:56,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:44:58,536 INFO L129 PetriNetUnfolder]: 2111/4920 cut-off events. [2021-03-24 14:44:58,536 INFO L130 PetriNetUnfolder]: For 204937/204990 co-relation queries the response was YES. [2021-03-24 14:44:58,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48272 conditions, 4920 events. 2111/4920 cut-off events. For 204937/204990 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 46275 event pairs, 378 based on Foata normal form. 6/4925 useless extension candidates. Maximal degree in co-relation 47764. Up to 1902 conditions per place. [2021-03-24 14:44:58,623 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 515 selfloop transitions, 249 changer transitions 1/772 dead transitions. [2021-03-24 14:44:58,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 772 transitions, 27712 flow [2021-03-24 14:44:58,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:44:58,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:44:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:44:58,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:44:58,624 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:44:58,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:44:58,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:44:58,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:44:58,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:58,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:58,625 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:58,625 INFO L185 Difference]: Start difference. First operand has 481 places, 735 transitions, 25437 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:44:58,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 772 transitions, 27712 flow [2021-03-24 14:44:59,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 772 transitions, 27296 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-24 14:44:59,634 INFO L241 Difference]: Finished difference. Result has 479 places, 741 transitions, 25721 flow [2021-03-24 14:44:59,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=24996, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=25721, PETRI_PLACES=479, PETRI_TRANSITIONS=741} [2021-03-24 14:44:59,634 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 456 predicate places. [2021-03-24 14:44:59,634 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 741 transitions, 25721 flow [2021-03-24 14:44:59,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:59,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:44:59,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:44:59,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable170 [2021-03-24 14:44:59,835 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:44:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:44:59,835 INFO L82 PathProgramCache]: Analyzing trace with hash -2019123393, now seen corresponding path program 47 times [2021-03-24 14:44:59,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:44:59,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312519912] [2021-03-24 14:44:59,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:44:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:44:59,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:59,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:44:59,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:44:59,864 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:44:59,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:59,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:59,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312519912] [2021-03-24 14:44:59,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595867523] [2021-03-24 14:44:59,879 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:44:59,908 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:44:59,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:44:59,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:44:59,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:44:59,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,913 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:44:59,913 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:44:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,920 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:59,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:59,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:59,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:59,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,923 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:59,924 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:59,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,925 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:59,925 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:59,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,926 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:44:59,927 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:59,928 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:44:59,928 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:59,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:44:59,937 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:44:59,937 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:44:59,938 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:44:59,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:59,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:44:59,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:44:59,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:44:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:44:59,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:59,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:44:59,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:44:59,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,959 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:44:59,960 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:44:59,960 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-24 14:44:59,961 INFO L147 QuantifierPusher]: treesize reduction 2, result has 66.7 percent of original size 4 [2021-03-24 14:44:59,961 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:44:59,961 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:44:59,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:44:59,970 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:44:59,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:44:59,974 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:44:59,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:44:59,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:44:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:44:59,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:44:59,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:44:59,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126795568] [2021-03-24 14:44:59,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:44:59,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:44:59,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:44:59,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:44:59,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:44:59,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 741 transitions, 25721 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:44:59,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:44:59,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:44:59,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:01,463 INFO L129 PetriNetUnfolder]: 2109/4901 cut-off events. [2021-03-24 14:45:01,463 INFO L130 PetriNetUnfolder]: For 208651/208682 co-relation queries the response was YES. [2021-03-24 14:45:01,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48554 conditions, 4901 events. 2109/4901 cut-off events. For 208651/208682 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 45854 event pairs, 266 based on Foata normal form. 2/4902 useless extension candidates. Maximal degree in co-relation 48046. Up to 1902 conditions per place. [2021-03-24 14:45:01,548 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 499 selfloop transitions, 271 changer transitions 1/778 dead transitions. [2021-03-24 14:45:01,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 778 transitions, 27974 flow [2021-03-24 14:45:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:45:01,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:45:01,549 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:45:01,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:45:01,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:01,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:45:01,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:01,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:01,550 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:01,550 INFO L185 Difference]: Start difference. First operand has 479 places, 741 transitions, 25721 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:45:01,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 778 transitions, 27974 flow [2021-03-24 14:45:02,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 778 transitions, 27727 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-24 14:45:02,621 INFO L241 Difference]: Finished difference. Result has 483 places, 743 transitions, 26104 flow [2021-03-24 14:45:02,621 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25452, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26104, PETRI_PLACES=483, PETRI_TRANSITIONS=743} [2021-03-24 14:45:02,621 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 460 predicate places. [2021-03-24 14:45:02,621 INFO L480 AbstractCegarLoop]: Abstraction has has 483 places, 743 transitions, 26104 flow [2021-03-24 14:45:02,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:02,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:02,622 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:02,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:02,822 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:02,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:02,822 INFO L82 PathProgramCache]: Analyzing trace with hash 408253913, now seen corresponding path program 48 times [2021-03-24 14:45:02,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:02,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081296644] [2021-03-24 14:45:02,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:02,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:02,834 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 14:45:02,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:45:02,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:02,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:02,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081296644] [2021-03-24 14:45:02,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332535083] [2021-03-24 14:45:02,862 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:02,886 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:45:02,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:45:02,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:45:02,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:45:02,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,893 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:45:02,893 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:45:02,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,902 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:45:02,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:45:02,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:02,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:45:02,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:45:02,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,904 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:02,905 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:02,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,907 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:02,908 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:02,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,911 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:45:02,912 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:45:02,912 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:45:02,912 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:45:02,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:02,922 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:45:02,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:02,926 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:45:02,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:45:02,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:02,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:45:02,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:45:02,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,928 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:02,929 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:02,929 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-24 14:45:02,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:45:02,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:02,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:02,941 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:45:02,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:02,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:02,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:45:02,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:02,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:02,944 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:45:02,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:02,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:45:02,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2021-03-24 14:45:02,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395244430] [2021-03-24 14:45:02,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:02,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:02,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:02,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:45:02,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:02,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 743 transitions, 26104 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:02,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:02,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:02,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:04,561 INFO L129 PetriNetUnfolder]: 2108/4919 cut-off events. [2021-03-24 14:45:04,561 INFO L130 PetriNetUnfolder]: For 213575/213606 co-relation queries the response was YES. [2021-03-24 14:45:04,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48805 conditions, 4919 events. 2108/4919 cut-off events. For 213575/213606 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 46327 event pairs, 420 based on Foata normal form. 2/4920 useless extension candidates. Maximal degree in co-relation 48290. Up to 2940 conditions per place. [2021-03-24 14:45:04,654 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 553 selfloop transitions, 211 changer transitions 1/772 dead transitions. [2021-03-24 14:45:04,654 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 772 transitions, 28135 flow [2021-03-24 14:45:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:04,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:04,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:45:04,655 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:45:04,655 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:45:04,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:45:04,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:04,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:45:04,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:04,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:04,656 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:04,656 INFO L185 Difference]: Start difference. First operand has 483 places, 743 transitions, 26104 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:45:04,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 772 transitions, 28135 flow [2021-03-24 14:45:05,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 772 transitions, 27691 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:45:05,831 INFO L241 Difference]: Finished difference. Result has 485 places, 744 transitions, 26155 flow [2021-03-24 14:45:05,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25627, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=742, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26155, PETRI_PLACES=485, PETRI_TRANSITIONS=744} [2021-03-24 14:45:05,832 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 462 predicate places. [2021-03-24 14:45:05,832 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 744 transitions, 26155 flow [2021-03-24 14:45:05,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:05,832 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:05,832 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:06,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable178 [2021-03-24 14:45:06,033 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:06,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:06,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1253018277, now seen corresponding path program 47 times [2021-03-24 14:45:06,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:06,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019353032] [2021-03-24 14:45:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:06,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:06,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:06,041 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:45:06,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:45:06,053 INFO L142 QuantifierPusher]: treesize reduction 8, result has 73.3 percent of original size [2021-03-24 14:45:06,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:45:06,069 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-24 14:45:06,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:06,076 INFO L142 QuantifierPusher]: treesize reduction 11, result has 50.0 percent of original size [2021-03-24 14:45:06,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:06,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-03-24 14:45:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:45:06,091 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:45:06,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:45:06,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:06,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:06,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019353032] [2021-03-24 14:45:06,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:06,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 14:45:06,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100871732] [2021-03-24 14:45:06,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:45:06,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:06,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:45:06,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:45:06,099 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:45:06,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 744 transitions, 26155 flow. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:06,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:06,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:45:06,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:07,835 INFO L129 PetriNetUnfolder]: 2106/4871 cut-off events. [2021-03-24 14:45:07,835 INFO L130 PetriNetUnfolder]: For 213071/213120 co-relation queries the response was YES. [2021-03-24 14:45:07,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48993 conditions, 4871 events. 2106/4871 cut-off events. For 213071/213120 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 45543 event pairs, 503 based on Foata normal form. 8/4878 useless extension candidates. Maximal degree in co-relation 48484. Up to 2719 conditions per place. [2021-03-24 14:45:07,924 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 627 selfloop transitions, 155 changer transitions 0/788 dead transitions. [2021-03-24 14:45:07,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 788 transitions, 28446 flow [2021-03-24 14:45:07,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2021-03-24 14:45:07,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6945812807881774 [2021-03-24 14:45:07,925 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 141 transitions. [2021-03-24 14:45:07,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 141 transitions. [2021-03-24 14:45:07,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:07,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 141 transitions. [2021-03-24 14:45:07,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:07,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:07,926 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:07,926 INFO L185 Difference]: Start difference. First operand has 485 places, 744 transitions, 26155 flow. Second operand 7 states and 141 transitions. [2021-03-24 14:45:07,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 788 transitions, 28446 flow [2021-03-24 14:45:08,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 788 transitions, 28066 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:45:08,917 INFO L241 Difference]: Finished difference. Result has 490 places, 747 transitions, 26213 flow [2021-03-24 14:45:08,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25701, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=742, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26213, PETRI_PLACES=490, PETRI_TRANSITIONS=747} [2021-03-24 14:45:08,918 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 467 predicate places. [2021-03-24 14:45:08,918 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 747 transitions, 26213 flow [2021-03-24 14:45:08,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:08,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:08,918 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:08,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-24 14:45:08,918 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:08,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:08,918 INFO L82 PathProgramCache]: Analyzing trace with hash 611127519, now seen corresponding path program 49 times [2021-03-24 14:45:08,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:08,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663208074] [2021-03-24 14:45:08,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:08,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:08,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:08,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:08,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:08,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:08,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:45:08,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:08,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:08,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:45:08,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:08,956 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-24 14:45:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:08,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:08,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:08,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663208074] [2021-03-24 14:45:08,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:08,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:08,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861551639] [2021-03-24 14:45:08,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:08,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:08,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:08,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:08,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:08,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 747 transitions, 26213 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:08,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:08,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:08,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:10,675 INFO L129 PetriNetUnfolder]: 2105/4863 cut-off events. [2021-03-24 14:45:10,675 INFO L130 PetriNetUnfolder]: For 212587/212640 co-relation queries the response was YES. [2021-03-24 14:45:10,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48760 conditions, 4863 events. 2105/4863 cut-off events. For 212587/212640 co-relation queries the response was YES. Maximal size of possible extension queue 561. Compared 45397 event pairs, 472 based on Foata normal form. 5/4867 useless extension candidates. Maximal degree in co-relation 48249. Up to 2566 conditions per place. [2021-03-24 14:45:10,755 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 564 selfloop transitions, 197 changer transitions 1/769 dead transitions. [2021-03-24 14:45:10,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 769 transitions, 28032 flow [2021-03-24 14:45:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 14:45:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 14:45:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 171 transitions. [2021-03-24 14:45:10,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7370689655172413 [2021-03-24 14:45:10,756 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 171 transitions. [2021-03-24 14:45:10,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 171 transitions. [2021-03-24 14:45:10,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:10,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 171 transitions. [2021-03-24 14:45:10,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:10,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:10,756 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:10,756 INFO L185 Difference]: Start difference. First operand has 490 places, 747 transitions, 26213 flow. Second operand 8 states and 171 transitions. [2021-03-24 14:45:10,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 769 transitions, 28032 flow [2021-03-24 14:45:11,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 769 transitions, 27802 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-24 14:45:11,707 INFO L241 Difference]: Finished difference. Result has 495 places, 745 transitions, 26311 flow [2021-03-24 14:45:11,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25944, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=26311, PETRI_PLACES=495, PETRI_TRANSITIONS=745} [2021-03-24 14:45:11,708 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 472 predicate places. [2021-03-24 14:45:11,708 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 745 transitions, 26311 flow [2021-03-24 14:45:11,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:11,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:11,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:11,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-24 14:45:11,708 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:11,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:11,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1532920301, now seen corresponding path program 50 times [2021-03-24 14:45:11,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:11,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765074694] [2021-03-24 14:45:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:11,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:11,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:45:11,728 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:45:11,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:45:11,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:45:11,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:11,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:11,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765074694] [2021-03-24 14:45:11,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563419749] [2021-03-24 14:45:11,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:11,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:45:11,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:45:11,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:45:11,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:45:11,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,783 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:45:11,784 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:45:11,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,791 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:45:11,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:45:11,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:11,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:45:11,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:45:11,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,793 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:11,793 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:11,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,794 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:11,794 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:11,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,796 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:45:11,797 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:45:11,797 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:45:11,798 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:45:11,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:11,809 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:45:11,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:45:11,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:11,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:45:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:45:11,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,812 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:11,813 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:11,813 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-24 14:45:11,815 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:45:11,815 INFO L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-03-24 14:45:11,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 14:45:11,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:11,831 INFO L142 QuantifierPusher]: treesize reduction 7, result has 63.2 percent of original size [2021-03-24 14:45:11,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:11,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:11,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:45:11,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:11,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:11,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:11,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:11,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:11,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:11,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:11,850 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:45:11,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:11,857 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:45:11,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:11,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:11,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:45:11,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:45:11,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209820776] [2021-03-24 14:45:11,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:11,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:11,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:11,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:45:11,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:11,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 745 transitions, 26311 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:11,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:11,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:11,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:13,555 INFO L129 PetriNetUnfolder]: 2103/4863 cut-off events. [2021-03-24 14:45:13,555 INFO L130 PetriNetUnfolder]: For 213817/213870 co-relation queries the response was YES. [2021-03-24 14:45:13,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48822 conditions, 4863 events. 2103/4863 cut-off events. For 213817/213870 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 45370 event pairs, 376 based on Foata normal form. 6/4868 useless extension candidates. Maximal degree in co-relation 48310. Up to 1904 conditions per place. [2021-03-24 14:45:13,646 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 520 selfloop transitions, 252 changer transitions 1/780 dead transitions. [2021-03-24 14:45:13,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 780 transitions, 28661 flow [2021-03-24 14:45:13,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:13,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:45:13,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:45:13,647 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:45:13,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:45:13,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:13,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:45:13,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:13,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:13,647 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:13,647 INFO L185 Difference]: Start difference. First operand has 495 places, 745 transitions, 26311 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:45:13,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 780 transitions, 28661 flow [2021-03-24 14:45:14,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 780 transitions, 27728 flow, removed 54 selfloop flow, removed 13 redundant places. [2021-03-24 14:45:14,756 INFO L241 Difference]: Finished difference. Result has 488 places, 749 transitions, 26124 flow [2021-03-24 14:45:14,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25361, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=744, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26124, PETRI_PLACES=488, PETRI_TRANSITIONS=749} [2021-03-24 14:45:14,756 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 465 predicate places. [2021-03-24 14:45:14,756 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 749 transitions, 26124 flow [2021-03-24 14:45:14,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:14,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:14,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:14,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:14,972 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:14,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:14,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1596303581, now seen corresponding path program 48 times [2021-03-24 14:45:14,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:14,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742856479] [2021-03-24 14:45:14,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:14,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:14,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:14,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:14,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:14,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:45:14,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:45:15,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:15,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:15,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:15,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:15,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:15,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:15,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:15,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:15,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742856479] [2021-03-24 14:45:15,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:15,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:15,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076216854] [2021-03-24 14:45:15,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:15,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:15,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:15,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:15,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:15,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 749 transitions, 26124 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:15,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:15,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:15,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:16,914 INFO L129 PetriNetUnfolder]: 2102/4854 cut-off events. [2021-03-24 14:45:16,914 INFO L130 PetriNetUnfolder]: For 208597/208650 co-relation queries the response was YES. [2021-03-24 14:45:16,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48273 conditions, 4854 events. 2102/4854 cut-off events. For 208597/208650 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 45313 event pairs, 488 based on Foata normal form. 5/4858 useless extension candidates. Maximal degree in co-relation 47819. Up to 2560 conditions per place. [2021-03-24 14:45:17,002 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 570 selfloop transitions, 195 changer transitions 1/773 dead transitions. [2021-03-24 14:45:17,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 773 transitions, 28096 flow [2021-03-24 14:45:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:45:17,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:45:17,002 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:45:17,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:45:17,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:17,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:45:17,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:17,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:17,003 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:17,003 INFO L185 Difference]: Start difference. First operand has 488 places, 749 transitions, 26124 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:45:17,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 773 transitions, 28096 flow [2021-03-24 14:45:17,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 773 transitions, 27887 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-24 14:45:18,004 INFO L241 Difference]: Finished difference. Result has 493 places, 748 transitions, 26252 flow [2021-03-24 14:45:18,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25857, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=195, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26252, PETRI_PLACES=493, PETRI_TRANSITIONS=748} [2021-03-24 14:45:18,004 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 470 predicate places. [2021-03-24 14:45:18,004 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 748 transitions, 26252 flow [2021-03-24 14:45:18,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:18,004 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:18,005 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:18,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-24 14:45:18,005 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:18,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:18,005 INFO L82 PathProgramCache]: Analyzing trace with hash 228460655, now seen corresponding path program 51 times [2021-03-24 14:45:18,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:18,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081034832] [2021-03-24 14:45:18,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:18,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:18,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:18,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:18,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:18,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:45:18,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:18,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:18,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:18,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:18,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:18,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:18,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081034832] [2021-03-24 14:45:18,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:18,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:18,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647395378] [2021-03-24 14:45:18,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:18,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:18,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:18,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:18,056 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:18,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 748 transitions, 26252 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:18,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:18,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:18,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:19,699 INFO L129 PetriNetUnfolder]: 2101/4857 cut-off events. [2021-03-24 14:45:19,699 INFO L130 PetriNetUnfolder]: For 211587/211640 co-relation queries the response was YES. [2021-03-24 14:45:19,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48349 conditions, 4857 events. 2101/4857 cut-off events. For 211587/211640 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 45252 event pairs, 376 based on Foata normal form. 5/4861 useless extension candidates. Maximal degree in co-relation 47990. Up to 1904 conditions per place. [2021-03-24 14:45:19,798 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 522 selfloop transitions, 246 changer transitions 2/777 dead transitions. [2021-03-24 14:45:19,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 777 transitions, 28340 flow [2021-03-24 14:45:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:45:19,799 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:45:19,799 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:45:19,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:45:19,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:19,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:45:19,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:19,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:19,799 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:19,799 INFO L185 Difference]: Start difference. First operand has 493 places, 748 transitions, 26252 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:45:19,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 777 transitions, 28340 flow [2021-03-24 14:45:20,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 777 transitions, 27758 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-24 14:45:20,851 INFO L241 Difference]: Finished difference. Result has 492 places, 746 transitions, 26101 flow [2021-03-24 14:45:20,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25638, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=747, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=246, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26101, PETRI_PLACES=492, PETRI_TRANSITIONS=746} [2021-03-24 14:45:20,851 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 469 predicate places. [2021-03-24 14:45:20,852 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 746 transitions, 26101 flow [2021-03-24 14:45:20,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:20,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:20,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:20,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-24 14:45:20,852 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:20,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:20,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1586302591, now seen corresponding path program 49 times [2021-03-24 14:45:20,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:20,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573280340] [2021-03-24 14:45:20,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:20,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:20,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:20,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:20,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:20,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:20,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:45:20,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:20,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:20,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:20,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:20,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:20,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:20,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:20,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573280340] [2021-03-24 14:45:20,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:20,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:20,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604638472] [2021-03-24 14:45:20,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:20,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:20,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:20,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:20,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:20,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 746 transitions, 26101 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:20,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:20,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:20,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:22,441 INFO L129 PetriNetUnfolder]: 2100/4835 cut-off events. [2021-03-24 14:45:22,441 INFO L130 PetriNetUnfolder]: For 210039/210092 co-relation queries the response was YES. [2021-03-24 14:45:22,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48194 conditions, 4835 events. 2100/4835 cut-off events. For 210039/210092 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 44883 event pairs, 483 based on Foata normal form. 6/4840 useless extension candidates. Maximal degree in co-relation 47834. Up to 2557 conditions per place. [2021-03-24 14:45:22,528 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 551 selfloop transitions, 208 changer transitions 0/766 dead transitions. [2021-03-24 14:45:22,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 766 transitions, 27957 flow [2021-03-24 14:45:22,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:22,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:45:22,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:45:22,529 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:45:22,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:45:22,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:22,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:45:22,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:22,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:22,529 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:22,529 INFO L185 Difference]: Start difference. First operand has 492 places, 746 transitions, 26101 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:45:22,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 766 transitions, 27957 flow [2021-03-24 14:45:23,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 766 transitions, 27462 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-03-24 14:45:23,495 INFO L241 Difference]: Finished difference. Result has 489 places, 745 transitions, 26000 flow [2021-03-24 14:45:23,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25584, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=745, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26000, PETRI_PLACES=489, PETRI_TRANSITIONS=745} [2021-03-24 14:45:23,496 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 466 predicate places. [2021-03-24 14:45:23,496 INFO L480 AbstractCegarLoop]: Abstraction has has 489 places, 745 transitions, 26000 flow [2021-03-24 14:45:23,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:23,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:23,496 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:23,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-24 14:45:23,496 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:23,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:23,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1206000981, now seen corresponding path program 50 times [2021-03-24 14:45:23,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:23,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529526888] [2021-03-24 14:45:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:23,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:23,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:23,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:23,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:23,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:45:23,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:23,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:45:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:23,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:23,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:23,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:23,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529526888] [2021-03-24 14:45:23,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:23,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:23,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829934991] [2021-03-24 14:45:23,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:23,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:23,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:23,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:23,535 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:23,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 745 transitions, 26000 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:23,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:23,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:23,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:25,088 INFO L129 PetriNetUnfolder]: 2096/4816 cut-off events. [2021-03-24 14:45:25,089 INFO L130 PetriNetUnfolder]: For 207768/207821 co-relation queries the response was YES. [2021-03-24 14:45:25,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47988 conditions, 4816 events. 2096/4816 cut-off events. For 207768/207821 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 44629 event pairs, 503 based on Foata normal form. 8/4823 useless extension candidates. Maximal degree in co-relation 47632. Up to 2557 conditions per place. [2021-03-24 14:45:25,177 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 570 selfloop transitions, 192 changer transitions 1/770 dead transitions. [2021-03-24 14:45:25,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 770 transitions, 27969 flow [2021-03-24 14:45:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:25,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:45:25,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:45:25,178 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:45:25,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:45:25,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:25,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:45:25,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:25,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:25,179 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:25,179 INFO L185 Difference]: Start difference. First operand has 489 places, 745 transitions, 26000 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:45:25,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 770 transitions, 27969 flow [2021-03-24 14:45:26,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 770 transitions, 27587 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-24 14:45:26,201 INFO L241 Difference]: Finished difference. Result has 492 places, 748 transitions, 26099 flow [2021-03-24 14:45:26,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25621, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=745, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26099, PETRI_PLACES=492, PETRI_TRANSITIONS=748} [2021-03-24 14:45:26,202 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 469 predicate places. [2021-03-24 14:45:26,202 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 748 transitions, 26099 flow [2021-03-24 14:45:26,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:26,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:26,202 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:26,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-24 14:45:26,202 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:26,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:26,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1082055089, now seen corresponding path program 51 times [2021-03-24 14:45:26,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:26,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513252979] [2021-03-24 14:45:26,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:26,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:26,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:26,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:26,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:26,213 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:45:26,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:45:26,220 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:45:26,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:26,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:26,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:26,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:26,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:26,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513252979] [2021-03-24 14:45:26,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:26,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:26,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496060550] [2021-03-24 14:45:26,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:26,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:26,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:26,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:26,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:26,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 748 transitions, 26099 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:26,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:26,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:26,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:27,811 INFO L129 PetriNetUnfolder]: 2092/4810 cut-off events. [2021-03-24 14:45:27,811 INFO L130 PetriNetUnfolder]: For 207230/207261 co-relation queries the response was YES. [2021-03-24 14:45:27,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47915 conditions, 4810 events. 2092/4810 cut-off events. For 207230/207261 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 44587 event pairs, 498 based on Foata normal form. 4/4813 useless extension candidates. Maximal degree in co-relation 47603. Up to 2557 conditions per place. [2021-03-24 14:45:27,897 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 568 selfloop transitions, 191 changer transitions 1/767 dead transitions. [2021-03-24 14:45:27,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 767 transitions, 27892 flow [2021-03-24 14:45:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:45:27,898 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:45:27,898 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:45:27,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:45:27,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:27,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:45:27,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:27,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:27,899 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:27,899 INFO L185 Difference]: Start difference. First operand has 492 places, 748 transitions, 26099 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:45:27,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 767 transitions, 27892 flow [2021-03-24 14:45:28,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 767 transitions, 27614 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-24 14:45:28,867 INFO L241 Difference]: Finished difference. Result has 498 places, 747 transitions, 26155 flow [2021-03-24 14:45:28,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25744, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26155, PETRI_PLACES=498, PETRI_TRANSITIONS=747} [2021-03-24 14:45:28,868 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 475 predicate places. [2021-03-24 14:45:28,868 INFO L480 AbstractCegarLoop]: Abstraction has has 498 places, 747 transitions, 26155 flow [2021-03-24 14:45:28,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:28,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:28,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:28,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-24 14:45:28,869 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:28,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1484987873, now seen corresponding path program 52 times [2021-03-24 14:45:28,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:28,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131923338] [2021-03-24 14:45:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:28,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:28,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 14:45:28,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:45:28,889 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-24 14:45:28,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:45:28,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:28,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:28,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131923338] [2021-03-24 14:45:28,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048054646] [2021-03-24 14:45:28,914 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:28,939 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:45:28,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:45:28,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:45:28,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:45:28,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:28,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,944 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:45:28,944 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:45:28,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,953 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:45:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:45:28,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:28,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:45:28,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:45:28,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,955 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:28,956 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:28,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,957 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:28,958 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:28,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,959 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:45:28,959 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:45:28,959 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:45:28,959 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:45:28,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:45:28,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:45:28,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:28,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:45:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:45:28,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,971 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:45:28,972 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:28,972 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-03-24 14:45:28,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:28,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:28,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:28,984 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-24 14:45:28,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:28,998 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:45:28,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:28,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:28,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:28,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:45:29,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:29,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:29,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:29,001 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:45:29,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:29,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:45:29,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:45:29,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753586605] [2021-03-24 14:45:29,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:29,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:29,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:29,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:45:29,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:29,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 747 transitions, 26155 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:29,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:29,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:29,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:30,594 INFO L129 PetriNetUnfolder]: 2088/4807 cut-off events. [2021-03-24 14:45:30,594 INFO L130 PetriNetUnfolder]: For 208917/208970 co-relation queries the response was YES. [2021-03-24 14:45:30,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47873 conditions, 4807 events. 2088/4807 cut-off events. For 208917/208970 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 44515 event pairs, 419 based on Foata normal form. 8/4814 useless extension candidates. Maximal degree in co-relation 47576. Up to 2908 conditions per place. [2021-03-24 14:45:30,686 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 548 selfloop transitions, 218 changer transitions 1/774 dead transitions. [2021-03-24 14:45:30,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 774 transitions, 28220 flow [2021-03-24 14:45:30,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:45:30,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:45:30,687 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:45:30,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:45:30,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:30,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:45:30,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:30,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:30,688 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:30,688 INFO L185 Difference]: Start difference. First operand has 498 places, 747 transitions, 26155 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:45:30,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 774 transitions, 28220 flow [2021-03-24 14:45:31,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 774 transitions, 27857 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 14:45:31,707 INFO L241 Difference]: Finished difference. Result has 501 places, 751 transitions, 26433 flow [2021-03-24 14:45:31,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=25773, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26433, PETRI_PLACES=501, PETRI_TRANSITIONS=751} [2021-03-24 14:45:31,707 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 478 predicate places. [2021-03-24 14:45:31,707 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 751 transitions, 26433 flow [2021-03-24 14:45:31,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:31,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:31,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:31,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:31,924 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:31,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:31,924 INFO L82 PathProgramCache]: Analyzing trace with hash 88194987, now seen corresponding path program 52 times [2021-03-24 14:45:31,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:31,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677171756] [2021-03-24 14:45:31,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:31,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:31,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:31,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:31,935 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:45:31,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:45:31,943 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:45:31,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:31,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:31,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:31,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:31,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:31,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:31,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:31,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677171756] [2021-03-24 14:45:31,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:31,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:31,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350516075] [2021-03-24 14:45:31,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:31,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:31,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:31,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:31,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:31,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 751 transitions, 26433 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:31,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:31,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:31,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:33,716 INFO L129 PetriNetUnfolder]: 2086/4756 cut-off events. [2021-03-24 14:45:33,716 INFO L130 PetriNetUnfolder]: For 210723/210776 co-relation queries the response was YES. [2021-03-24 14:45:33,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47836 conditions, 4756 events. 2086/4756 cut-off events. For 210723/210776 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43694 event pairs, 502 based on Foata normal form. 8/4763 useless extension candidates. Maximal degree in co-relation 47336. Up to 2547 conditions per place. [2021-03-24 14:45:33,846 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 571 selfloop transitions, 193 changer transitions 0/771 dead transitions. [2021-03-24 14:45:33,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 771 transitions, 28298 flow [2021-03-24 14:45:33,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:45:33,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:45:33,847 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:45:33,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:45:33,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:33,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:45:33,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:33,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:33,848 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:33,848 INFO L185 Difference]: Start difference. First operand has 501 places, 751 transitions, 26433 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:45:33,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 771 transitions, 28298 flow [2021-03-24 14:45:34,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 771 transitions, 27914 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 14:45:34,913 INFO L241 Difference]: Finished difference. Result has 504 places, 753 transitions, 26499 flow [2021-03-24 14:45:34,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=26051, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=751, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26499, PETRI_PLACES=504, PETRI_TRANSITIONS=753} [2021-03-24 14:45:34,913 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 481 predicate places. [2021-03-24 14:45:34,913 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 753 transitions, 26499 flow [2021-03-24 14:45:34,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:34,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:34,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:34,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-24 14:45:34,914 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:34,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:34,914 INFO L82 PathProgramCache]: Analyzing trace with hash 385197125, now seen corresponding path program 53 times [2021-03-24 14:45:34,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:34,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710289242] [2021-03-24 14:45:34,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:34,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:34,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:34,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:34,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:45:34,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:34,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:45:34,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:34,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:34,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:34,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:34,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:34,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:34,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710289242] [2021-03-24 14:45:34,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:34,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:34,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500803093] [2021-03-24 14:45:34,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:34,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:34,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:34,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:34,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:34,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 753 transitions, 26499 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:34,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:34,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:34,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:36,535 INFO L129 PetriNetUnfolder]: 2084/4749 cut-off events. [2021-03-24 14:45:36,535 INFO L130 PetriNetUnfolder]: For 210040/210093 co-relation queries the response was YES. [2021-03-24 14:45:36,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47776 conditions, 4749 events. 2084/4749 cut-off events. For 210040/210093 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 43580 event pairs, 502 based on Foata normal form. 8/4756 useless extension candidates. Maximal degree in co-relation 47422. Up to 2547 conditions per place. [2021-03-24 14:45:36,630 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 567 selfloop transitions, 197 changer transitions 0/771 dead transitions. [2021-03-24 14:45:36,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 771 transitions, 28341 flow [2021-03-24 14:45:36,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:45:36,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:45:36,631 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:45:36,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:45:36,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:36,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:45:36,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:36,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:36,632 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:36,632 INFO L185 Difference]: Start difference. First operand has 504 places, 753 transitions, 26499 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:45:36,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 771 transitions, 28341 flow [2021-03-24 14:45:37,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 771 transitions, 28055 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-24 14:45:37,705 INFO L241 Difference]: Finished difference. Result has 509 places, 754 transitions, 26647 flow [2021-03-24 14:45:37,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=26216, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=753, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=196, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26647, PETRI_PLACES=509, PETRI_TRANSITIONS=754} [2021-03-24 14:45:37,705 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 486 predicate places. [2021-03-24 14:45:37,705 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 754 transitions, 26647 flow [2021-03-24 14:45:37,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:37,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:37,706 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:37,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-24 14:45:37,706 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:37,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:37,706 INFO L82 PathProgramCache]: Analyzing trace with hash 132198791, now seen corresponding path program 54 times [2021-03-24 14:45:37,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:37,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3119020] [2021-03-24 14:45:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:37,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:37,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:37,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:37,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:37,718 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:45:37,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:45:37,726 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:45:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:37,734 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:45:37,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:37,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:37,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:37,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:37,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3119020] [2021-03-24 14:45:37,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:37,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:37,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715117656] [2021-03-24 14:45:37,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:37,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:37,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:37,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:37,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:37,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 754 transitions, 26647 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:37,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:37,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:37,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:39,457 INFO L129 PetriNetUnfolder]: 2083/4739 cut-off events. [2021-03-24 14:45:39,457 INFO L130 PetriNetUnfolder]: For 211708/211761 co-relation queries the response was YES. [2021-03-24 14:45:39,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47762 conditions, 4739 events. 2083/4739 cut-off events. For 211708/211761 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 43456 event pairs, 497 based on Foata normal form. 6/4744 useless extension candidates. Maximal degree in co-relation 47476. Up to 2547 conditions per place. [2021-03-24 14:45:39,553 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 566 selfloop transitions, 198 changer transitions 0/771 dead transitions. [2021-03-24 14:45:39,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 771 transitions, 28443 flow [2021-03-24 14:45:39,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:45:39,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:45:39,554 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:45:39,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:45:39,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:39,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:45:39,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:39,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:39,554 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:39,554 INFO L185 Difference]: Start difference. First operand has 509 places, 754 transitions, 26647 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:45:39,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 771 transitions, 28443 flow [2021-03-24 14:45:40,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 771 transitions, 28061 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-24 14:45:40,669 INFO L241 Difference]: Finished difference. Result has 509 places, 754 transitions, 26656 flow [2021-03-24 14:45:40,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=26236, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=753, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26656, PETRI_PLACES=509, PETRI_TRANSITIONS=754} [2021-03-24 14:45:40,670 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 486 predicate places. [2021-03-24 14:45:40,670 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 754 transitions, 26656 flow [2021-03-24 14:45:40,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:40,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:40,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:40,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-24 14:45:40,670 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:40,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:40,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1653691827, now seen corresponding path program 55 times [2021-03-24 14:45:40,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:40,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363400249] [2021-03-24 14:45:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:40,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:40,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:40,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:40,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:40,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:40,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:45:40,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:40,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:45:40,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:40,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:40,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:40,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:40,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:40,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:40,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363400249] [2021-03-24 14:45:40,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:40,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:40,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809608691] [2021-03-24 14:45:40,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:40,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:40,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:40,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:40,712 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:40,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 754 transitions, 26656 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:40,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:40,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:40,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:42,298 INFO L129 PetriNetUnfolder]: 2082/4729 cut-off events. [2021-03-24 14:45:42,298 INFO L130 PetriNetUnfolder]: For 211281/211334 co-relation queries the response was YES. [2021-03-24 14:45:42,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47646 conditions, 4729 events. 2082/4729 cut-off events. For 211281/211334 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 43279 event pairs, 501 based on Foata normal form. 6/4734 useless extension candidates. Maximal degree in co-relation 47411. Up to 2547 conditions per place. [2021-03-24 14:45:42,386 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 570 selfloop transitions, 195 changer transitions 0/772 dead transitions. [2021-03-24 14:45:42,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 772 transitions, 28468 flow [2021-03-24 14:45:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:45:42,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:45:42,387 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:45:42,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:45:42,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:42,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:45:42,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:42,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:42,387 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:42,387 INFO L185 Difference]: Start difference. First operand has 509 places, 754 transitions, 26656 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:45:42,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 772 transitions, 28468 flow [2021-03-24 14:45:43,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 772 transitions, 28006 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-03-24 14:45:43,573 INFO L241 Difference]: Finished difference. Result has 508 places, 755 transitions, 26611 flow [2021-03-24 14:45:43,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=26161, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=753, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26611, PETRI_PLACES=508, PETRI_TRANSITIONS=755} [2021-03-24 14:45:43,573 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 485 predicate places. [2021-03-24 14:45:43,574 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 755 transitions, 26611 flow [2021-03-24 14:45:43,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:43,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:43,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:43,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-24 14:45:43,574 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:43,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:43,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1890296285, now seen corresponding path program 53 times [2021-03-24 14:45:43,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:43,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010815004] [2021-03-24 14:45:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:43,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:43,588 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 14:45:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:45:43,596 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:45:43,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:45:43,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:45:43,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:43,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010815004] [2021-03-24 14:45:43,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142211344] [2021-03-24 14:45:43,623 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:43,667 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:45:43,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:45:43,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:45:43,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:45:43,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,673 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:45:43,674 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:45:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,683 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:45:43,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:45:43,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:43,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:45:43,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:45:43,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,685 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:43,685 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:43,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,687 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:43,687 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:43,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,690 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:45:43,690 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:45:43,690 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:45:43,690 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:45:43,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:43,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:45:43,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:45:43,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:43,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:45:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:45:43,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,702 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:45:43,702 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:43,703 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-03-24 14:45:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:43,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:43,715 INFO L142 QuantifierPusher]: treesize reduction 7, result has 63.2 percent of original size [2021-03-24 14:45:43,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:43,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:43,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:45:43,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:43,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:43,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:43,728 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:45:43,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:43,735 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:45:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:43,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:43,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:45:43,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:45:43,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298828717] [2021-03-24 14:45:43,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:43,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:43,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:43,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:45:43,738 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:43,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 755 transitions, 26611 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:43,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:43,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:43,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:45,346 INFO L129 PetriNetUnfolder]: 2080/4750 cut-off events. [2021-03-24 14:45:45,346 INFO L130 PetriNetUnfolder]: For 209466/209519 co-relation queries the response was YES. [2021-03-24 14:45:45,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47590 conditions, 4750 events. 2080/4750 cut-off events. For 209466/209519 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 43635 event pairs, 407 based on Foata normal form. 6/4755 useless extension candidates. Maximal degree in co-relation 47084. Up to 2890 conditions per place. [2021-03-24 14:45:45,439 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 551 selfloop transitions, 222 changer transitions 1/781 dead transitions. [2021-03-24 14:45:45,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 781 transitions, 28650 flow [2021-03-24 14:45:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:45:45,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:45:45,441 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:45:45,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:45:45,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:45,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:45:45,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:45,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:45,441 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:45,442 INFO L185 Difference]: Start difference. First operand has 508 places, 755 transitions, 26611 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:45:45,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 781 transitions, 28650 flow [2021-03-24 14:45:46,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 781 transitions, 28233 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-24 14:45:46,532 INFO L241 Difference]: Finished difference. Result has 508 places, 759 transitions, 26794 flow [2021-03-24 14:45:46,532 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=26162, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=754, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=26794, PETRI_PLACES=508, PETRI_TRANSITIONS=759} [2021-03-24 14:45:46,532 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 485 predicate places. [2021-03-24 14:45:46,532 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 759 transitions, 26794 flow [2021-03-24 14:45:46,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:46,533 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:46,533 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:46,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-03-24 14:45:46,734 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:46,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:46,735 INFO L82 PathProgramCache]: Analyzing trace with hash -2065456487, now seen corresponding path program 56 times [2021-03-24 14:45:46,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:46,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581704025] [2021-03-24 14:45:46,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:46,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:46,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:46,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:46,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:46,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:46,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:46,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:46,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:45:46,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:46,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:46,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:46,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:46,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:46,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581704025] [2021-03-24 14:45:46,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:46,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:46,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268867688] [2021-03-24 14:45:46,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:46,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:46,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:46,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:46,778 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:46,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 759 transitions, 26794 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:46,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:46,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:46,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:48,358 INFO L129 PetriNetUnfolder]: 2078/4716 cut-off events. [2021-03-24 14:45:48,358 INFO L130 PetriNetUnfolder]: For 210806/210859 co-relation queries the response was YES. [2021-03-24 14:45:48,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47546 conditions, 4716 events. 2078/4716 cut-off events. For 210806/210859 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 43055 event pairs, 496 based on Foata normal form. 6/4721 useless extension candidates. Maximal degree in co-relation 47045. Up to 2541 conditions per place. [2021-03-24 14:45:48,580 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 603 selfloop transitions, 178 changer transitions 0/788 dead transitions. [2021-03-24 14:45:48,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 788 transitions, 28882 flow [2021-03-24 14:45:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:48,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:45:48,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:45:48,581 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:45:48,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:45:48,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:48,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:45:48,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:48,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:48,582 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:48,583 INFO L185 Difference]: Start difference. First operand has 508 places, 759 transitions, 26794 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:45:48,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 788 transitions, 28882 flow [2021-03-24 14:45:49,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 788 transitions, 28518 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-24 14:45:49,503 INFO L241 Difference]: Finished difference. Result has 513 places, 770 transitions, 27143 flow [2021-03-24 14:45:49,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=26430, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=759, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=27143, PETRI_PLACES=513, PETRI_TRANSITIONS=770} [2021-03-24 14:45:49,504 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 490 predicate places. [2021-03-24 14:45:49,504 INFO L480 AbstractCegarLoop]: Abstraction has has 513 places, 770 transitions, 27143 flow [2021-03-24 14:45:49,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:49,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:49,504 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:49,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-24 14:45:49,504 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:49,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:49,505 INFO L82 PathProgramCache]: Analyzing trace with hash 231086431, now seen corresponding path program 54 times [2021-03-24 14:45:49,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:49,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042676854] [2021-03-24 14:45:49,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:49,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:49,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:49,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:49,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:49,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:49,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:45:49,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:49,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:49,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:49,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:49,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:49,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:49,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042676854] [2021-03-24 14:45:49,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:49,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:49,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617349199] [2021-03-24 14:45:49,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:49,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:49,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:49,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:49,544 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:49,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 770 transitions, 27143 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:49,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:49,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:49,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:51,127 INFO L129 PetriNetUnfolder]: 2077/4733 cut-off events. [2021-03-24 14:45:51,127 INFO L130 PetriNetUnfolder]: For 210597/210628 co-relation queries the response was YES. [2021-03-24 14:45:51,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47639 conditions, 4733 events. 2077/4733 cut-off events. For 210597/210628 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 43359 event pairs, 408 based on Foata normal form. 1/4733 useless extension candidates. Maximal degree in co-relation 47117. Up to 2884 conditions per place. [2021-03-24 14:45:51,212 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 566 selfloop transitions, 215 changer transitions 2/790 dead transitions. [2021-03-24 14:45:51,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 790 transitions, 29029 flow [2021-03-24 14:45:51,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:45:51,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:45:51,213 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:45:51,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:45:51,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:51,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:45:51,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:51,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:51,214 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:51,214 INFO L185 Difference]: Start difference. First operand has 513 places, 770 transitions, 27143 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:45:51,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 790 transitions, 29029 flow [2021-03-24 14:45:52,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 790 transitions, 28807 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 14:45:52,195 INFO L241 Difference]: Finished difference. Result has 517 places, 768 transitions, 27281 flow [2021-03-24 14:45:52,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=26882, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=769, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=27281, PETRI_PLACES=517, PETRI_TRANSITIONS=768} [2021-03-24 14:45:52,196 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 494 predicate places. [2021-03-24 14:45:52,196 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 768 transitions, 27281 flow [2021-03-24 14:45:52,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:52,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:52,196 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:52,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-24 14:45:52,196 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:52,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:52,196 INFO L82 PathProgramCache]: Analyzing trace with hash -2143233207, now seen corresponding path program 57 times [2021-03-24 14:45:52,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:52,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900335271] [2021-03-24 14:45:52,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:52,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:52,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:52,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:52,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:45:52,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:52,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:45:52,232 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:45:52,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:52,239 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:45:52,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:52,247 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:45:52,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:45:52,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:52,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:52,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900335271] [2021-03-24 14:45:52,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:52,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:52,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959440802] [2021-03-24 14:45:52,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:52,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:52,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:52,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:52,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:45:52,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 768 transitions, 27281 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:52,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:52,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:45:52,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:54,019 INFO L129 PetriNetUnfolder]: 2075/4714 cut-off events. [2021-03-24 14:45:54,019 INFO L130 PetriNetUnfolder]: For 214365/214396 co-relation queries the response was YES. [2021-03-24 14:45:54,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47926 conditions, 4714 events. 2075/4714 cut-off events. For 214365/214396 co-relation queries the response was YES. Maximal size of possible extension queue 525. Compared 43055 event pairs, 491 based on Foata normal form. 2/4715 useless extension candidates. Maximal degree in co-relation 47400. Up to 2678 conditions per place. [2021-03-24 14:45:54,096 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 626 selfloop transitions, 161 changer transitions 0/793 dead transitions. [2021-03-24 14:45:54,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 793 transitions, 29194 flow [2021-03-24 14:45:54,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2021-03-24 14:45:54,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6896551724137931 [2021-03-24 14:45:54,097 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 140 transitions. [2021-03-24 14:45:54,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 140 transitions. [2021-03-24 14:45:54,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:54,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 140 transitions. [2021-03-24 14:45:54,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:54,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:54,098 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:54,098 INFO L185 Difference]: Start difference. First operand has 517 places, 768 transitions, 27281 flow. Second operand 7 states and 140 transitions. [2021-03-24 14:45:54,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 793 transitions, 29194 flow [2021-03-24 14:45:55,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 793 transitions, 28898 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-24 14:45:55,071 INFO L241 Difference]: Finished difference. Result has 519 places, 771 transitions, 27432 flow [2021-03-24 14:45:55,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=26958, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=27432, PETRI_PLACES=519, PETRI_TRANSITIONS=771} [2021-03-24 14:45:55,072 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 496 predicate places. [2021-03-24 14:45:55,072 INFO L480 AbstractCegarLoop]: Abstraction has has 519 places, 771 transitions, 27432 flow [2021-03-24 14:45:55,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:55,072 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:55,072 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:55,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-24 14:45:55,073 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:55,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:55,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1776762537, now seen corresponding path program 55 times [2021-03-24 14:45:55,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:55,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623800594] [2021-03-24 14:45:55,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:45:55,116 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-24 14:45:55,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:45:55,135 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-03-24 14:45:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:45:55,141 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:45:55,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:45:55,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:55,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623800594] [2021-03-24 14:45:55,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413150594] [2021-03-24 14:45:55,151 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:55,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:45:55,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:45:55,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,191 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:45:55,191 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:45:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,202 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:45:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:45:55,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:55,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:45:55,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:45:55,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,204 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:55,205 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:55,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,207 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:45:55,208 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:55,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,209 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:45:55,209 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:45:55,210 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:45:55,210 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:45:55,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:45:55,221 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:45:55,221 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:45:55,221 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:45:55,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:55,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:45:55,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:55,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,232 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:45:55,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,241 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:45:55,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:55,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:45:55,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:45:55,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:55,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:45:55,252 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:45:55,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:55,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:45:55,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-03-24 14:45:55,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347605278] [2021-03-24 14:45:55,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:55,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:55,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:55,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-24 14:45:55,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:45:55,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 771 transitions, 27432 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:55,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:55,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:45:55,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:45:56,909 INFO L129 PetriNetUnfolder]: 2093/4752 cut-off events. [2021-03-24 14:45:56,909 INFO L130 PetriNetUnfolder]: For 218364/218395 co-relation queries the response was YES. [2021-03-24 14:45:56,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48246 conditions, 4752 events. 2093/4752 cut-off events. For 218364/218395 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 43421 event pairs, 397 based on Foata normal form. 2/4753 useless extension candidates. Maximal degree in co-relation 47720. Up to 2880 conditions per place. [2021-03-24 14:45:57,003 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 588 selfloop transitions, 208 changer transitions 1/804 dead transitions. [2021-03-24 14:45:57,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 804 transitions, 29834 flow [2021-03-24 14:45:57,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:45:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:45:57,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:45:57,004 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:45:57,004 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:45:57,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:45:57,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:45:57,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:45:57,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:57,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:57,004 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:57,004 INFO L185 Difference]: Start difference. First operand has 519 places, 771 transitions, 27432 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:45:57,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 804 transitions, 29834 flow [2021-03-24 14:45:58,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 804 transitions, 29641 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-24 14:45:58,059 INFO L241 Difference]: Finished difference. Result has 526 places, 778 transitions, 28166 flow [2021-03-24 14:45:58,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=27169, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=769, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28166, PETRI_PLACES=526, PETRI_TRANSITIONS=778} [2021-03-24 14:45:58,060 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 503 predicate places. [2021-03-24 14:45:58,060 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 778 transitions, 28166 flow [2021-03-24 14:45:58,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:58,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:45:58,060 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:45:58,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:45:58,260 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:45:58,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:45:58,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1368664859, now seen corresponding path program 58 times [2021-03-24 14:45:58,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:45:58,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060711172] [2021-03-24 14:45:58,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:45:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:45:58,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:58,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:45:58,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:58,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:45:58,298 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:45:58,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:45:58,305 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:45:58,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:45:58,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:58,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:58,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:45:58,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:45:58,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:45:58,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060711172] [2021-03-24 14:45:58,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:45:58,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:45:58,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537668347] [2021-03-24 14:45:58,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:45:58,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:45:58,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:45:58,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:45:58,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:45:58,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 778 transitions, 28166 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:45:58,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:45:58,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:45:58,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:00,089 INFO L129 PetriNetUnfolder]: 2092/4743 cut-off events. [2021-03-24 14:46:00,089 INFO L130 PetriNetUnfolder]: For 227117/227148 co-relation queries the response was YES. [2021-03-24 14:46:00,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48992 conditions, 4743 events. 2092/4743 cut-off events. For 227117/227148 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 43290 event pairs, 494 based on Foata normal form. 1/4743 useless extension candidates. Maximal degree in co-relation 48508. Up to 2712 conditions per place. [2021-03-24 14:46:00,177 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 633 selfloop transitions, 157 changer transitions 1/797 dead transitions. [2021-03-24 14:46:00,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 797 transitions, 29919 flow [2021-03-24 14:46:00,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 136 transitions. [2021-03-24 14:46:00,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6699507389162561 [2021-03-24 14:46:00,178 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 136 transitions. [2021-03-24 14:46:00,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 136 transitions. [2021-03-24 14:46:00,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:00,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 136 transitions. [2021-03-24 14:46:00,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:00,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:00,178 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:00,179 INFO L185 Difference]: Start difference. First operand has 526 places, 778 transitions, 28166 flow. Second operand 7 states and 136 transitions. [2021-03-24 14:46:00,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 797 transitions, 29919 flow [2021-03-24 14:46:01,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 797 transitions, 29583 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-24 14:46:01,223 INFO L241 Difference]: Finished difference. Result has 529 places, 776 transitions, 28067 flow [2021-03-24 14:46:01,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=27781, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=777, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28067, PETRI_PLACES=529, PETRI_TRANSITIONS=776} [2021-03-24 14:46:01,224 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 506 predicate places. [2021-03-24 14:46:01,224 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 776 transitions, 28067 flow [2021-03-24 14:46:01,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:01,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:01,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:01,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-24 14:46:01,224 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:01,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:01,224 INFO L82 PathProgramCache]: Analyzing trace with hash -804970135, now seen corresponding path program 56 times [2021-03-24 14:46:01,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:01,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973644968] [2021-03-24 14:46:01,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:01,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:01,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:01,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:01,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:01,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:01,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:01,258 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:46:01,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:01,270 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:46:01,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:46:01,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:01,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:01,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:01,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973644968] [2021-03-24 14:46:01,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:01,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:01,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812610271] [2021-03-24 14:46:01,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:01,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:01,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:01,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:01,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:46:01,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 776 transitions, 28067 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:01,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:01,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:46:01,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:03,031 INFO L129 PetriNetUnfolder]: 2091/4728 cut-off events. [2021-03-24 14:46:03,031 INFO L130 PetriNetUnfolder]: For 224951/224982 co-relation queries the response was YES. [2021-03-24 14:46:03,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48929 conditions, 4728 events. 2091/4728 cut-off events. For 224951/224982 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 43043 event pairs, 514 based on Foata normal form. 1/4728 useless extension candidates. Maximal degree in co-relation 48464. Up to 2708 conditions per place. [2021-03-24 14:46:03,119 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 619 selfloop transitions, 160 changer transitions 1/786 dead transitions. [2021-03-24 14:46:03,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 786 transitions, 29692 flow [2021-03-24 14:46:03,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:03,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:03,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-24 14:46:03,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6502463054187192 [2021-03-24 14:46:03,120 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-24 14:46:03,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-24 14:46:03,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:03,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-24 14:46:03,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:03,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:03,121 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:03,121 INFO L185 Difference]: Start difference. First operand has 529 places, 776 transitions, 28067 flow. Second operand 7 states and 132 transitions. [2021-03-24 14:46:03,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 786 transitions, 29692 flow [2021-03-24 14:46:04,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 786 transitions, 29372 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-03-24 14:46:04,173 INFO L241 Difference]: Finished difference. Result has 528 places, 774 transitions, 27993 flow [2021-03-24 14:46:04,174 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=27702, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=615, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=27993, PETRI_PLACES=528, PETRI_TRANSITIONS=774} [2021-03-24 14:46:04,174 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 505 predicate places. [2021-03-24 14:46:04,174 INFO L480 AbstractCegarLoop]: Abstraction has has 528 places, 774 transitions, 27993 flow [2021-03-24 14:46:04,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:04,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:04,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:04,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-24 14:46:04,174 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:04,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:04,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1302815175, now seen corresponding path program 59 times [2021-03-24 14:46:04,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:04,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464896613] [2021-03-24 14:46:04,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:04,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:04,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:04,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:04,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:04,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:04,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:04,200 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:46:04,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:46:04,208 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:04,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:04,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:04,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:04,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:04,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:04,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464896613] [2021-03-24 14:46:04,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:04,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:04,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131491871] [2021-03-24 14:46:04,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:04,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:04,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:04,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:04,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:04,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 774 transitions, 27993 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:04,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:04,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:04,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:05,863 INFO L129 PetriNetUnfolder]: 2089/4710 cut-off events. [2021-03-24 14:46:05,863 INFO L130 PetriNetUnfolder]: For 223975/224006 co-relation queries the response was YES. [2021-03-24 14:46:05,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48605 conditions, 4710 events. 2089/4710 cut-off events. For 223975/224006 co-relation queries the response was YES. Maximal size of possible extension queue 523. Compared 42712 event pairs, 501 based on Foata normal form. 4/4713 useless extension candidates. Maximal degree in co-relation 48004. Up to 2569 conditions per place. [2021-03-24 14:46:05,953 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 606 selfloop transitions, 180 changer transitions 0/793 dead transitions. [2021-03-24 14:46:05,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 793 transitions, 29856 flow [2021-03-24 14:46:05,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:05,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:46:05,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:46:05,954 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:46:05,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:46:05,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:05,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:46:05,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:05,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:05,955 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:05,955 INFO L185 Difference]: Start difference. First operand has 528 places, 774 transitions, 27993 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:46:05,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 793 transitions, 29856 flow [2021-03-24 14:46:06,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 793 transitions, 29569 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-24 14:46:06,976 INFO L241 Difference]: Finished difference. Result has 532 places, 777 transitions, 28187 flow [2021-03-24 14:46:06,976 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=27706, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=774, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28187, PETRI_PLACES=532, PETRI_TRANSITIONS=777} [2021-03-24 14:46:06,976 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 509 predicate places. [2021-03-24 14:46:06,976 INFO L480 AbstractCegarLoop]: Abstraction has has 532 places, 777 transitions, 28187 flow [2021-03-24 14:46:06,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:06,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:06,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:06,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-24 14:46:06,977 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:06,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:06,977 INFO L82 PathProgramCache]: Analyzing trace with hash -2078179741, now seen corresponding path program 60 times [2021-03-24 14:46:06,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:06,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693071198] [2021-03-24 14:46:06,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:06,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:06,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:06,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:06,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:06,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:06,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:06,996 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:46:06,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:46:07,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:07,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:46:07,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:07,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:07,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:07,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:07,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693071198] [2021-03-24 14:46:07,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:07,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:07,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078050284] [2021-03-24 14:46:07,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:07,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:07,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:07,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:07,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:07,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 777 transitions, 28187 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:07,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:07,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:07,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:08,658 INFO L129 PetriNetUnfolder]: 2087/4699 cut-off events. [2021-03-24 14:46:08,658 INFO L130 PetriNetUnfolder]: For 224438/224469 co-relation queries the response was YES. [2021-03-24 14:46:08,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48611 conditions, 4699 events. 2087/4699 cut-off events. For 224438/224469 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42523 event pairs, 501 based on Foata normal form. 2/4700 useless extension candidates. Maximal degree in co-relation 48081. Up to 2569 conditions per place. [2021-03-24 14:46:08,748 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 609 selfloop transitions, 178 changer transitions 0/794 dead transitions. [2021-03-24 14:46:08,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 794 transitions, 30002 flow [2021-03-24 14:46:08,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:46:08,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:46:08,749 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:46:08,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:46:08,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:08,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:46:08,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:08,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:08,749 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:08,749 INFO L185 Difference]: Start difference. First operand has 532 places, 777 transitions, 28187 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:46:08,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 794 transitions, 30002 flow [2021-03-24 14:46:09,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 794 transitions, 29730 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-24 14:46:09,913 INFO L241 Difference]: Finished difference. Result has 535 places, 779 transitions, 28342 flow [2021-03-24 14:46:09,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=27886, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=776, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28342, PETRI_PLACES=535, PETRI_TRANSITIONS=779} [2021-03-24 14:46:09,914 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 512 predicate places. [2021-03-24 14:46:09,914 INFO L480 AbstractCegarLoop]: Abstraction has has 535 places, 779 transitions, 28342 flow [2021-03-24 14:46:09,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:09,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:09,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:09,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-24 14:46:09,914 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:09,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:09,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1079429313, now seen corresponding path program 61 times [2021-03-24 14:46:09,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:09,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360088848] [2021-03-24 14:46:09,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:09,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:09,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:09,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:09,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:09,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:09,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:09,947 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:46:09,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:46:09,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:09,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:46:09,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:09,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:09,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:09,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:09,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360088848] [2021-03-24 14:46:09,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:09,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:09,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124922581] [2021-03-24 14:46:09,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:09,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:09,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:09,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:09,971 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:09,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 779 transitions, 28342 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:09,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:09,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:09,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:11,612 INFO L129 PetriNetUnfolder]: 2086/4695 cut-off events. [2021-03-24 14:46:11,612 INFO L130 PetriNetUnfolder]: For 225474/225505 co-relation queries the response was YES. [2021-03-24 14:46:11,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48649 conditions, 4695 events. 2086/4695 cut-off events. For 225474/225505 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 42555 event pairs, 500 based on Foata normal form. 1/4695 useless extension candidates. Maximal degree in co-relation 48191. Up to 2569 conditions per place. [2021-03-24 14:46:11,704 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 611 selfloop transitions, 174 changer transitions 1/793 dead transitions. [2021-03-24 14:46:11,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 793 transitions, 30092 flow [2021-03-24 14:46:11,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:46:11,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:46:11,704 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:46:11,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:46:11,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:11,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:46:11,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:11,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:11,705 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:11,705 INFO L185 Difference]: Start difference. First operand has 535 places, 779 transitions, 28342 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:46:11,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 793 transitions, 30092 flow [2021-03-24 14:46:12,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 793 transitions, 29703 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-24 14:46:12,775 INFO L241 Difference]: Finished difference. Result has 535 places, 778 transitions, 28277 flow [2021-03-24 14:46:12,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=27953, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=779, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28277, PETRI_PLACES=535, PETRI_TRANSITIONS=778} [2021-03-24 14:46:12,775 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 512 predicate places. [2021-03-24 14:46:12,775 INFO L480 AbstractCegarLoop]: Abstraction has has 535 places, 778 transitions, 28277 flow [2021-03-24 14:46:12,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:12,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:12,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:12,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-24 14:46:12,776 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:12,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:12,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1206261503, now seen corresponding path program 62 times [2021-03-24 14:46:12,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:12,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995011540] [2021-03-24 14:46:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:12,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:12,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:12,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:12,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:12,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:12,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:12,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:46:12,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:12,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:46:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:12,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:12,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:12,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:12,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995011540] [2021-03-24 14:46:12,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:12,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:12,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686327338] [2021-03-24 14:46:12,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:12,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:12,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:12,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:12,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:12,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 778 transitions, 28277 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:12,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:12,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:12,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:14,627 INFO L129 PetriNetUnfolder]: 2088/4686 cut-off events. [2021-03-24 14:46:14,628 INFO L130 PetriNetUnfolder]: For 226129/226160 co-relation queries the response was YES. [2021-03-24 14:46:14,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48598 conditions, 4686 events. 2088/4686 cut-off events. For 226129/226160 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 42348 event pairs, 500 based on Foata normal form. 2/4687 useless extension candidates. Maximal degree in co-relation 48359. Up to 2573 conditions per place. [2021-03-24 14:46:14,702 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 611 selfloop transitions, 178 changer transitions 0/796 dead transitions. [2021-03-24 14:46:14,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 796 transitions, 30124 flow [2021-03-24 14:46:14,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:14,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:46:14,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:46:14,703 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:46:14,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:46:14,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:14,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:46:14,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:14,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:14,704 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:14,704 INFO L185 Difference]: Start difference. First operand has 535 places, 778 transitions, 28277 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:46:14,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 796 transitions, 30124 flow [2021-03-24 14:46:15,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 796 transitions, 29804 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-24 14:46:15,836 INFO L241 Difference]: Finished difference. Result has 534 places, 781 transitions, 28412 flow [2021-03-24 14:46:15,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=27927, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=777, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28412, PETRI_PLACES=534, PETRI_TRANSITIONS=781} [2021-03-24 14:46:15,836 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 511 predicate places. [2021-03-24 14:46:15,836 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 781 transitions, 28412 flow [2021-03-24 14:46:15,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:15,836 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:15,836 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:15,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-24 14:46:15,836 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1427557285, now seen corresponding path program 63 times [2021-03-24 14:46:15,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:15,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573649715] [2021-03-24 14:46:15,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:15,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:15,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:15,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:15,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:15,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:15,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:15,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:15,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:46:15,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:15,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:46:15,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:15,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:15,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:15,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573649715] [2021-03-24 14:46:15,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:15,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:15,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28306517] [2021-03-24 14:46:15,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:15,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:15,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:15,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:15,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:15,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 781 transitions, 28412 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:15,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:15,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:15,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:17,546 INFO L129 PetriNetUnfolder]: 2087/4681 cut-off events. [2021-03-24 14:46:17,546 INFO L130 PetriNetUnfolder]: For 229196/229227 co-relation queries the response was YES. [2021-03-24 14:46:17,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48894 conditions, 4681 events. 2087/4681 cut-off events. For 229196/229227 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 42213 event pairs, 500 based on Foata normal form. 1/4681 useless extension candidates. Maximal degree in co-relation 48249. Up to 2573 conditions per place. [2021-03-24 14:46:17,629 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 612 selfloop transitions, 174 changer transitions 1/794 dead transitions. [2021-03-24 14:46:17,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 794 transitions, 30120 flow [2021-03-24 14:46:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:46:17,630 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:46:17,630 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:46:17,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:46:17,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:17,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:46:17,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:17,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:17,630 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:17,630 INFO L185 Difference]: Start difference. First operand has 534 places, 781 transitions, 28412 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:46:17,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 794 transitions, 30120 flow [2021-03-24 14:46:18,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 794 transitions, 29811 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-24 14:46:18,695 INFO L241 Difference]: Finished difference. Result has 537 places, 779 transitions, 28380 flow [2021-03-24 14:46:18,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=28051, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28380, PETRI_PLACES=537, PETRI_TRANSITIONS=779} [2021-03-24 14:46:18,695 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 514 predicate places. [2021-03-24 14:46:18,695 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 779 transitions, 28380 flow [2021-03-24 14:46:18,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:18,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:18,695 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:18,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-24 14:46:18,695 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:18,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:18,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1931621989, now seen corresponding path program 64 times [2021-03-24 14:46:18,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:18,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967357677] [2021-03-24 14:46:18,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:18,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,702 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:46:18,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:18,706 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-24 14:46:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:18,714 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:46:18,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:46:18,721 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-03-24 14:46:18,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:46:18,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:18,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:18,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967357677] [2021-03-24 14:46:18,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420162566] [2021-03-24 14:46:18,737 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:46:18,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:46:18,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:46:18,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:46:18,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:46:18,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,770 INFO L147 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size 6 [2021-03-24 14:46:18,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 14:46:18,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:18,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:18,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:18,771 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:46:18,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:46:18,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:18,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:46:18,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:18,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,773 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:18,774 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:18,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,774 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:18,778 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:18,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,780 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:46:18,780 INFO L147 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size 12 [2021-03-24 14:46:18,780 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-24 14:46:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:18,788 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:46:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,797 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-24 14:46:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:46:18,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:18,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:46:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:46:18,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:18,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:18,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:18,805 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:46:18,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:46:18,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:18,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:18,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:46:18,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,807 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:18,808 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:18,808 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-24 14:46:18,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-24 14:46:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:18,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:18,810 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:46:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:18,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:46:18,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-03-24 14:46:18,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065287503] [2021-03-24 14:46:18,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 14:46:18,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:18,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 14:46:18,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:46:18,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:18,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 779 transitions, 28380 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:18,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:18,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:18,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:20,595 INFO L129 PetriNetUnfolder]: 2221/5045 cut-off events. [2021-03-24 14:46:20,595 INFO L130 PetriNetUnfolder]: For 239074/239105 co-relation queries the response was YES. [2021-03-24 14:46:20,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51827 conditions, 5045 events. 2221/5045 cut-off events. For 239074/239105 co-relation queries the response was YES. Maximal size of possible extension queue 554. Compared 46425 event pairs, 372 based on Foata normal form. 6/5050 useless extension candidates. Maximal degree in co-relation 51178. Up to 2893 conditions per place. [2021-03-24 14:46:20,683 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 687 selfloop transitions, 170 changer transitions 3/867 dead transitions. [2021-03-24 14:46:20,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 867 transitions, 32165 flow [2021-03-24 14:46:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:20,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:46:20,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:46:20,684 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:46:20,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:46:20,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:20,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:46:20,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:20,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:20,685 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:20,685 INFO L185 Difference]: Start difference. First operand has 537 places, 779 transitions, 28380 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:46:20,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 867 transitions, 32165 flow [2021-03-24 14:46:21,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 867 transitions, 31832 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:46:21,796 INFO L241 Difference]: Finished difference. Result has 542 places, 813 transitions, 29631 flow [2021-03-24 14:46:21,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=28077, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=779, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=618, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=29631, PETRI_PLACES=542, PETRI_TRANSITIONS=813} [2021-03-24 14:46:21,797 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 519 predicate places. [2021-03-24 14:46:21,797 INFO L480 AbstractCegarLoop]: Abstraction has has 542 places, 813 transitions, 29631 flow [2021-03-24 14:46:21,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:21,797 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:21,797 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:21,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable218 [2021-03-24 14:46:21,998 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:21,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1581125421, now seen corresponding path program 57 times [2021-03-24 14:46:21,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:21,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103837671] [2021-03-24 14:46:21,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:22,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:22,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:22,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:22,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:22,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:22,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:22,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103837671] [2021-03-24 14:46:22,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887380862] [2021-03-24 14:46:22,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 14:46:22,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:46:22,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:46:22,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:46:22,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:46:22,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,093 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:46:22,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:22,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:22,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:22,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:22,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,109 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:46:22,109 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:46:22,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:22,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:46:22,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:22,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,111 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:22,112 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:22,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,114 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:22,115 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:22,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,118 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:46:22,118 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:46:22,119 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:46:22,119 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:46:22,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:22,129 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:46:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:22,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:22,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:22,145 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-03-24 14:46:22,146 INFO L147 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size 9 [2021-03-24 14:46:22,146 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:46:22,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:22,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:46:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:46:22,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:22,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:22,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:22,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:22,150 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:46:22,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:22,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:22,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:22,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:22,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:22,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:22,153 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:46:22,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:22,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:22,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:46:22,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 14:46:22,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262670834] [2021-03-24 14:46:22,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 14:46:22,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:22,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 14:46:22,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-24 14:46:22,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:22,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 813 transitions, 29631 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:22,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:22,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:22,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:24,017 INFO L129 PetriNetUnfolder]: 2239/5107 cut-off events. [2021-03-24 14:46:24,017 INFO L130 PetriNetUnfolder]: For 247755/247804 co-relation queries the response was YES. [2021-03-24 14:46:24,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53249 conditions, 5107 events. 2239/5107 cut-off events. For 247755/247804 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 47433 event pairs, 530 based on Foata normal form. 4/5110 useless extension candidates. Maximal degree in co-relation 52606. Up to 2830 conditions per place. [2021-03-24 14:46:24,116 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 637 selfloop transitions, 208 changer transitions 1/853 dead transitions. [2021-03-24 14:46:24,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 853 transitions, 32140 flow [2021-03-24 14:46:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:46:24,117 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:46:24,117 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:46:24,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:46:24,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:24,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:46:24,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:24,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:24,118 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:24,118 INFO L185 Difference]: Start difference. First operand has 542 places, 813 transitions, 29631 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:46:24,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 853 transitions, 32140 flow [2021-03-24 14:46:25,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 853 transitions, 32039 flow, removed 36 selfloop flow, removed 1 redundant places. [2021-03-24 14:46:25,388 INFO L241 Difference]: Finished difference. Result has 550 places, 821 transitions, 30256 flow [2021-03-24 14:46:25,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=29530, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=813, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=608, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=30256, PETRI_PLACES=550, PETRI_TRANSITIONS=821} [2021-03-24 14:46:25,389 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 527 predicate places. [2021-03-24 14:46:25,389 INFO L480 AbstractCegarLoop]: Abstraction has has 550 places, 821 transitions, 30256 flow [2021-03-24 14:46:25,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:25,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:25,389 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:25,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-03-24 14:46:25,590 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:25,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:25,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1936379157, now seen corresponding path program 65 times [2021-03-24 14:46:25,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:25,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971686098] [2021-03-24 14:46:25,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:25,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:25,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:25,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:25,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:25,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:25,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:25,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:25,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:25,614 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:25,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:25,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:25,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:25,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971686098] [2021-03-24 14:46:25,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:25,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:25,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161986474] [2021-03-24 14:46:25,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:25,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:25,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:25,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:25,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:25,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 821 transitions, 30256 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:25,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:25,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:25,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:27,426 INFO L129 PetriNetUnfolder]: 2253/5112 cut-off events. [2021-03-24 14:46:27,426 INFO L130 PetriNetUnfolder]: For 253426/253475 co-relation queries the response was YES. [2021-03-24 14:46:27,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53803 conditions, 5112 events. 2253/5112 cut-off events. For 253426/253475 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 47123 event pairs, 400 based on Foata normal form. 12/5123 useless extension candidates. Maximal degree in co-relation 53157. Up to 2942 conditions per place. [2021-03-24 14:46:27,543 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 690 selfloop transitions, 175 changer transitions 0/872 dead transitions. [2021-03-24 14:46:27,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 872 transitions, 33040 flow [2021-03-24 14:46:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:27,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:27,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:46:27,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:46:27,544 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:46:27,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:46:27,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:27,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:46:27,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:27,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:27,545 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:27,545 INFO L185 Difference]: Start difference. First operand has 550 places, 821 transitions, 30256 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:46:27,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 872 transitions, 33040 flow [2021-03-24 14:46:28,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 872 transitions, 32572 flow, removed 33 selfloop flow, removed 3 redundant places. [2021-03-24 14:46:28,877 INFO L241 Difference]: Finished difference. Result has 556 places, 837 transitions, 30696 flow [2021-03-24 14:46:28,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=29788, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=821, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=30696, PETRI_PLACES=556, PETRI_TRANSITIONS=837} [2021-03-24 14:46:28,878 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 533 predicate places. [2021-03-24 14:46:28,878 INFO L480 AbstractCegarLoop]: Abstraction has has 556 places, 837 transitions, 30696 flow [2021-03-24 14:46:28,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:28,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:28,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:28,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-24 14:46:28,878 INFO L428 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:28,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:28,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1148480071, now seen corresponding path program 66 times [2021-03-24 14:46:28,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:28,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336589867] [2021-03-24 14:46:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:28,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:28,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:28,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:28,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:28,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:28,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:28,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:28,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:28,903 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:28,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:28,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:28,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:28,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:28,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:28,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336589867] [2021-03-24 14:46:28,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:28,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:28,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490167218] [2021-03-24 14:46:28,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:28,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:28,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:28,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:28,917 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:28,917 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 837 transitions, 30696 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:28,917 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:28,917 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:28,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:30,889 INFO L129 PetriNetUnfolder]: 2245/5062 cut-off events. [2021-03-24 14:46:30,889 INFO L130 PetriNetUnfolder]: For 250455/250504 co-relation queries the response was YES. [2021-03-24 14:46:30,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53516 conditions, 5062 events. 2245/5062 cut-off events. For 250455/250504 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 46265 event pairs, 362 based on Foata normal form. 8/5069 useless extension candidates. Maximal degree in co-relation 52876. Up to 2207 conditions per place. [2021-03-24 14:46:30,973 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 636 selfloop transitions, 240 changer transitions 0/883 dead transitions. [2021-03-24 14:46:30,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 883 transitions, 33329 flow [2021-03-24 14:46:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:46:30,974 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:46:30,974 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:46:30,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:46:30,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:30,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:46:30,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:30,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:30,975 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:30,975 INFO L185 Difference]: Start difference. First operand has 556 places, 837 transitions, 30696 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:46:30,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 883 transitions, 33329 flow [2021-03-24 14:46:32,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 883 transitions, 33046 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-24 14:46:32,119 INFO L241 Difference]: Finished difference. Result has 561 places, 840 transitions, 31100 flow [2021-03-24 14:46:32,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30362, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=835, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31100, PETRI_PLACES=561, PETRI_TRANSITIONS=840} [2021-03-24 14:46:32,119 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 538 predicate places. [2021-03-24 14:46:32,120 INFO L480 AbstractCegarLoop]: Abstraction has has 561 places, 840 transitions, 31100 flow [2021-03-24 14:46:32,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:32,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:32,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:32,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-24 14:46:32,120 INFO L428 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:32,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:32,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1117199521, now seen corresponding path program 67 times [2021-03-24 14:46:32,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:32,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146503720] [2021-03-24 14:46:32,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:32,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:32,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:32,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:32,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:32,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:32,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:32,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:32,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:32,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:32,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:32,145 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:46:32,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:32,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:32,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:32,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:32,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146503720] [2021-03-24 14:46:32,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:32,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:32,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217663028] [2021-03-24 14:46:32,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:32,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:32,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:32,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:32,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:32,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 840 transitions, 31100 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:32,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:32,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:32,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:33,977 INFO L129 PetriNetUnfolder]: 2233/4996 cut-off events. [2021-03-24 14:46:33,977 INFO L130 PetriNetUnfolder]: For 254980/255029 co-relation queries the response was YES. [2021-03-24 14:46:34,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53486 conditions, 4996 events. 2233/4996 cut-off events. For 254980/255029 co-relation queries the response was YES. Maximal size of possible extension queue 554. Compared 45330 event pairs, 368 based on Foata normal form. 12/5007 useless extension candidates. Maximal degree in co-relation 52844. Up to 2207 conditions per place. [2021-03-24 14:46:34,074 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 637 selfloop transitions, 236 changer transitions 0/880 dead transitions. [2021-03-24 14:46:34,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 880 transitions, 33542 flow [2021-03-24 14:46:34,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:46:34,075 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:46:34,075 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:46:34,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:46:34,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:34,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:46:34,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:34,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:34,076 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:34,076 INFO L185 Difference]: Start difference. First operand has 561 places, 840 transitions, 31100 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:46:34,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 880 transitions, 33542 flow [2021-03-24 14:46:35,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 880 transitions, 33100 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-24 14:46:35,343 INFO L241 Difference]: Finished difference. Result has 564 places, 839 transitions, 31129 flow [2021-03-24 14:46:35,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30573, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=234, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31129, PETRI_PLACES=564, PETRI_TRANSITIONS=839} [2021-03-24 14:46:35,344 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 541 predicate places. [2021-03-24 14:46:35,344 INFO L480 AbstractCegarLoop]: Abstraction has has 564 places, 839 transitions, 31129 flow [2021-03-24 14:46:35,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:35,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:35,344 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:35,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-24 14:46:35,344 INFO L428 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:35,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:35,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1865076327, now seen corresponding path program 58 times [2021-03-24 14:46:35,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:35,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848310208] [2021-03-24 14:46:35,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:35,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:35,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:35,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:46:35,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:35,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:35,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848310208] [2021-03-24 14:46:35,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734230922] [2021-03-24 14:46:35,384 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:46:35,409 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:46:35,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:46:35,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:46:35,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:46:35,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,415 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:46:35,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:35,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:35,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:35,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:35,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,429 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:46:35,429 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:46:35,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:35,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:46:35,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:35,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,431 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:35,432 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:35,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,434 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:35,434 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:35,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,435 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:46:35,436 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:46:35,436 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:46:35,436 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:46:35,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:35,445 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:46:35,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:35,458 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:46:35,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:46:35,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:35,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:46:35,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:46:35,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,461 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:35,462 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:35,462 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-24 14:46:35,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:46:35,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:35,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:35,479 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:46:35,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:35,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:35,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:46:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:35,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:35,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:35,482 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:46:35,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:35,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:35,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:46:35,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:46:35,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254442583] [2021-03-24 14:46:35,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:35,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:35,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:35,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:46:35,489 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:35,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 839 transitions, 31129 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:35,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:35,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:35,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:37,350 INFO L129 PetriNetUnfolder]: 2229/4978 cut-off events. [2021-03-24 14:46:37,350 INFO L130 PetriNetUnfolder]: For 255225/255274 co-relation queries the response was YES. [2021-03-24 14:46:37,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53420 conditions, 4978 events. 2229/4978 cut-off events. For 255225/255274 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 45256 event pairs, 535 based on Foata normal form. 4/4981 useless extension candidates. Maximal degree in co-relation 52778. Up to 2800 conditions per place. [2021-03-24 14:46:37,443 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 642 selfloop transitions, 216 changer transitions 0/865 dead transitions. [2021-03-24 14:46:37,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 865 transitions, 33256 flow [2021-03-24 14:46:37,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 153 transitions. [2021-03-24 14:46:37,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7536945812807881 [2021-03-24 14:46:37,444 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 153 transitions. [2021-03-24 14:46:37,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 153 transitions. [2021-03-24 14:46:37,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:37,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 153 transitions. [2021-03-24 14:46:37,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:37,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:37,444 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:37,444 INFO L185 Difference]: Start difference. First operand has 564 places, 839 transitions, 31129 flow. Second operand 7 states and 153 transitions. [2021-03-24 14:46:37,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 865 transitions, 33256 flow [2021-03-24 14:46:38,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 865 transitions, 32797 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-24 14:46:38,657 INFO L241 Difference]: Finished difference. Result has 567 places, 841 transitions, 31148 flow [2021-03-24 14:46:38,657 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30616, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=212, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31148, PETRI_PLACES=567, PETRI_TRANSITIONS=841} [2021-03-24 14:46:38,657 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 544 predicate places. [2021-03-24 14:46:38,657 INFO L480 AbstractCegarLoop]: Abstraction has has 567 places, 841 transitions, 31148 flow [2021-03-24 14:46:38,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:38,657 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:38,657 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:38,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable228 [2021-03-24 14:46:38,858 INFO L428 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:38,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:38,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1776452907, now seen corresponding path program 59 times [2021-03-24 14:46:38,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:38,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174843228] [2021-03-24 14:46:38,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:38,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:38,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:38,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:46:38,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:38,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174843228] [2021-03-24 14:46:38,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617326943] [2021-03-24 14:46:38,897 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:46:38,922 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:46:38,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:46:38,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:46:38,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:46:38,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,928 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:46:38,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:38,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,942 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:46:38,942 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:46:38,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:38,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:46:38,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:38,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,944 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:38,944 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:38,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,945 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:38,946 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:38,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,947 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:46:38,947 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:46:38,947 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:46:38,947 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:46:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:38,956 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-24 14:46:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:38,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-24 14:46:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:46:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:46:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:46:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,971 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:38,971 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:38,971 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-24 14:46:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:46:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:38,986 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:46:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:38,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:38,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:46:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:46:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:38,993 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:46:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:38,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:46:38,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:46:38,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944674227] [2021-03-24 14:46:38,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:38,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:38,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:38,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:46:38,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:38,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 841 transitions, 31148 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:38,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:38,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:38,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:40,769 INFO L129 PetriNetUnfolder]: 2221/4956 cut-off events. [2021-03-24 14:46:40,770 INFO L130 PetriNetUnfolder]: For 253445/253494 co-relation queries the response was YES. [2021-03-24 14:46:40,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53155 conditions, 4956 events. 2221/4956 cut-off events. For 253445/253494 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 45013 event pairs, 533 based on Foata normal form. 8/4963 useless extension candidates. Maximal degree in co-relation 52507. Up to 2800 conditions per place. [2021-03-24 14:46:40,863 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 636 selfloop transitions, 218 changer transitions 0/861 dead transitions. [2021-03-24 14:46:40,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 861 transitions, 33144 flow [2021-03-24 14:46:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:40,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 153 transitions. [2021-03-24 14:46:40,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7536945812807881 [2021-03-24 14:46:40,864 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 153 transitions. [2021-03-24 14:46:40,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 153 transitions. [2021-03-24 14:46:40,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:40,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 153 transitions. [2021-03-24 14:46:40,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:40,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:40,864 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:40,864 INFO L185 Difference]: Start difference. First operand has 567 places, 841 transitions, 31148 flow. Second operand 7 states and 153 transitions. [2021-03-24 14:46:40,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 861 transitions, 33144 flow [2021-03-24 14:46:42,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 861 transitions, 32559 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-24 14:46:42,172 INFO L241 Difference]: Finished difference. Result has 568 places, 840 transitions, 30973 flow [2021-03-24 14:46:42,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30537, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=840, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=30973, PETRI_PLACES=568, PETRI_TRANSITIONS=840} [2021-03-24 14:46:42,173 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 545 predicate places. [2021-03-24 14:46:42,173 INFO L480 AbstractCegarLoop]: Abstraction has has 568 places, 840 transitions, 30973 flow [2021-03-24 14:46:42,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:42,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:42,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:42,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable232 [2021-03-24 14:46:42,373 INFO L428 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:42,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:42,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2022220751, now seen corresponding path program 68 times [2021-03-24 14:46:42,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:42,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416972255] [2021-03-24 14:46:42,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:42,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:42,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:42,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:42,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:42,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:42,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:42,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:42,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:42,406 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:42,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:42,415 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:46:42,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:42,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:42,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:42,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416972255] [2021-03-24 14:46:42,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:42,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:42,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378737457] [2021-03-24 14:46:42,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:42,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:42,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:42,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:42,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:42,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 840 transitions, 30973 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:42,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:42,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:42,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:44,194 INFO L129 PetriNetUnfolder]: 2211/4884 cut-off events. [2021-03-24 14:46:44,194 INFO L130 PetriNetUnfolder]: For 249437/249490 co-relation queries the response was YES. [2021-03-24 14:46:44,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52666 conditions, 4884 events. 2211/4884 cut-off events. For 249437/249490 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43677 event pairs, 323 based on Foata normal form. 10/4893 useless extension candidates. Maximal degree in co-relation 52020. Up to 1957 conditions per place. [2021-03-24 14:46:44,294 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 630 selfloop transitions, 248 changer transitions 0/885 dead transitions. [2021-03-24 14:46:44,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 885 transitions, 33685 flow [2021-03-24 14:46:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:46:44,294 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:46:44,295 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:46:44,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:46:44,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:44,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:46:44,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:44,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:44,295 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:44,296 INFO L185 Difference]: Start difference. First operand has 568 places, 840 transitions, 30973 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:46:44,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 885 transitions, 33685 flow [2021-03-24 14:46:45,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 885 transitions, 33240 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-24 14:46:45,617 INFO L241 Difference]: Finished difference. Result has 572 places, 847 transitions, 31392 flow [2021-03-24 14:46:45,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30470, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=838, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=590, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31392, PETRI_PLACES=572, PETRI_TRANSITIONS=847} [2021-03-24 14:46:45,618 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 549 predicate places. [2021-03-24 14:46:45,618 INFO L480 AbstractCegarLoop]: Abstraction has has 572 places, 847 transitions, 31392 flow [2021-03-24 14:46:45,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:45,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:45,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:45,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-24 14:46:45,618 INFO L428 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:45,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:45,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1990940201, now seen corresponding path program 69 times [2021-03-24 14:46:45,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:45,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387473838] [2021-03-24 14:46:45,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:45,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:45,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:45,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:45,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:45,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:45,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:46:45,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:45,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:45,652 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:45,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:45,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:45,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:45,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:45,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:45,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:45,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387473838] [2021-03-24 14:46:45,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:45,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:45,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55520530] [2021-03-24 14:46:45,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:45,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:45,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:45,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:45,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:45,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 847 transitions, 31392 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:45,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:45,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:45,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:47,518 INFO L129 PetriNetUnfolder]: 2203/4834 cut-off events. [2021-03-24 14:46:47,518 INFO L130 PetriNetUnfolder]: For 252117/252170 co-relation queries the response was YES. [2021-03-24 14:46:47,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52645 conditions, 4834 events. 2203/4834 cut-off events. For 252117/252170 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 42950 event pairs, 322 based on Foata normal form. 8/4841 useless extension candidates. Maximal degree in co-relation 52000. Up to 1957 conditions per place. [2021-03-24 14:46:47,610 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 632 selfloop transitions, 246 changer transitions 0/885 dead transitions. [2021-03-24 14:46:47,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 885 transitions, 33823 flow [2021-03-24 14:46:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:46:47,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:46:47,611 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:46:47,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:46:47,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:47,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:46:47,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:47,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:47,611 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:47,612 INFO L185 Difference]: Start difference. First operand has 572 places, 847 transitions, 31392 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:46:47,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 885 transitions, 33823 flow [2021-03-24 14:46:48,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 885 transitions, 33400 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-24 14:46:48,723 INFO L241 Difference]: Finished difference. Result has 575 places, 845 transitions, 31393 flow [2021-03-24 14:46:48,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30901, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=246, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31393, PETRI_PLACES=575, PETRI_TRANSITIONS=845} [2021-03-24 14:46:48,724 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 552 predicate places. [2021-03-24 14:46:48,724 INFO L480 AbstractCegarLoop]: Abstraction has has 575 places, 845 transitions, 31393 flow [2021-03-24 14:46:48,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:48,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:48,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:48,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-24 14:46:48,724 INFO L428 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:48,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:48,724 INFO L82 PathProgramCache]: Analyzing trace with hash 681341847, now seen corresponding path program 60 times [2021-03-24 14:46:48,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:48,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139377689] [2021-03-24 14:46:48,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:48,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:48,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:48,762 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:46:48,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:48,776 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:46:48,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:46:48,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:46:48,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:46:48,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:48,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139377689] [2021-03-24 14:46:48,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095683360] [2021-03-24 14:46:48,794 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:46:48,828 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:46:48,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:46:48,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:46:48,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:46:48,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,834 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:46:48,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:48,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:48,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:48,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:48,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,849 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:46:48,849 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:46:48,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:48,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:46:48,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:48,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,851 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:48,851 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:48,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,858 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:48,858 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:48,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,859 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:46:48,860 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:46:48,860 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:46:48,860 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:46:48,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:48,870 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:46:48,870 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:46:48,871 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:46:48,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:48,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:46:48,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:46:48,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,880 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:46:48,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:46:48,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:48,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:46:48,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:48,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,882 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:48,883 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:48,883 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-24 14:46:48,884 INFO L147 QuantifierPusher]: treesize reduction 2, result has 66.7 percent of original size 4 [2021-03-24 14:46:48,884 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:46:48,885 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:46:48,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:46:48,894 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:46:48,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:48,906 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:46:48,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:48,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:48,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:46:48,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-03-24 14:46:48,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341885853] [2021-03-24 14:46:48,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:48,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:48,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:48,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-24 14:46:48,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:48,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 845 transitions, 31393 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:48,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:48,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:48,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:50,752 INFO L129 PetriNetUnfolder]: 2217/4895 cut-off events. [2021-03-24 14:46:50,752 INFO L130 PetriNetUnfolder]: For 254776/254829 co-relation queries the response was YES. [2021-03-24 14:46:50,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53131 conditions, 4895 events. 2217/4895 cut-off events. For 254776/254829 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 43980 event pairs, 512 based on Foata normal form. 4/4898 useless extension candidates. Maximal degree in co-relation 52459. Up to 2754 conditions per place. [2021-03-24 14:46:50,851 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 673 selfloop transitions, 201 changer transitions 0/881 dead transitions. [2021-03-24 14:46:50,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 881 transitions, 33921 flow [2021-03-24 14:46:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:46:50,852 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:46:50,852 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:46:50,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:46:50,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:50,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:46:50,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:50,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:50,852 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:50,852 INFO L185 Difference]: Start difference. First operand has 575 places, 845 transitions, 31393 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:46:50,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 881 transitions, 33921 flow [2021-03-24 14:46:52,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 881 transitions, 33448 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:46:52,108 INFO L241 Difference]: Finished difference. Result has 580 places, 855 transitions, 31738 flow [2021-03-24 14:46:52,109 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30920, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31738, PETRI_PLACES=580, PETRI_TRANSITIONS=855} [2021-03-24 14:46:52,109 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 557 predicate places. [2021-03-24 14:46:52,109 INFO L480 AbstractCegarLoop]: Abstraction has has 580 places, 855 transitions, 31738 flow [2021-03-24 14:46:52,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:52,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:52,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:52,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable238 [2021-03-24 14:46:52,310 INFO L428 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:52,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:52,310 INFO L82 PathProgramCache]: Analyzing trace with hash 651852279, now seen corresponding path program 61 times [2021-03-24 14:46:52,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:52,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435378677] [2021-03-24 14:46:52,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:52,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:52,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:52,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:52,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:52,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:52,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:52,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:46:52,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:52,356 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:46:52,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:46:52,364 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:52,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:52,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:52,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:52,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435378677] [2021-03-24 14:46:52,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:52,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:52,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374929295] [2021-03-24 14:46:52,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:52,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:52,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:52,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:52,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:46:52,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 855 transitions, 31738 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:52,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:52,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:46:52,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:54,297 INFO L129 PetriNetUnfolder]: 2216/4892 cut-off events. [2021-03-24 14:46:54,298 INFO L130 PetriNetUnfolder]: For 253979/254032 co-relation queries the response was YES. [2021-03-24 14:46:54,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53241 conditions, 4892 events. 2216/4892 cut-off events. For 253979/254032 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43982 event pairs, 531 based on Foata normal form. 1/4892 useless extension candidates. Maximal degree in co-relation 52574. Up to 2919 conditions per place. [2021-03-24 14:46:54,393 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 652 selfloop transitions, 211 changer transitions 1/870 dead transitions. [2021-03-24 14:46:54,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 870 transitions, 33653 flow [2021-03-24 14:46:54,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-24 14:46:54,394 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6502463054187192 [2021-03-24 14:46:54,394 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-24 14:46:54,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-24 14:46:54,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:54,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-24 14:46:54,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:54,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:54,394 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:54,394 INFO L185 Difference]: Start difference. First operand has 580 places, 855 transitions, 31738 flow. Second operand 7 states and 132 transitions. [2021-03-24 14:46:54,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 870 transitions, 33653 flow [2021-03-24 14:46:55,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 870 transitions, 33318 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-24 14:46:55,657 INFO L241 Difference]: Finished difference. Result has 585 places, 854 transitions, 31792 flow [2021-03-24 14:46:55,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31365, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=643, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31792, PETRI_PLACES=585, PETRI_TRANSITIONS=854} [2021-03-24 14:46:55,658 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 562 predicate places. [2021-03-24 14:46:55,658 INFO L480 AbstractCegarLoop]: Abstraction has has 585 places, 854 transitions, 31792 flow [2021-03-24 14:46:55,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:55,658 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:55,658 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:55,658 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-24 14:46:55,658 INFO L428 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:55,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1489066929, now seen corresponding path program 62 times [2021-03-24 14:46:55,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:55,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36210132] [2021-03-24 14:46:55,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:55,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:55,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:55,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:55,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:55,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:55,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:46:55,680 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:46:55,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:55,692 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:46:55,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:46:55,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:46:55,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:46:55,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:55,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:55,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36210132] [2021-03-24 14:46:55,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:46:55,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:46:55,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724683052] [2021-03-24 14:46:55,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:55,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:55,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:55,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:46:55,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:46:55,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 854 transitions, 31792 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:55,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:55,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:46:55,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:46:57,777 INFO L129 PetriNetUnfolder]: 2215/4881 cut-off events. [2021-03-24 14:46:57,777 INFO L130 PetriNetUnfolder]: For 254570/254623 co-relation queries the response was YES. [2021-03-24 14:46:57,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53218 conditions, 4881 events. 2215/4881 cut-off events. For 254570/254623 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43807 event pairs, 495 based on Foata normal form. 1/4881 useless extension candidates. Maximal degree in co-relation 52867. Up to 2919 conditions per place. [2021-03-24 14:46:57,862 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 649 selfloop transitions, 217 changer transitions 1/873 dead transitions. [2021-03-24 14:46:57,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 873 transitions, 33800 flow [2021-03-24 14:46:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:46:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:46:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 131 transitions. [2021-03-24 14:46:57,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.645320197044335 [2021-03-24 14:46:57,863 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 131 transitions. [2021-03-24 14:46:57,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 131 transitions. [2021-03-24 14:46:57,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:46:57,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 131 transitions. [2021-03-24 14:46:57,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:57,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:57,864 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:57,864 INFO L185 Difference]: Start difference. First operand has 585 places, 854 transitions, 31792 flow. Second operand 7 states and 131 transitions. [2021-03-24 14:46:57,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 873 transitions, 33800 flow [2021-03-24 14:46:58,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 873 transitions, 33380 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 14:46:58,974 INFO L241 Difference]: Finished difference. Result has 586 places, 852 transitions, 31735 flow [2021-03-24 14:46:58,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31332, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=853, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=636, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31735, PETRI_PLACES=586, PETRI_TRANSITIONS=852} [2021-03-24 14:46:58,974 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 563 predicate places. [2021-03-24 14:46:58,974 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 852 transitions, 31735 flow [2021-03-24 14:46:58,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:58,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:46:58,974 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:46:58,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-24 14:46:58,975 INFO L428 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:46:58,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:46:58,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1459577361, now seen corresponding path program 63 times [2021-03-24 14:46:58,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:46:58,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117925031] [2021-03-24 14:46:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:46:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:46:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:58,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:46:58,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 14:46:58,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:46:59,003 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-03-24 14:46:59,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:46:59,012 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:46:59,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:46:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:59,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117925031] [2021-03-24 14:46:59,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768381955] [2021-03-24 14:46:59,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:46:59,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:46:59,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:46:59,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:46:59,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:46:59,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,050 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:46:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:46:59,064 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-03-24 14:46:59,065 INFO L147 QuantifierPusher]: treesize reduction 10, result has 44.4 percent of original size 8 [2021-03-24 14:46:59,065 INFO L142 QuantifierPusher]: treesize reduction 10, result has 47.4 percent of original size [2021-03-24 14:46:59,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:59,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:46:59,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:46:59,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:46:59,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:46:59,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,073 INFO L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-03-24 14:46:59,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 14:46:59,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,082 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:46:59,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:46:59,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:59,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:46:59,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:46:59,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,085 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:46:59,086 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:46:59,086 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-24 14:46:59,087 INFO L147 QuantifierPusher]: treesize reduction 2, result has 66.7 percent of original size 4 [2021-03-24 14:46:59,087 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:46:59,087 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:46:59,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:46:59,097 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:46:59,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:46:59,108 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:46:59,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:46:59,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:46:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:46:59,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:46:59,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-03-24 14:46:59,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494651561] [2021-03-24 14:46:59,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:46:59,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:46:59,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:46:59,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-03-24 14:46:59,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:46:59,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 852 transitions, 31735 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:46:59,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:46:59,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:46:59,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:00,921 INFO L129 PetriNetUnfolder]: 2211/4852 cut-off events. [2021-03-24 14:47:00,921 INFO L130 PetriNetUnfolder]: For 254883/254936 co-relation queries the response was YES. [2021-03-24 14:47:00,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52883 conditions, 4852 events. 2211/4852 cut-off events. For 254883/254936 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 43346 event pairs, 489 based on Foata normal form. 4/4855 useless extension candidates. Maximal degree in co-relation 52552. Up to 2754 conditions per place. [2021-03-24 14:47:01,018 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 651 selfloop transitions, 218 changer transitions 0/876 dead transitions. [2021-03-24 14:47:01,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 876 transitions, 33854 flow [2021-03-24 14:47:01,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:47:01,022 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:47:01,022 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:47:01,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:47:01,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:01,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:47:01,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:01,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:01,023 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:01,023 INFO L185 Difference]: Start difference. First operand has 586 places, 852 transitions, 31735 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:47:01,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 876 transitions, 33854 flow [2021-03-24 14:47:02,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 876 transitions, 33413 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-24 14:47:02,297 INFO L241 Difference]: Finished difference. Result has 587 places, 852 transitions, 31729 flow [2021-03-24 14:47:02,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31230, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=850, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31729, PETRI_PLACES=587, PETRI_TRANSITIONS=852} [2021-03-24 14:47:02,297 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 564 predicate places. [2021-03-24 14:47:02,297 INFO L480 AbstractCegarLoop]: Abstraction has has 587 places, 852 transitions, 31729 flow [2021-03-24 14:47:02,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:02,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:02,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:02,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable244 [2021-03-24 14:47:02,498 INFO L428 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:02,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:02,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1061382345, now seen corresponding path program 64 times [2021-03-24 14:47:02,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:02,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24359153] [2021-03-24 14:47:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:02,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:47:02,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:47:02,542 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-24 14:47:02,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:47:02,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-03-24 14:47:02,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:02,565 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:47:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:47:02,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:02,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24359153] [2021-03-24 14:47:02,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852074066] [2021-03-24 14:47:02,573 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:47:02,602 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:47:02,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:47:02,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:47:02,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:47:02,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:47:02,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:02,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:02,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:02,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:02,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,636 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:47:02,637 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:47:02,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:47:02,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:47:02,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:47:02,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,639 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:47:02,650 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:47:02,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,651 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:47:02,653 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:47:02,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,654 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:47:02,654 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:47:02,654 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:47:02,654 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:47:02,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:47:02,665 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 14:47:02,665 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 14:47:02,666 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:47:02,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:47:02,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:47:02,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:02,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:02,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:02,675 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:47:02,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,686 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:47:02,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:02,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:47:02,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:02,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:02,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:02,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:02,697 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:47:02,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:02,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:47:02,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-03-24 14:47:02,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178066009] [2021-03-24 14:47:02,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:02,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:02,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:02,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-24 14:47:02,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:02,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 852 transitions, 31729 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:02,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:02,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:02,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:04,525 INFO L129 PetriNetUnfolder]: 2229/4905 cut-off events. [2021-03-24 14:47:04,526 INFO L130 PetriNetUnfolder]: For 257546/257599 co-relation queries the response was YES. [2021-03-24 14:47:04,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53459 conditions, 4905 events. 2229/4905 cut-off events. For 257546/257599 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 43952 event pairs, 511 based on Foata normal form. 2/4906 useless extension candidates. Maximal degree in co-relation 52831. Up to 2754 conditions per place. [2021-03-24 14:47:04,627 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 673 selfloop transitions, 209 changer transitions 0/889 dead transitions. [2021-03-24 14:47:04,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 889 transitions, 34257 flow [2021-03-24 14:47:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:47:04,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:47:04,628 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:47:04,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:47:04,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:04,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:47:04,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:04,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:04,629 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:04,629 INFO L185 Difference]: Start difference. First operand has 587 places, 852 transitions, 31729 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:47:04,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 889 transitions, 34257 flow [2021-03-24 14:47:05,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 889 transitions, 33758 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-03-24 14:47:05,957 INFO L241 Difference]: Finished difference. Result has 590 places, 859 transitions, 31962 flow [2021-03-24 14:47:05,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31216, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=642, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31962, PETRI_PLACES=590, PETRI_TRANSITIONS=859} [2021-03-24 14:47:05,958 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 567 predicate places. [2021-03-24 14:47:05,958 INFO L480 AbstractCegarLoop]: Abstraction has has 590 places, 859 transitions, 31962 flow [2021-03-24 14:47:05,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:05,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:05,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:06,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable246 [2021-03-24 14:47:06,159 INFO L428 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:06,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:06,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1092665743, now seen corresponding path program 65 times [2021-03-24 14:47:06,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:06,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87526405] [2021-03-24 14:47:06,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:06,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:47:06,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:47:06,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-24 14:47:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:47:06,195 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-03-24 14:47:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:06,200 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:47:06,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:47:06,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:06,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87526405] [2021-03-24 14:47:06,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544226149] [2021-03-24 14:47:06,209 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:47:06,235 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:47:06,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:47:06,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:47:06,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:47:06,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:47:06,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:06,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:06,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:06,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:06,255 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-03-24 14:47:06,255 INFO L147 QuantifierPusher]: treesize reduction 10, result has 44.4 percent of original size 8 [2021-03-24 14:47:06,256 INFO L142 QuantifierPusher]: treesize reduction 10, result has 47.4 percent of original size [2021-03-24 14:47:06,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:47:06,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:47:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:06,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:47:06,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:47:06,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,263 INFO L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-03-24 14:47:06,264 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 14:47:06,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:06,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:06,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:06,272 INFO L142 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-03-24 14:47:06,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,281 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-24 14:47:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:06,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:47:06,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:47:06,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:06,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:06,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:06,292 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:47:06,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:06,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:06,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:06,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:47:06,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-03-24 14:47:06,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247738376] [2021-03-24 14:47:06,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:06,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:06,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:06,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-24 14:47:06,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:06,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 859 transitions, 31962 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:06,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:06,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:06,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:08,174 INFO L129 PetriNetUnfolder]: 2227/4893 cut-off events. [2021-03-24 14:47:08,174 INFO L130 PetriNetUnfolder]: For 259766/259819 co-relation queries the response was YES. [2021-03-24 14:47:08,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53718 conditions, 4893 events. 2227/4893 cut-off events. For 259766/259819 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 43811 event pairs, 493 based on Foata normal form. 2/4894 useless extension candidates. Maximal degree in co-relation 53050. Up to 2754 conditions per place. [2021-03-24 14:47:08,445 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 655 selfloop transitions, 218 changer transitions 0/880 dead transitions. [2021-03-24 14:47:08,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 880 transitions, 34018 flow [2021-03-24 14:47:08,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:47:08,446 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:47:08,446 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:47:08,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:47:08,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:08,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:47:08,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:08,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:08,446 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:08,446 INFO L185 Difference]: Start difference. First operand has 590 places, 859 transitions, 31962 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:47:08,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 880 transitions, 34018 flow [2021-03-24 14:47:09,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 880 transitions, 33594 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-03-24 14:47:09,634 INFO L241 Difference]: Finished difference. Result has 593 places, 857 transitions, 31932 flow [2021-03-24 14:47:09,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31496, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=857, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=639, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31932, PETRI_PLACES=593, PETRI_TRANSITIONS=857} [2021-03-24 14:47:09,635 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 570 predicate places. [2021-03-24 14:47:09,635 INFO L480 AbstractCegarLoop]: Abstraction has has 593 places, 857 transitions, 31932 flow [2021-03-24 14:47:09,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:09,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:09,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:09,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable249 [2021-03-24 14:47:09,835 INFO L428 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:09,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:09,836 INFO L82 PathProgramCache]: Analyzing trace with hash -180786953, now seen corresponding path program 66 times [2021-03-24 14:47:09,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:09,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828775622] [2021-03-24 14:47:09,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:09,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:09,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:09,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:09,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:09,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:09,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:47:09,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:09,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:09,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:09,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:09,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:09,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:09,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:09,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:09,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828775622] [2021-03-24 14:47:09,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:09,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:09,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603238319] [2021-03-24 14:47:09,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:09,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:09,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:09,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:09,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:09,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 857 transitions, 31932 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:09,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:09,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:09,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:11,710 INFO L129 PetriNetUnfolder]: 2225/4878 cut-off events. [2021-03-24 14:47:11,710 INFO L130 PetriNetUnfolder]: For 256325/256378 co-relation queries the response was YES. [2021-03-24 14:47:11,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53318 conditions, 4878 events. 2225/4878 cut-off events. For 256325/256378 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 43567 event pairs, 498 based on Foata normal form. 2/4879 useless extension candidates. Maximal degree in co-relation 52650. Up to 2754 conditions per place. [2021-03-24 14:47:11,808 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 579 selfloop transitions, 287 changer transitions 1/874 dead transitions. [2021-03-24 14:47:11,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 874 transitions, 33974 flow [2021-03-24 14:47:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:47:11,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:47:11,808 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:47:11,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:47:11,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:11,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:47:11,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:11,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:11,809 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:11,809 INFO L185 Difference]: Start difference. First operand has 593 places, 857 transitions, 31932 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:47:11,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 874 transitions, 33974 flow [2021-03-24 14:47:13,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 874 transitions, 33550 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:47:13,102 INFO L241 Difference]: Finished difference. Result has 595 places, 854 transitions, 31991 flow [2021-03-24 14:47:13,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31451, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=287, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31991, PETRI_PLACES=595, PETRI_TRANSITIONS=854} [2021-03-24 14:47:13,102 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 572 predicate places. [2021-03-24 14:47:13,103 INFO L480 AbstractCegarLoop]: Abstraction has has 595 places, 854 transitions, 31991 flow [2021-03-24 14:47:13,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:13,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:13,103 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:13,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-24 14:47:13,103 INFO L428 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:13,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:13,103 INFO L82 PathProgramCache]: Analyzing trace with hash -686410793, now seen corresponding path program 70 times [2021-03-24 14:47:13,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:13,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722992415] [2021-03-24 14:47:13,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:13,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:13,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:13,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:13,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:13,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:47:13,129 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:47:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:13,135 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:47:13,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:13,144 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:47:13,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:47:13,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:13,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:13,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:13,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722992415] [2021-03-24 14:47:13,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:13,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:13,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298292929] [2021-03-24 14:47:13,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:13,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:13,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:13,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:13,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:47:13,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 854 transitions, 31991 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:13,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:13,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:47:13,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:15,077 INFO L129 PetriNetUnfolder]: 2221/4857 cut-off events. [2021-03-24 14:47:15,077 INFO L130 PetriNetUnfolder]: For 258271/258324 co-relation queries the response was YES. [2021-03-24 14:47:15,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53492 conditions, 4857 events. 2221/4857 cut-off events. For 258271/258324 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 42964 event pairs, 356 based on Foata normal form. 4/4860 useless extension candidates. Maximal degree in co-relation 52948. Up to 3100 conditions per place. [2021-03-24 14:47:15,168 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 691 selfloop transitions, 185 changer transitions 0/882 dead transitions. [2021-03-24 14:47:15,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 882 transitions, 34154 flow [2021-03-24 14:47:15,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 137 transitions. [2021-03-24 14:47:15,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6748768472906403 [2021-03-24 14:47:15,169 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 137 transitions. [2021-03-24 14:47:15,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 137 transitions. [2021-03-24 14:47:15,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:15,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 137 transitions. [2021-03-24 14:47:15,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:15,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:15,169 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:15,169 INFO L185 Difference]: Start difference. First operand has 595 places, 854 transitions, 31991 flow. Second operand 7 states and 137 transitions. [2021-03-24 14:47:15,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 882 transitions, 34154 flow [2021-03-24 14:47:16,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 882 transitions, 33558 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-24 14:47:16,421 INFO L241 Difference]: Finished difference. Result has 597 places, 857 transitions, 31861 flow [2021-03-24 14:47:16,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31335, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=852, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=667, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=31861, PETRI_PLACES=597, PETRI_TRANSITIONS=857} [2021-03-24 14:47:16,422 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 574 predicate places. [2021-03-24 14:47:16,422 INFO L480 AbstractCegarLoop]: Abstraction has has 597 places, 857 transitions, 31861 flow [2021-03-24 14:47:16,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:16,422 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:16,422 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:16,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-24 14:47:16,422 INFO L428 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:16,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:16,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1585126605, now seen corresponding path program 71 times [2021-03-24 14:47:16,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:16,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562054225] [2021-03-24 14:47:16,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:16,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:16,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:16,431 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:47:16,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:16,435 INFO L142 QuantifierPusher]: treesize reduction 8, result has 73.3 percent of original size [2021-03-24 14:47:16,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:47:16,451 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-24 14:47:16,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:47:16,458 INFO L142 QuantifierPusher]: treesize reduction 11, result has 50.0 percent of original size [2021-03-24 14:47:16,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:16,464 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-03-24 14:47:16,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 14:47:16,472 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 14:47:16,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:47:16,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:16,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:16,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562054225] [2021-03-24 14:47:16,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:16,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 14:47:16,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011382330] [2021-03-24 14:47:16,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:47:16,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:16,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:47:16,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:47:16,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:47:16,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 597 places, 857 transitions, 31861 flow. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:16,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:16,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:47:16,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:18,495 INFO L129 PetriNetUnfolder]: 2223/4827 cut-off events. [2021-03-24 14:47:18,495 INFO L130 PetriNetUnfolder]: For 255740/255793 co-relation queries the response was YES. [2021-03-24 14:47:18,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53396 conditions, 4827 events. 2223/4827 cut-off events. For 255740/255793 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 42549 event pairs, 336 based on Foata normal form. 2/4828 useless extension candidates. Maximal degree in co-relation 52931. Up to 3100 conditions per place. [2021-03-24 14:47:18,595 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 700 selfloop transitions, 191 changer transitions 0/897 dead transitions. [2021-03-24 14:47:18,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 897 transitions, 34465 flow [2021-03-24 14:47:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 137 transitions. [2021-03-24 14:47:18,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6748768472906403 [2021-03-24 14:47:18,596 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 137 transitions. [2021-03-24 14:47:18,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 137 transitions. [2021-03-24 14:47:18,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:18,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 137 transitions. [2021-03-24 14:47:18,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:18,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:18,597 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:18,597 INFO L185 Difference]: Start difference. First operand has 597 places, 857 transitions, 31861 flow. Second operand 7 states and 137 transitions. [2021-03-24 14:47:18,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 897 transitions, 34465 flow [2021-03-24 14:47:19,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 897 transitions, 34277 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-24 14:47:19,999 INFO L241 Difference]: Finished difference. Result has 603 places, 862 transitions, 32337 flow [2021-03-24 14:47:19,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31642, PETRI_DIFFERENCE_MINUEND_PLACES=595, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=856, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=32337, PETRI_PLACES=603, PETRI_TRANSITIONS=862} [2021-03-24 14:47:19,999 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 580 predicate places. [2021-03-24 14:47:20,000 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 862 transitions, 32337 flow [2021-03-24 14:47:20,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:20,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:20,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:20,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-03-24 14:47:20,000 INFO L428 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:20,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:20,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1508125903, now seen corresponding path program 72 times [2021-03-24 14:47:20,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:20,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038717120] [2021-03-24 14:47:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:20,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:20,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:20,009 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:47:20,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:20,014 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-24 14:47:20,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:47:20,023 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:47:20,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:20,030 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-03-24 14:47:20,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:20,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:20,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:20,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:20,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:20,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:20,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038717120] [2021-03-24 14:47:20,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:20,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 14:47:20,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244712708] [2021-03-24 14:47:20,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:47:20,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:20,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:47:20,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:47:20,048 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:20,048 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 862 transitions, 32337 flow. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:20,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:20,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:20,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:22,081 INFO L129 PetriNetUnfolder]: 2343/5133 cut-off events. [2021-03-24 14:47:22,082 INFO L130 PetriNetUnfolder]: For 270630/270683 co-relation queries the response was YES. [2021-03-24 14:47:22,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56292 conditions, 5133 events. 2343/5133 cut-off events. For 270630/270683 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 45959 event pairs, 188 based on Foata normal form. 4/5136 useless extension candidates. Maximal degree in co-relation 55927. Up to 2168 conditions per place. [2021-03-24 14:47:22,185 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 596 selfloop transitions, 320 changer transitions 0/923 dead transitions. [2021-03-24 14:47:22,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 923 transitions, 35852 flow [2021-03-24 14:47:22,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:47:22,186 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:47:22,186 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:47:22,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:47:22,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:22,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:47:22,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:22,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:22,186 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:22,186 INFO L185 Difference]: Start difference. First operand has 603 places, 862 transitions, 32337 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:47:22,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 923 transitions, 35852 flow [2021-03-24 14:47:23,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 923 transitions, 35478 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-24 14:47:23,539 INFO L241 Difference]: Finished difference. Result has 607 places, 876 transitions, 33374 flow [2021-03-24 14:47:23,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=31935, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=33374, PETRI_PLACES=607, PETRI_TRANSITIONS=876} [2021-03-24 14:47:23,540 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 584 predicate places. [2021-03-24 14:47:23,540 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 876 transitions, 33374 flow [2021-03-24 14:47:23,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:23,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:23,540 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:23,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-03-24 14:47:23,540 INFO L428 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:23,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:23,540 INFO L82 PathProgramCache]: Analyzing trace with hash 312339635, now seen corresponding path program 73 times [2021-03-24 14:47:23,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:23,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458147272] [2021-03-24 14:47:23,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:23,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:23,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:23,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:23,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:23,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:23,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:47:23,571 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-03-24 14:47:23,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:23,578 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:47:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:23,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:23,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:23,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:23,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:23,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458147272] [2021-03-24 14:47:23,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:23,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:23,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700740975] [2021-03-24 14:47:23,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:23,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:23,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:23,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:23,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:47:23,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 876 transitions, 33374 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:23,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:23,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:47:23,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:25,705 INFO L129 PetriNetUnfolder]: 2342/5176 cut-off events. [2021-03-24 14:47:25,706 INFO L130 PetriNetUnfolder]: For 281397/281450 co-relation queries the response was YES. [2021-03-24 14:47:25,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57563 conditions, 5176 events. 2342/5176 cut-off events. For 281397/281450 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 46665 event pairs, 401 based on Foata normal form. 1/5176 useless extension candidates. Maximal degree in co-relation 56873. Up to 3326 conditions per place. [2021-03-24 14:47:25,806 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 700 selfloop transitions, 193 changer transitions 1/900 dead transitions. [2021-03-24 14:47:25,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 613 places, 900 transitions, 35537 flow [2021-03-24 14:47:25,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:25,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 132 transitions. [2021-03-24 14:47:25,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6502463054187192 [2021-03-24 14:47:25,808 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 132 transitions. [2021-03-24 14:47:25,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 132 transitions. [2021-03-24 14:47:25,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:25,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 132 transitions. [2021-03-24 14:47:25,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:25,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:25,809 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:25,809 INFO L185 Difference]: Start difference. First operand has 607 places, 876 transitions, 33374 flow. Second operand 7 states and 132 transitions. [2021-03-24 14:47:25,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 613 places, 900 transitions, 35537 flow [2021-03-24 14:47:27,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 900 transitions, 35442 flow, removed 33 selfloop flow, removed 1 redundant places. [2021-03-24 14:47:27,288 INFO L241 Difference]: Finished difference. Result has 612 places, 874 transitions, 33615 flow [2021-03-24 14:47:27,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=33258, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=875, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=33615, PETRI_PLACES=612, PETRI_TRANSITIONS=874} [2021-03-24 14:47:27,289 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 589 predicate places. [2021-03-24 14:47:27,289 INFO L480 AbstractCegarLoop]: Abstraction has has 612 places, 874 transitions, 33615 flow [2021-03-24 14:47:27,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:27,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:27,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:27,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-03-24 14:47:27,289 INFO L428 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:27,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:27,289 INFO L82 PathProgramCache]: Analyzing trace with hash -172909625, now seen corresponding path program 67 times [2021-03-24 14:47:27,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:27,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358170394] [2021-03-24 14:47:27,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:27,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:27,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:27,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:27,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:27,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:47:27,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:27,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:27,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:27,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:27,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:27,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:27,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:27,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358170394] [2021-03-24 14:47:27,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:27,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:27,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86288208] [2021-03-24 14:47:27,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:27,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:27,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:27,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:27,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:27,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 874 transitions, 33615 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:27,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:27,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:27,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:29,945 INFO L129 PetriNetUnfolder]: 2340/5143 cut-off events. [2021-03-24 14:47:29,945 INFO L130 PetriNetUnfolder]: For 281806/281859 co-relation queries the response was YES. [2021-03-24 14:47:30,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57288 conditions, 5143 events. 2340/5143 cut-off events. For 281806/281859 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 46286 event pairs, 547 based on Foata normal form. 2/5144 useless extension candidates. Maximal degree in co-relation 56598. Up to 2993 conditions per place. [2021-03-24 14:47:30,246 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 630 selfloop transitions, 254 changer transitions 1/892 dead transitions. [2021-03-24 14:47:30,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 892 transitions, 35689 flow [2021-03-24 14:47:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:47:30,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:47:30,247 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:47:30,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:47:30,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:30,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:47:30,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:30,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:30,248 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:30,248 INFO L185 Difference]: Start difference. First operand has 612 places, 874 transitions, 33615 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:47:30,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 892 transitions, 35689 flow [2021-03-24 14:47:31,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 610 places, 892 transitions, 35249 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-24 14:47:31,712 INFO L241 Difference]: Finished difference. Result has 610 places, 871 transitions, 33591 flow [2021-03-24 14:47:31,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=33119, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=872, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=618, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=33591, PETRI_PLACES=610, PETRI_TRANSITIONS=871} [2021-03-24 14:47:31,712 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 587 predicate places. [2021-03-24 14:47:31,712 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 871 transitions, 33591 flow [2021-03-24 14:47:31,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:31,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:31,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:31,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-03-24 14:47:31,713 INFO L428 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:31,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:31,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1967659707, now seen corresponding path program 74 times [2021-03-24 14:47:31,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:31,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659644072] [2021-03-24 14:47:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:31,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:31,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:31,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:31,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:31,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:31,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:47:31,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:31,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:31,735 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:47:31,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:47:31,742 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:47:31,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:31,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:31,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:31,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659644072] [2021-03-24 14:47:31,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:31,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:31,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907436521] [2021-03-24 14:47:31,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:31,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:31,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:31,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:31,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:31,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 871 transitions, 33591 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:31,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:31,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:31,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:33,744 INFO L129 PetriNetUnfolder]: 2332/5101 cut-off events. [2021-03-24 14:47:33,744 INFO L130 PetriNetUnfolder]: For 282514/282567 co-relation queries the response was YES. [2021-03-24 14:47:33,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57026 conditions, 5101 events. 2332/5101 cut-off events. For 282514/282567 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 45532 event pairs, 432 based on Foata normal form. 8/5108 useless extension candidates. Maximal degree in co-relation 56340. Up to 3154 conditions per place. [2021-03-24 14:47:33,850 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 695 selfloop transitions, 203 changer transitions 0/905 dead transitions. [2021-03-24 14:47:33,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 905 transitions, 36023 flow [2021-03-24 14:47:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:47:33,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:47:33,860 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:47:33,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:47:33,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:33,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:47:33,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:33,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:33,861 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:33,861 INFO L185 Difference]: Start difference. First operand has 610 places, 871 transitions, 33591 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:47:33,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 905 transitions, 36023 flow [2021-03-24 14:47:35,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 905 transitions, 35529 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-24 14:47:35,256 INFO L241 Difference]: Finished difference. Result has 612 places, 871 transitions, 33553 flow [2021-03-24 14:47:35,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=33045, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=869, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=666, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=33553, PETRI_PLACES=612, PETRI_TRANSITIONS=871} [2021-03-24 14:47:35,257 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 589 predicate places. [2021-03-24 14:47:35,257 INFO L480 AbstractCegarLoop]: Abstraction has has 612 places, 871 transitions, 33553 flow [2021-03-24 14:47:35,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:35,257 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:35,257 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:35,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-03-24 14:47:35,257 INFO L428 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:35,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:35,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2134521839, now seen corresponding path program 68 times [2021-03-24 14:47:35,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:35,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828818115] [2021-03-24 14:47:35,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:35,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:35,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:35,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:35,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:35,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:35,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:47:35,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:35,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:47:35,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:35,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:35,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:35,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:35,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:35,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:35,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:35,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828818115] [2021-03-24 14:47:35,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:35,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:35,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452817730] [2021-03-24 14:47:35,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:35,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:35,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:35,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:35,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:35,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 871 transitions, 33553 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:35,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:35,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:35,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:37,340 INFO L129 PetriNetUnfolder]: 2328/5076 cut-off events. [2021-03-24 14:47:37,340 INFO L130 PetriNetUnfolder]: For 279066/279119 co-relation queries the response was YES. [2021-03-24 14:47:37,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56963 conditions, 5076 events. 2328/5076 cut-off events. For 279066/279119 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 45319 event pairs, 561 based on Foata normal form. 4/5079 useless extension candidates. Maximal degree in co-relation 56276. Up to 2973 conditions per place. [2021-03-24 14:47:37,442 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 601 selfloop transitions, 285 changer transitions 0/893 dead transitions. [2021-03-24 14:47:37,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 893 transitions, 35747 flow [2021-03-24 14:47:37,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:47:37,443 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:47:37,443 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:47:37,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:47:37,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:37,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:47:37,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:37,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:37,444 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:37,444 INFO L185 Difference]: Start difference. First operand has 612 places, 871 transitions, 33553 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:47:37,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 893 transitions, 35747 flow [2021-03-24 14:47:38,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 893 transitions, 35489 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-24 14:47:38,769 INFO L241 Difference]: Finished difference. Result has 617 places, 876 transitions, 34048 flow [2021-03-24 14:47:38,770 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=33295, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=871, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=34048, PETRI_PLACES=617, PETRI_TRANSITIONS=876} [2021-03-24 14:47:38,770 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 594 predicate places. [2021-03-24 14:47:38,770 INFO L480 AbstractCegarLoop]: Abstraction has has 617 places, 876 transitions, 34048 flow [2021-03-24 14:47:38,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:38,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:38,770 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:38,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-03-24 14:47:38,770 INFO L428 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:38,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:38,771 INFO L82 PathProgramCache]: Analyzing trace with hash 110003435, now seen corresponding path program 75 times [2021-03-24 14:47:38,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:38,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416609048] [2021-03-24 14:47:38,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:38,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:38,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:38,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:38,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:47:38,787 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:47:38,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:47:38,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:38,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:38,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:38,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:38,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:38,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:38,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416609048] [2021-03-24 14:47:38,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:38,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:38,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135447771] [2021-03-24 14:47:38,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:38,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:38,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:38,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:38,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:38,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 876 transitions, 34048 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:38,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:38,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:38,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:40,773 INFO L129 PetriNetUnfolder]: 2324/5047 cut-off events. [2021-03-24 14:47:40,773 INFO L130 PetriNetUnfolder]: For 283769/283822 co-relation queries the response was YES. [2021-03-24 14:47:40,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57228 conditions, 5047 events. 2324/5047 cut-off events. For 283769/283822 co-relation queries the response was YES. Maximal size of possible extension queue 537. Compared 44718 event pairs, 427 based on Foata normal form. 4/5050 useless extension candidates. Maximal degree in co-relation 56647. Up to 3144 conditions per place. [2021-03-24 14:47:40,879 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 695 selfloop transitions, 206 changer transitions 0/908 dead transitions. [2021-03-24 14:47:40,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 908 transitions, 36494 flow [2021-03-24 14:47:40,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:47:40,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:47:40,880 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:47:40,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:47:40,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:40,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:47:40,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:40,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:40,880 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:40,880 INFO L185 Difference]: Start difference. First operand has 617 places, 876 transitions, 34048 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:47:40,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 908 transitions, 36494 flow [2021-03-24 14:47:42,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 908 transitions, 35943 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-24 14:47:42,295 INFO L241 Difference]: Finished difference. Result has 621 places, 883 transitions, 34165 flow [2021-03-24 14:47:42,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=33497, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=34165, PETRI_PLACES=621, PETRI_TRANSITIONS=883} [2021-03-24 14:47:42,295 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 598 predicate places. [2021-03-24 14:47:42,295 INFO L480 AbstractCegarLoop]: Abstraction has has 621 places, 883 transitions, 34165 flow [2021-03-24 14:47:42,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:42,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:42,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:42,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-03-24 14:47:42,295 INFO L428 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:42,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:42,296 INFO L82 PathProgramCache]: Analyzing trace with hash -179003015, now seen corresponding path program 69 times [2021-03-24 14:47:42,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:42,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085847424] [2021-03-24 14:47:42,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:42,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:42,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:42,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:42,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:42,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:42,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:47:42,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:42,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:42,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:42,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:42,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:42,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:42,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:42,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:42,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085847424] [2021-03-24 14:47:42,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:42,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:42,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831531997] [2021-03-24 14:47:42,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:42,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:42,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:42,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:42,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:42,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 883 transitions, 34165 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:42,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:42,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:42,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:44,951 INFO L129 PetriNetUnfolder]: 2324/5041 cut-off events. [2021-03-24 14:47:44,951 INFO L130 PetriNetUnfolder]: For 281998/282051 co-relation queries the response was YES. [2021-03-24 14:47:45,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57140 conditions, 5041 events. 2324/5041 cut-off events. For 281998/282051 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 44762 event pairs, 543 based on Foata normal form. 2/5042 useless extension candidates. Maximal degree in co-relation 56566. Up to 2963 conditions per place. [2021-03-24 14:47:45,389 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 600 selfloop transitions, 292 changer transitions 0/899 dead transitions. [2021-03-24 14:47:45,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 899 transitions, 36253 flow [2021-03-24 14:47:45,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:47:45,390 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:47:45,390 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:47:45,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:47:45,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:45,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:47:45,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:45,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:45,391 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:45,391 INFO L185 Difference]: Start difference. First operand has 621 places, 883 transitions, 34165 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:47:45,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 899 transitions, 36253 flow [2021-03-24 14:47:46,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 899 transitions, 35922 flow, removed 81 selfloop flow, removed 3 redundant places. [2021-03-24 14:47:46,999 INFO L241 Difference]: Finished difference. Result has 623 places, 882 transitions, 34451 flow [2021-03-24 14:47:46,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=33822, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=34451, PETRI_PLACES=623, PETRI_TRANSITIONS=882} [2021-03-24 14:47:47,000 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 600 predicate places. [2021-03-24 14:47:47,000 INFO L480 AbstractCegarLoop]: Abstraction has has 623 places, 882 transitions, 34451 flow [2021-03-24 14:47:47,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:47,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:47,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:47,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-03-24 14:47:47,000 INFO L428 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:47,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:47,000 INFO L82 PathProgramCache]: Analyzing trace with hash -171125687, now seen corresponding path program 70 times [2021-03-24 14:47:47,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:47,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900730160] [2021-03-24 14:47:47,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:47,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:47,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:47,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:47,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:47,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:47,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:47:47,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:47,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:47,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:47,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:47,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:47,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:47,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900730160] [2021-03-24 14:47:47,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:47,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:47,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515062254] [2021-03-24 14:47:47,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:47,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:47,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:47,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:47,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:47,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 882 transitions, 34451 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:47,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:47,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:47,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:49,899 INFO L129 PetriNetUnfolder]: 2324/5036 cut-off events. [2021-03-24 14:47:49,899 INFO L130 PetriNetUnfolder]: For 282349/282402 co-relation queries the response was YES. [2021-03-24 14:47:50,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55974 conditions, 5036 events. 2324/5036 cut-off events. For 282349/282402 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 44631 event pairs, 535 based on Foata normal form. 2/5037 useless extension candidates. Maximal degree in co-relation 55559. Up to 2963 conditions per place. [2021-03-24 14:47:50,034 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 634 selfloop transitions, 257 changer transitions 0/898 dead transitions. [2021-03-24 14:47:50,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 898 transitions, 36463 flow [2021-03-24 14:47:50,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:47:50,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:47:50,035 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:47:50,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:47:50,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:50,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:47:50,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:50,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:50,035 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:50,035 INFO L185 Difference]: Start difference. First operand has 623 places, 882 transitions, 34451 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:47:50,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 898 transitions, 36463 flow [2021-03-24 14:47:51,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 898 transitions, 35960 flow, removed 73 selfloop flow, removed 5 redundant places. [2021-03-24 14:47:51,423 INFO L241 Difference]: Finished difference. Result has 621 places, 880 transitions, 34448 flow [2021-03-24 14:47:51,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=33934, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=34448, PETRI_PLACES=621, PETRI_TRANSITIONS=880} [2021-03-24 14:47:51,423 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 598 predicate places. [2021-03-24 14:47:51,423 INFO L480 AbstractCegarLoop]: Abstraction has has 621 places, 880 transitions, 34448 flow [2021-03-24 14:47:51,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:51,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:51,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:51,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-03-24 14:47:51,424 INFO L428 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:51,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:51,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1112916385, now seen corresponding path program 76 times [2021-03-24 14:47:51,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:51,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119490752] [2021-03-24 14:47:51,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:51,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:51,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:51,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:51,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:51,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:51,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:47:51,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:51,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:47:51,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:51,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:51,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:51,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:51,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:51,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:51,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119490752] [2021-03-24 14:47:51,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:51,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:51,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042462185] [2021-03-24 14:47:51,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:51,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:51,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:51,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:51,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:51,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 880 transitions, 34448 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:51,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:51,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:51,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:53,504 INFO L129 PetriNetUnfolder]: 2320/5014 cut-off events. [2021-03-24 14:47:53,504 INFO L130 PetriNetUnfolder]: For 281239/281292 co-relation queries the response was YES. [2021-03-24 14:47:53,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54680 conditions, 5014 events. 2320/5014 cut-off events. For 281239/281292 co-relation queries the response was YES. Maximal size of possible extension queue 529. Compared 44083 event pairs, 427 based on Foata normal form. 4/5017 useless extension candidates. Maximal degree in co-relation 54269. Up to 3138 conditions per place. [2021-03-24 14:47:53,616 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 692 selfloop transitions, 205 changer transitions 1/905 dead transitions. [2021-03-24 14:47:53,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 905 transitions, 36644 flow [2021-03-24 14:47:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:47:53,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:47:53,617 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:47:53,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:47:53,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:53,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:47:53,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:53,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:53,617 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:53,617 INFO L185 Difference]: Start difference. First operand has 621 places, 880 transitions, 34448 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:47:53,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 905 transitions, 36644 flow [2021-03-24 14:47:55,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 905 transitions, 36334 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 14:47:55,127 INFO L241 Difference]: Finished difference. Result has 623 places, 879 transitions, 34528 flow [2021-03-24 14:47:55,128 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=34138, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=34528, PETRI_PLACES=623, PETRI_TRANSITIONS=879} [2021-03-24 14:47:55,128 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 600 predicate places. [2021-03-24 14:47:55,128 INFO L480 AbstractCegarLoop]: Abstraction has has 623 places, 879 transitions, 34528 flow [2021-03-24 14:47:55,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:55,128 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:55,128 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:55,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2021-03-24 14:47:55,128 INFO L428 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:55,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:55,129 INFO L82 PathProgramCache]: Analyzing trace with hash -947848597, now seen corresponding path program 71 times [2021-03-24 14:47:55,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:55,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968347729] [2021-03-24 14:47:55,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:55,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:55,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:47:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:55,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:47:55,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:47:55,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:47:55,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:55,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:55,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:55,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:55,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968347729] [2021-03-24 14:47:55,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:55,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:55,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861307021] [2021-03-24 14:47:55,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:55,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:55,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:55,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:55,167 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:55,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 879 transitions, 34528 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:55,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:55,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:55,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:47:57,127 INFO L129 PetriNetUnfolder]: 2316/4996 cut-off events. [2021-03-24 14:47:57,127 INFO L130 PetriNetUnfolder]: For 284723/284776 co-relation queries the response was YES. [2021-03-24 14:47:57,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54512 conditions, 4996 events. 2316/4996 cut-off events. For 284723/284776 co-relation queries the response was YES. Maximal size of possible extension queue 525. Compared 44077 event pairs, 560 based on Foata normal form. 4/4999 useless extension candidates. Maximal degree in co-relation 54039. Up to 2953 conditions per place. [2021-03-24 14:47:57,233 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 669 selfloop transitions, 225 changer transitions 0/901 dead transitions. [2021-03-24 14:47:57,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 901 transitions, 36628 flow [2021-03-24 14:47:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:47:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:47:57,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:47:57,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:47:57,234 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:47:57,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:47:57,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:47:57,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:47:57,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:57,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:57,235 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:57,235 INFO L185 Difference]: Start difference. First operand has 623 places, 879 transitions, 34528 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:47:57,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 901 transitions, 36628 flow [2021-03-24 14:47:58,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 901 transitions, 36129 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-24 14:47:58,586 INFO L241 Difference]: Finished difference. Result has 626 places, 883 transitions, 34603 flow [2021-03-24 14:47:58,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=34029, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=879, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=34603, PETRI_PLACES=626, PETRI_TRANSITIONS=883} [2021-03-24 14:47:58,586 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 603 predicate places. [2021-03-24 14:47:58,586 INFO L480 AbstractCegarLoop]: Abstraction has has 626 places, 883 transitions, 34603 flow [2021-03-24 14:47:58,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:58,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:47:58,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:47:58,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2021-03-24 14:47:58,587 INFO L428 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:47:58,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:47:58,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1895277709, now seen corresponding path program 77 times [2021-03-24 14:47:58,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:47:58,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809579725] [2021-03-24 14:47:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:47:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:47:58,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:58,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:58,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:58,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:58,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:58,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:47:58,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:58,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:47:58,609 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:47:58,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:47:58,618 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 14:47:58,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:47:58,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:47:58,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:47:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:47:58,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809579725] [2021-03-24 14:47:58,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:47:58,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:47:58,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531156468] [2021-03-24 14:47:58,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:47:58,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:47:58,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:47:58,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:47:58,625 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:47:58,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 883 transitions, 34603 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:47:58,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:47:58,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:47:58,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:00,629 INFO L129 PetriNetUnfolder]: 2326/4974 cut-off events. [2021-03-24 14:48:00,629 INFO L130 PetriNetUnfolder]: For 289007/289060 co-relation queries the response was YES. [2021-03-24 14:48:00,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54513 conditions, 4974 events. 2326/4974 cut-off events. For 289007/289060 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 43230 event pairs, 312 based on Foata normal form. 8/4981 useless extension candidates. Maximal degree in co-relation 54043. Up to 2176 conditions per place. [2021-03-24 14:48:00,724 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 604 selfloop transitions, 326 changer transitions 0/937 dead transitions. [2021-03-24 14:48:00,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 937 transitions, 37765 flow [2021-03-24 14:48:00,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:48:00,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:48:00,725 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:48:00,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:48:00,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:00,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:48:00,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:00,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:00,726 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:00,726 INFO L185 Difference]: Start difference. First operand has 626 places, 883 transitions, 34603 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:48:00,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 937 transitions, 37765 flow [2021-03-24 14:48:01,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 937 transitions, 37280 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-24 14:48:02,004 INFO L241 Difference]: Finished difference. Result has 630 places, 894 transitions, 35356 flow [2021-03-24 14:48:02,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=34118, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=315, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=35356, PETRI_PLACES=630, PETRI_TRANSITIONS=894} [2021-03-24 14:48:02,005 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 607 predicate places. [2021-03-24 14:48:02,005 INFO L480 AbstractCegarLoop]: Abstraction has has 630 places, 894 transitions, 35356 flow [2021-03-24 14:48:02,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:02,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:02,005 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:02,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2021-03-24 14:48:02,006 INFO L428 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:02,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:02,006 INFO L82 PathProgramCache]: Analyzing trace with hash 122726689, now seen corresponding path program 78 times [2021-03-24 14:48:02,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:02,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212981647] [2021-03-24 14:48:02,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:02,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:02,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:02,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:02,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:48:02,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:02,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:02,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:02,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:02,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:02,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:02,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212981647] [2021-03-24 14:48:02,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:02,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:02,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883436210] [2021-03-24 14:48:02,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:02,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:02,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:02,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:02,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:02,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 894 transitions, 35356 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:02,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:02,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:02,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:05,191 INFO L129 PetriNetUnfolder]: 2324/4967 cut-off events. [2021-03-24 14:48:05,191 INFO L130 PetriNetUnfolder]: For 295527/295580 co-relation queries the response was YES. [2021-03-24 14:48:05,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54801 conditions, 4967 events. 2324/4967 cut-off events. For 295527/295580 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 43237 event pairs, 431 based on Foata normal form. 4/4970 useless extension candidates. Maximal degree in co-relation 54341. Up to 3134 conditions per place. [2021-03-24 14:48:05,305 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 697 selfloop transitions, 225 changer transitions 0/929 dead transitions. [2021-03-24 14:48:05,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 929 transitions, 37983 flow [2021-03-24 14:48:05,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:48:05,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:48:05,306 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:48:05,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:48:05,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:05,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:48:05,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:05,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:05,307 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:05,307 INFO L185 Difference]: Start difference. First operand has 630 places, 894 transitions, 35356 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:48:05,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 929 transitions, 37983 flow [2021-03-24 14:48:06,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 929 transitions, 37703 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-03-24 14:48:06,894 INFO L241 Difference]: Finished difference. Result has 636 places, 906 transitions, 36012 flow [2021-03-24 14:48:06,895 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=35076, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=894, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=36012, PETRI_PLACES=636, PETRI_TRANSITIONS=906} [2021-03-24 14:48:06,895 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 613 predicate places. [2021-03-24 14:48:06,895 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 906 transitions, 36012 flow [2021-03-24 14:48:06,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:06,895 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:06,895 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:06,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2021-03-24 14:48:06,895 INFO L428 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:06,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:06,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1926558259, now seen corresponding path program 79 times [2021-03-24 14:48:06,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:06,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931394521] [2021-03-24 14:48:06,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:06,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:06,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:06,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:06,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:06,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:06,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:06,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:06,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:48:06,918 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:48:06,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:06,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:06,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:06,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:06,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:06,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931394521] [2021-03-24 14:48:06,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:06,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:06,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568646054] [2021-03-24 14:48:06,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:06,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:06,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:06,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:06,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:06,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 906 transitions, 36012 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:06,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:06,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:06,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:09,015 INFO L129 PetriNetUnfolder]: 2318/4930 cut-off events. [2021-03-24 14:48:09,016 INFO L130 PetriNetUnfolder]: For 299144/299197 co-relation queries the response was YES. [2021-03-24 14:48:09,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54695 conditions, 4930 events. 2318/4930 cut-off events. For 299144/299197 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 42611 event pairs, 295 based on Foata normal form. 6/4935 useless extension candidates. Maximal degree in co-relation 54268. Up to 2176 conditions per place. [2021-03-24 14:48:09,125 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 609 selfloop transitions, 326 changer transitions 0/942 dead transitions. [2021-03-24 14:48:09,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 942 transitions, 38546 flow [2021-03-24 14:48:09,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2021-03-24 14:48:09,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7438423645320197 [2021-03-24 14:48:09,125 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 151 transitions. [2021-03-24 14:48:09,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 151 transitions. [2021-03-24 14:48:09,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:09,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 151 transitions. [2021-03-24 14:48:09,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:09,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:09,126 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:09,126 INFO L185 Difference]: Start difference. First operand has 636 places, 906 transitions, 36012 flow. Second operand 7 states and 151 transitions. [2021-03-24 14:48:09,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 942 transitions, 38546 flow [2021-03-24 14:48:10,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 942 transitions, 37983 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-24 14:48:10,512 INFO L241 Difference]: Finished difference. Result has 639 places, 905 transitions, 36097 flow [2021-03-24 14:48:10,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=35347, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=36097, PETRI_PLACES=639, PETRI_TRANSITIONS=905} [2021-03-24 14:48:10,512 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 616 predicate places. [2021-03-24 14:48:10,512 INFO L480 AbstractCegarLoop]: Abstraction has has 639 places, 905 transitions, 36097 flow [2021-03-24 14:48:10,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:10,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:10,512 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:10,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265 [2021-03-24 14:48:10,513 INFO L428 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:10,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:10,513 INFO L82 PathProgramCache]: Analyzing trace with hash -11648921, now seen corresponding path program 72 times [2021-03-24 14:48:10,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:10,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807797564] [2021-03-24 14:48:10,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:10,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:48:10,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:48:10,531 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:48:10,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:48:10,541 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 14:48:10,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:48:10,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:10,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807797564] [2021-03-24 14:48:10,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934309718] [2021-03-24 14:48:10,555 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:48:10,581 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:48:10,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:48:10,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:48:10,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:48:10,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,587 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:48:10,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:48:10,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:48:10,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:48:10,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:48:10,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,601 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:48:10,601 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:48:10,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:48:10,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:48:10,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:48:10,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,603 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:48:10,603 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:48:10,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,605 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:48:10,605 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:48:10,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,607 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:48:10,607 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:48:10,607 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:48:10,608 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:48:10,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:10,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:48:10,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:48:10,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:48:10,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:48:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:48:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,622 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:48:10,623 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:48:10,623 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-03-24 14:48:10,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:10,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:10,636 INFO L142 QuantifierPusher]: treesize reduction 7, result has 63.2 percent of original size [2021-03-24 14:48:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:10,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:48:10,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:48:10,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:10,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:10,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:10,648 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 14:48:10,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:10,652 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:48:10,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:10,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:10,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:48:10,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:48:10,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512081196] [2021-03-24 14:48:10,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:10,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:10,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:10,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:48:10,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:10,657 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 905 transitions, 36097 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:10,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:10,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:10,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:12,742 INFO L129 PetriNetUnfolder]: 2314/4913 cut-off events. [2021-03-24 14:48:12,742 INFO L130 PetriNetUnfolder]: For 298512/298565 co-relation queries the response was YES. [2021-03-24 14:48:12,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54876 conditions, 4913 events. 2314/4913 cut-off events. For 298512/298565 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 42618 event pairs, 552 based on Foata normal form. 4/4916 useless extension candidates. Maximal degree in co-relation 54448. Up to 2941 conditions per place. [2021-03-24 14:48:12,844 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 693 selfloop transitions, 225 changer transitions 0/925 dead transitions. [2021-03-24 14:48:12,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 645 places, 925 transitions, 38236 flow [2021-03-24 14:48:12,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:48:12,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:48:12,844 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:48:12,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:48:12,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:12,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:48:12,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:12,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:12,845 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:12,845 INFO L185 Difference]: Start difference. First operand has 639 places, 905 transitions, 36097 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:48:12,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 645 places, 925 transitions, 38236 flow [2021-03-24 14:48:14,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 925 transitions, 37757 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-24 14:48:14,184 INFO L241 Difference]: Finished difference. Result has 644 places, 908 transitions, 36197 flow [2021-03-24 14:48:14,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=35622, PETRI_DIFFERENCE_MINUEND_PLACES=636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=905, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=36197, PETRI_PLACES=644, PETRI_TRANSITIONS=908} [2021-03-24 14:48:14,185 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 621 predicate places. [2021-03-24 14:48:14,185 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 908 transitions, 36197 flow [2021-03-24 14:48:14,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:14,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:14,185 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:14,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable266 [2021-03-24 14:48:14,385 INFO L428 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:14,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:14,386 INFO L82 PathProgramCache]: Analyzing trace with hash -2119531407, now seen corresponding path program 80 times [2021-03-24 14:48:14,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:14,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567423253] [2021-03-24 14:48:14,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:14,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:14,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:14,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:14,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:14,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:14,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:14,400 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:48:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:14,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:14,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:14,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:14,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:14,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:14,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:14,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567423253] [2021-03-24 14:48:14,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:14,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:14,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387445622] [2021-03-24 14:48:14,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:14,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:14,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:14,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:14,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:14,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 908 transitions, 36197 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:14,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:14,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:14,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:16,494 INFO L129 PetriNetUnfolder]: 2310/4891 cut-off events. [2021-03-24 14:48:16,495 INFO L130 PetriNetUnfolder]: For 298770/298823 co-relation queries the response was YES. [2021-03-24 14:48:16,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54706 conditions, 4891 events. 2310/4891 cut-off events. For 298770/298823 co-relation queries the response was YES. Maximal size of possible extension queue 510. Compared 42064 event pairs, 360 based on Foata normal form. 4/4894 useless extension candidates. Maximal degree in co-relation 54280. Up to 2176 conditions per place. [2021-03-24 14:48:16,603 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 638 selfloop transitions, 290 changer transitions 1/936 dead transitions. [2021-03-24 14:48:16,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 936 transitions, 38564 flow [2021-03-24 14:48:16,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:48:16,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:48:16,604 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:48:16,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:48:16,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:16,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:48:16,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:16,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:16,605 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:16,605 INFO L185 Difference]: Start difference. First operand has 644 places, 908 transitions, 36197 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:48:16,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 936 transitions, 38564 flow [2021-03-24 14:48:18,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 936 transitions, 37913 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-24 14:48:18,129 INFO L241 Difference]: Finished difference. Result has 646 places, 907 transitions, 36100 flow [2021-03-24 14:48:18,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=35546, PETRI_DIFFERENCE_MINUEND_PLACES=639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=618, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=36100, PETRI_PLACES=646, PETRI_TRANSITIONS=907} [2021-03-24 14:48:18,129 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 623 predicate places. [2021-03-24 14:48:18,129 INFO L480 AbstractCegarLoop]: Abstraction has has 646 places, 907 transitions, 36100 flow [2021-03-24 14:48:18,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:18,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:18,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:18,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270 [2021-03-24 14:48:18,130 INFO L428 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:18,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:18,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1374459671, now seen corresponding path program 81 times [2021-03-24 14:48:18,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:18,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804818215] [2021-03-24 14:48:18,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:18,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:18,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:18,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:18,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:18,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:18,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:18,144 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:48:18,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:18,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:18,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:18,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:18,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:18,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804818215] [2021-03-24 14:48:18,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:18,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:18,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373482949] [2021-03-24 14:48:18,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:18,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:18,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:18,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:18,166 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:18,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 907 transitions, 36100 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:18,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:18,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:18,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:20,162 INFO L129 PetriNetUnfolder]: 2308/4885 cut-off events. [2021-03-24 14:48:20,162 INFO L130 PetriNetUnfolder]: For 297904/297957 co-relation queries the response was YES. [2021-03-24 14:48:20,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54588 conditions, 4885 events. 2308/4885 cut-off events. For 297904/297957 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 42023 event pairs, 365 based on Foata normal form. 4/4888 useless extension candidates. Maximal degree in co-relation 54158. Up to 2176 conditions per place. [2021-03-24 14:48:20,271 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 633 selfloop transitions, 299 changer transitions 0/939 dead transitions. [2021-03-24 14:48:20,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 939 transitions, 38675 flow [2021-03-24 14:48:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:20,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:48:20,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:48:20,272 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:48:20,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:48:20,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:20,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:48:20,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:20,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:20,272 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:20,272 INFO L185 Difference]: Start difference. First operand has 646 places, 907 transitions, 36100 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:48:20,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 939 transitions, 38675 flow [2021-03-24 14:48:21,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 939 transitions, 38399 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-03-24 14:48:21,687 INFO L241 Difference]: Finished difference. Result has 652 places, 914 transitions, 36737 flow [2021-03-24 14:48:21,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=35828, PETRI_DIFFERENCE_MINUEND_PLACES=644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=907, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=612, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=36737, PETRI_PLACES=652, PETRI_TRANSITIONS=914} [2021-03-24 14:48:21,688 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 629 predicate places. [2021-03-24 14:48:21,688 INFO L480 AbstractCegarLoop]: Abstraction has has 652 places, 914 transitions, 36737 flow [2021-03-24 14:48:21,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:21,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:21,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:21,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable271 [2021-03-24 14:48:21,688 INFO L428 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:21,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:21,688 INFO L82 PathProgramCache]: Analyzing trace with hash 2105032271, now seen corresponding path program 73 times [2021-03-24 14:48:21,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:21,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301390037] [2021-03-24 14:48:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:21,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:21,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:21,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:21,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:48:21,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:21,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:48:21,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:21,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:48:21,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:21,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:21,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:21,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:21,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:21,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:21,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301390037] [2021-03-24 14:48:21,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:21,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:21,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719687582] [2021-03-24 14:48:21,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:21,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:21,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:21,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:21,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:21,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 914 transitions, 36737 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:21,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:21,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:21,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:23,732 INFO L129 PetriNetUnfolder]: 2306/4868 cut-off events. [2021-03-24 14:48:23,732 INFO L130 PetriNetUnfolder]: For 303801/303854 co-relation queries the response was YES. [2021-03-24 14:48:23,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54793 conditions, 4868 events. 2306/4868 cut-off events. For 303801/303854 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 41991 event pairs, 540 based on Foata normal form. 2/4869 useless extension candidates. Maximal degree in co-relation 54487. Up to 2925 conditions per place. [2021-03-24 14:48:23,837 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 633 selfloop transitions, 285 changer transitions 1/926 dead transitions. [2021-03-24 14:48:23,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 926 transitions, 38686 flow [2021-03-24 14:48:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:48:23,838 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:48:23,838 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:48:23,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:48:23,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:23,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:48:23,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:23,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:23,839 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:23,839 INFO L185 Difference]: Start difference. First operand has 652 places, 914 transitions, 36737 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:48:23,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 926 transitions, 38686 flow [2021-03-24 14:48:25,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 926 transitions, 38422 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-24 14:48:25,205 INFO L241 Difference]: Finished difference. Result has 656 places, 911 transitions, 36935 flow [2021-03-24 14:48:25,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36405, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=912, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=285, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=36935, PETRI_PLACES=656, PETRI_TRANSITIONS=911} [2021-03-24 14:48:25,206 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 633 predicate places. [2021-03-24 14:48:25,206 INFO L480 AbstractCegarLoop]: Abstraction has has 656 places, 911 transitions, 36935 flow [2021-03-24 14:48:25,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:25,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:25,206 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:25,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272 [2021-03-24 14:48:25,206 INFO L428 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:25,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:25,206 INFO L82 PathProgramCache]: Analyzing trace with hash -2038793101, now seen corresponding path program 82 times [2021-03-24 14:48:25,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:25,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887478385] [2021-03-24 14:48:25,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:25,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:25,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:25,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:25,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:25,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:25,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:48:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:25,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:25,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887478385] [2021-03-24 14:48:25,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:25,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:25,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918315560] [2021-03-24 14:48:25,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:25,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:25,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:25,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:25,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:25,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 911 transitions, 36935 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:25,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:25,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:25,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:27,250 INFO L129 PetriNetUnfolder]: 2302/4842 cut-off events. [2021-03-24 14:48:27,250 INFO L130 PetriNetUnfolder]: For 310525/310578 co-relation queries the response was YES. [2021-03-24 14:48:27,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54745 conditions, 4842 events. 2302/4842 cut-off events. For 310525/310578 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 41359 event pairs, 354 based on Foata normal form. 4/4845 useless extension candidates. Maximal degree in co-relation 54440. Up to 2176 conditions per place. [2021-03-24 14:48:27,357 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 628 selfloop transitions, 305 changer transitions 0/940 dead transitions. [2021-03-24 14:48:27,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 940 transitions, 39365 flow [2021-03-24 14:48:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:48:27,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:48:27,358 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:48:27,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:48:27,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:27,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:48:27,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:27,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:27,359 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:27,359 INFO L185 Difference]: Start difference. First operand has 656 places, 911 transitions, 36935 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:48:27,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 940 transitions, 39365 flow [2021-03-24 14:48:28,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 940 transitions, 39026 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-24 14:48:28,977 INFO L241 Difference]: Finished difference. Result has 660 places, 917 transitions, 37427 flow [2021-03-24 14:48:28,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36596, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=911, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37427, PETRI_PLACES=660, PETRI_TRANSITIONS=917} [2021-03-24 14:48:28,978 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 637 predicate places. [2021-03-24 14:48:28,978 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 917 transitions, 37427 flow [2021-03-24 14:48:28,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:28,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:28,978 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:28,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273 [2021-03-24 14:48:28,978 INFO L428 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:28,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:28,978 INFO L82 PathProgramCache]: Analyzing trace with hash 973362741, now seen corresponding path program 74 times [2021-03-24 14:48:28,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:28,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203540784] [2021-03-24 14:48:28,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:28,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:28,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:28,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:28,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:48:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:48:28,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:28,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:48:29,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:29,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:29,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:29,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:29,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:29,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:29,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203540784] [2021-03-24 14:48:29,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:29,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:29,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777297826] [2021-03-24 14:48:29,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:29,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:29,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:29,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:29,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:29,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 917 transitions, 37427 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:29,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:29,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:29,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:31,102 INFO L129 PetriNetUnfolder]: 2300/4829 cut-off events. [2021-03-24 14:48:31,103 INFO L130 PetriNetUnfolder]: For 314633/314686 co-relation queries the response was YES. [2021-03-24 14:48:31,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55019 conditions, 4829 events. 2300/4829 cut-off events. For 314633/314686 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 41366 event pairs, 529 based on Foata normal form. 2/4830 useless extension candidates. Maximal degree in co-relation 54709. Up to 2915 conditions per place. [2021-03-24 14:48:31,210 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 623 selfloop transitions, 299 changer transitions 0/929 dead transitions. [2021-03-24 14:48:31,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 929 transitions, 39413 flow [2021-03-24 14:48:31,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2021-03-24 14:48:31,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7339901477832512 [2021-03-24 14:48:31,211 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 149 transitions. [2021-03-24 14:48:31,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 149 transitions. [2021-03-24 14:48:31,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:31,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 149 transitions. [2021-03-24 14:48:31,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:31,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:31,211 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:31,211 INFO L185 Difference]: Start difference. First operand has 660 places, 917 transitions, 37427 flow. Second operand 7 states and 149 transitions. [2021-03-24 14:48:31,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 929 transitions, 39413 flow [2021-03-24 14:48:32,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 929 transitions, 38835 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-03-24 14:48:32,638 INFO L241 Difference]: Finished difference. Result has 662 places, 916 transitions, 37414 flow [2021-03-24 14:48:32,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36816, PETRI_DIFFERENCE_MINUEND_PLACES=656, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=916, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37414, PETRI_PLACES=662, PETRI_TRANSITIONS=916} [2021-03-24 14:48:32,638 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 639 predicate places. [2021-03-24 14:48:32,638 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 916 transitions, 37414 flow [2021-03-24 14:48:32,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:32,638 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:32,638 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:32,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable274 [2021-03-24 14:48:32,639 INFO L428 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:32,639 INFO L82 PathProgramCache]: Analyzing trace with hash 285753039, now seen corresponding path program 83 times [2021-03-24 14:48:32,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:32,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360501972] [2021-03-24 14:48:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:32,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:32,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:32,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:32,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:32,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:32,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:32,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:32,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:32,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:32,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:32,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360501972] [2021-03-24 14:48:32,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:32,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:32,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110638255] [2021-03-24 14:48:32,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:32,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:32,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:32,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:32,672 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:32,672 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 916 transitions, 37414 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:32,672 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:32,672 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:32,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:34,789 INFO L129 PetriNetUnfolder]: 2298/4837 cut-off events. [2021-03-24 14:48:34,789 INFO L130 PetriNetUnfolder]: For 316363/316416 co-relation queries the response was YES. [2021-03-24 14:48:34,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54861 conditions, 4837 events. 2298/4837 cut-off events. For 316363/316416 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 41147 event pairs, 256 based on Foata normal form. 2/4838 useless extension candidates. Maximal degree in co-relation 54552. Up to 2176 conditions per place. [2021-03-24 14:48:34,890 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 619 selfloop transitions, 315 changer transitions 0/941 dead transitions. [2021-03-24 14:48:34,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 941 transitions, 39686 flow [2021-03-24 14:48:34,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:48:34,891 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:48:34,891 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:48:34,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:48:34,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:34,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:48:34,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:34,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:34,892 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:34,892 INFO L185 Difference]: Start difference. First operand has 662 places, 916 transitions, 37414 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:48:34,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 941 transitions, 39686 flow [2021-03-24 14:48:36,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 941 transitions, 39059 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-24 14:48:36,289 INFO L241 Difference]: Finished difference. Result has 666 places, 916 transitions, 37433 flow [2021-03-24 14:48:36,290 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36753, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37433, PETRI_PLACES=666, PETRI_TRANSITIONS=916} [2021-03-24 14:48:36,290 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 643 predicate places. [2021-03-24 14:48:36,290 INFO L480 AbstractCegarLoop]: Abstraction has has 666 places, 916 transitions, 37433 flow [2021-03-24 14:48:36,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:36,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:36,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:36,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable275 [2021-03-24 14:48:36,290 INFO L428 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:36,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:36,290 INFO L82 PathProgramCache]: Analyzing trace with hash 2123518991, now seen corresponding path program 84 times [2021-03-24 14:48:36,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:36,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757447313] [2021-03-24 14:48:36,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:36,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:36,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:36,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:36,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:36,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:36,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:36,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:36,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:36,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:36,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:36,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:36,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757447313] [2021-03-24 14:48:36,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:36,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:36,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835426363] [2021-03-24 14:48:36,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:36,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:36,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:36,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:36,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:36,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 916 transitions, 37433 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:36,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:36,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:36,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:38,324 INFO L129 PetriNetUnfolder]: 2297/4834 cut-off events. [2021-03-24 14:48:38,324 INFO L130 PetriNetUnfolder]: For 317545/317598 co-relation queries the response was YES. [2021-03-24 14:48:38,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54815 conditions, 4834 events. 2297/4834 cut-off events. For 317545/317598 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 41164 event pairs, 256 based on Foata normal form. 1/4834 useless extension candidates. Maximal degree in co-relation 54505. Up to 2176 conditions per place. [2021-03-24 14:48:38,427 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 621 selfloop transitions, 310 changer transitions 1/939 dead transitions. [2021-03-24 14:48:38,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 939 transitions, 39650 flow [2021-03-24 14:48:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 144 transitions. [2021-03-24 14:48:38,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7093596059113301 [2021-03-24 14:48:38,428 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 144 transitions. [2021-03-24 14:48:38,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 144 transitions. [2021-03-24 14:48:38,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:38,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 144 transitions. [2021-03-24 14:48:38,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 7 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:38,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:38,428 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:38,428 INFO L185 Difference]: Start difference. First operand has 666 places, 916 transitions, 37433 flow. Second operand 7 states and 144 transitions. [2021-03-24 14:48:38,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 939 transitions, 39650 flow [2021-03-24 14:48:39,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 939 transitions, 39120 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-24 14:48:39,821 INFO L241 Difference]: Finished difference. Result has 669 places, 914 transitions, 37436 flow [2021-03-24 14:48:39,821 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36850, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37436, PETRI_PLACES=669, PETRI_TRANSITIONS=914} [2021-03-24 14:48:39,821 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 646 predicate places. [2021-03-24 14:48:39,821 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 914 transitions, 37436 flow [2021-03-24 14:48:39,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:39,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:39,821 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:39,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276 [2021-03-24 14:48:39,821 INFO L428 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:39,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:39,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2125843089, now seen corresponding path program 75 times [2021-03-24 14:48:39,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:39,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853019567] [2021-03-24 14:48:39,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:39,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:48:39,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:48:39,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:39,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:48:39,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:39,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:39,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:39,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:39,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:39,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:39,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853019567] [2021-03-24 14:48:39,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:39,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:39,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545270161] [2021-03-24 14:48:39,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:39,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:39,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:39,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:39,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:39,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 914 transitions, 37436 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:39,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:39,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:39,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:41,760 INFO L129 PetriNetUnfolder]: 2296/4804 cut-off events. [2021-03-24 14:48:41,760 INFO L130 PetriNetUnfolder]: For 316184/316237 co-relation queries the response was YES. [2021-03-24 14:48:41,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54882 conditions, 4804 events. 2296/4804 cut-off events. For 316184/316237 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 40893 event pairs, 528 based on Foata normal form. 1/4804 useless extension candidates. Maximal degree in co-relation 54572. Up to 2906 conditions per place. [2021-03-24 14:48:41,866 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 622 selfloop transitions, 296 changer transitions 1/926 dead transitions. [2021-03-24 14:48:41,866 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 926 transitions, 39390 flow [2021-03-24 14:48:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 146 transitions. [2021-03-24 14:48:41,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192118226600985 [2021-03-24 14:48:41,866 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 146 transitions. [2021-03-24 14:48:41,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 146 transitions. [2021-03-24 14:48:41,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:41,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 146 transitions. [2021-03-24 14:48:41,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:41,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:41,867 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:41,867 INFO L185 Difference]: Start difference. First operand has 669 places, 914 transitions, 37436 flow. Second operand 7 states and 146 transitions. [2021-03-24 14:48:41,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 926 transitions, 39390 flow [2021-03-24 14:48:43,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 926 transitions, 38712 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-24 14:48:43,232 INFO L241 Difference]: Finished difference. Result has 667 places, 912 transitions, 37256 flow [2021-03-24 14:48:43,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36699, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=913, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37256, PETRI_PLACES=667, PETRI_TRANSITIONS=912} [2021-03-24 14:48:43,232 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 644 predicate places. [2021-03-24 14:48:43,232 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 912 transitions, 37256 flow [2021-03-24 14:48:43,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:43,232 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:43,232 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:43,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable277 [2021-03-24 14:48:43,232 INFO L428 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:43,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:43,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1994789297, now seen corresponding path program 85 times [2021-03-24 14:48:43,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:43,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432322371] [2021-03-24 14:48:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:43,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:43,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:43,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:43,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:43,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:43,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:43,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:43,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:48:43,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:43,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:43,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:43,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:43,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:43,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:43,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:43,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432322371] [2021-03-24 14:48:43,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:43,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:43,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704423144] [2021-03-24 14:48:43,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:43,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:43,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:43,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:43,279 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:43,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 912 transitions, 37256 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:43,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:43,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:43,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:45,424 INFO L129 PetriNetUnfolder]: 2294/4793 cut-off events. [2021-03-24 14:48:45,424 INFO L130 PetriNetUnfolder]: For 313661/313714 co-relation queries the response was YES. [2021-03-24 14:48:45,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54642 conditions, 4793 events. 2294/4793 cut-off events. For 313661/313714 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 40551 event pairs, 357 based on Foata normal form. 2/4794 useless extension candidates. Maximal degree in co-relation 54371. Up to 2176 conditions per place. [2021-03-24 14:48:45,517 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 623 selfloop transitions, 313 changer transitions 0/943 dead transitions. [2021-03-24 14:48:45,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 943 transitions, 39786 flow [2021-03-24 14:48:45,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:48:45,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:48:45,518 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:48:45,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:48:45,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:45,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:48:45,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:45,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:45,519 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:45,519 INFO L185 Difference]: Start difference. First operand has 667 places, 912 transitions, 37256 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:48:45,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 943 transitions, 39786 flow [2021-03-24 14:48:46,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 663 places, 943 transitions, 39159 flow, removed 1 selfloop flow, removed 9 redundant places. [2021-03-24 14:48:46,836 INFO L241 Difference]: Finished difference. Result has 664 places, 919 transitions, 37533 flow [2021-03-24 14:48:46,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36564, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=910, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37533, PETRI_PLACES=664, PETRI_TRANSITIONS=919} [2021-03-24 14:48:46,837 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 641 predicate places. [2021-03-24 14:48:46,837 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 919 transitions, 37533 flow [2021-03-24 14:48:46,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:46,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:46,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:46,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable278 [2021-03-24 14:48:46,837 INFO L428 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:46,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:46,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1264224753, now seen corresponding path program 86 times [2021-03-24 14:48:46,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:46,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011754879] [2021-03-24 14:48:46,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:46,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:46,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:46,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:46,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:46,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:46,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:46,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:48:46,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:46,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:48:46,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:46,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:46,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011754879] [2021-03-24 14:48:46,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:46,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:46,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606511899] [2021-03-24 14:48:46,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:46,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:46,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:46,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:46,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:46,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 919 transitions, 37533 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:46,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:46,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:46,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:48,805 INFO L129 PetriNetUnfolder]: 2293/4788 cut-off events. [2021-03-24 14:48:48,805 INFO L130 PetriNetUnfolder]: For 314479/314532 co-relation queries the response was YES. [2021-03-24 14:48:48,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54678 conditions, 4788 events. 2293/4788 cut-off events. For 314479/314532 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 40520 event pairs, 355 based on Foata normal form. 1/4788 useless extension candidates. Maximal degree in co-relation 54275. Up to 2176 conditions per place. [2021-03-24 14:48:48,912 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 628 selfloop transitions, 303 changer transitions 1/939 dead transitions. [2021-03-24 14:48:48,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 939 transitions, 39692 flow [2021-03-24 14:48:48,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:48:48,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:48:48,913 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:48:48,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:48:48,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:48,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:48:48,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:48,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:48,913 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:48,913 INFO L185 Difference]: Start difference. First operand has 664 places, 919 transitions, 37533 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:48:48,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 939 transitions, 39692 flow [2021-03-24 14:48:50,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 939 transitions, 39174 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-24 14:48:50,247 INFO L241 Difference]: Finished difference. Result has 667 places, 917 transitions, 37526 flow [2021-03-24 14:48:50,247 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36960, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=615, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37526, PETRI_PLACES=667, PETRI_TRANSITIONS=917} [2021-03-24 14:48:50,247 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 644 predicate places. [2021-03-24 14:48:50,247 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 917 transitions, 37526 flow [2021-03-24 14:48:50,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:50,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:50,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:50,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable279 [2021-03-24 14:48:50,248 INFO L428 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:50,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:50,248 INFO L82 PathProgramCache]: Analyzing trace with hash -2093845105, now seen corresponding path program 76 times [2021-03-24 14:48:50,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:50,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523205597] [2021-03-24 14:48:50,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:50,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:48:50,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:50,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:48:50,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:48:50,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:50,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:50,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:50,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:50,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:50,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523205597] [2021-03-24 14:48:50,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:50,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:50,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510831463] [2021-03-24 14:48:50,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:50,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:50,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:50,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:50,298 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:50,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 917 transitions, 37526 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:50,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:50,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:50,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:52,184 INFO L129 PetriNetUnfolder]: 2292/4776 cut-off events. [2021-03-24 14:48:52,185 INFO L130 PetriNetUnfolder]: For 315101/315154 co-relation queries the response was YES. [2021-03-24 14:48:52,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54632 conditions, 4776 events. 2292/4776 cut-off events. For 315101/315154 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 40509 event pairs, 535 based on Foata normal form. 2/4777 useless extension candidates. Maximal degree in co-relation 54281. Up to 2897 conditions per place. [2021-03-24 14:48:52,285 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 637 selfloop transitions, 286 changer transitions 0/930 dead transitions. [2021-03-24 14:48:52,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 930 transitions, 39544 flow [2021-03-24 14:48:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:52,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:48:52,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:48:52,286 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:48:52,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:48:52,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:52,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:48:52,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:52,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:52,286 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:52,286 INFO L185 Difference]: Start difference. First operand has 667 places, 917 transitions, 37526 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:48:52,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 930 transitions, 39544 flow [2021-03-24 14:48:53,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 930 transitions, 38871 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-03-24 14:48:53,606 INFO L241 Difference]: Finished difference. Result has 662 places, 917 transitions, 37424 flow [2021-03-24 14:48:53,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36820, PETRI_DIFFERENCE_MINUEND_PLACES=656, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=916, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=285, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37424, PETRI_PLACES=662, PETRI_TRANSITIONS=917} [2021-03-24 14:48:53,607 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 639 predicate places. [2021-03-24 14:48:53,607 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 917 transitions, 37424 flow [2021-03-24 14:48:53,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:53,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:53,607 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:53,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280 [2021-03-24 14:48:53,607 INFO L428 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:53,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:53,607 INFO L82 PathProgramCache]: Analyzing trace with hash -2026069847, now seen corresponding path program 87 times [2021-03-24 14:48:53,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:53,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829592955] [2021-03-24 14:48:53,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:53,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:53,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:53,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:53,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:53,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:53,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:53,629 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:48:53,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:53,640 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:48:53,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:53,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:53,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:53,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:53,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:53,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829592955] [2021-03-24 14:48:53,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:53,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:53,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132348472] [2021-03-24 14:48:53,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:53,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:53,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:53,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:53,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:53,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 917 transitions, 37424 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:53,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:53,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:53,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:55,663 INFO L129 PetriNetUnfolder]: 2295/4772 cut-off events. [2021-03-24 14:48:55,663 INFO L130 PetriNetUnfolder]: For 315497/315550 co-relation queries the response was YES. [2021-03-24 14:48:55,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54603 conditions, 4772 events. 2295/4772 cut-off events. For 315497/315550 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 40193 event pairs, 355 based on Foata normal form. 2/4773 useless extension candidates. Maximal degree in co-relation 54178. Up to 2176 conditions per place. [2021-03-24 14:48:55,775 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 621 selfloop transitions, 316 changer transitions 0/944 dead transitions. [2021-03-24 14:48:55,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 944 transitions, 39913 flow [2021-03-24 14:48:55,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:48:55,776 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:48:55,776 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:48:55,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:48:55,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:55,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:48:55,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:55,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:55,776 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:55,776 INFO L185 Difference]: Start difference. First operand has 662 places, 917 transitions, 37424 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:48:55,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 944 transitions, 39913 flow [2021-03-24 14:48:57,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 944 transitions, 39509 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-24 14:48:57,330 INFO L241 Difference]: Finished difference. Result has 662 places, 922 transitions, 37966 flow [2021-03-24 14:48:57,330 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36997, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=916, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37966, PETRI_PLACES=662, PETRI_TRANSITIONS=922} [2021-03-24 14:48:57,330 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 639 predicate places. [2021-03-24 14:48:57,330 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 922 transitions, 37966 flow [2021-03-24 14:48:57,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:57,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:48:57,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:48:57,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable281 [2021-03-24 14:48:57,330 INFO L428 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:48:57,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:48:57,331 INFO L82 PathProgramCache]: Analyzing trace with hash 154007239, now seen corresponding path program 88 times [2021-03-24 14:48:57,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:48:57,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300413900] [2021-03-24 14:48:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:48:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:48:57,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:57,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:57,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:57,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:57,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:57,346 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:48:57,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:48:57,354 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 14:48:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:48:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:57,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:48:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:48:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:48:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:48:57,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300413900] [2021-03-24 14:48:57,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:48:57,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:48:57,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999251115] [2021-03-24 14:48:57,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:48:57,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:48:57,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:48:57,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:48:57,368 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:48:57,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 922 transitions, 37966 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:57,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:48:57,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:48:57,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:48:59,346 INFO L129 PetriNetUnfolder]: 2297/4771 cut-off events. [2021-03-24 14:48:59,346 INFO L130 PetriNetUnfolder]: For 321290/321343 co-relation queries the response was YES. [2021-03-24 14:48:59,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54946 conditions, 4771 events. 2297/4771 cut-off events. For 321290/321343 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 40176 event pairs, 400 based on Foata normal form. 2/4772 useless extension candidates. Maximal degree in co-relation 54389. Up to 3110 conditions per place. [2021-03-24 14:48:59,446 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 704 selfloop transitions, 235 changer transitions 0/946 dead transitions. [2021-03-24 14:48:59,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 946 transitions, 40324 flow [2021-03-24 14:48:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:48:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:48:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 150 transitions. [2021-03-24 14:48:59,447 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7389162561576355 [2021-03-24 14:48:59,447 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 150 transitions. [2021-03-24 14:48:59,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 150 transitions. [2021-03-24 14:48:59,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:48:59,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 150 transitions. [2021-03-24 14:48:59,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:59,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:59,447 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:48:59,447 INFO L185 Difference]: Start difference. First operand has 662 places, 922 transitions, 37966 flow. Second operand 7 states and 150 transitions. [2021-03-24 14:48:59,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 946 transitions, 40324 flow [2021-03-24 14:49:00,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 663 places, 946 transitions, 39732 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-24 14:49:00,819 INFO L241 Difference]: Finished difference. Result has 664 places, 926 transitions, 38085 flow [2021-03-24 14:49:00,820 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37324, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=920, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=689, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=38085, PETRI_PLACES=664, PETRI_TRANSITIONS=926} [2021-03-24 14:49:00,820 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 641 predicate places. [2021-03-24 14:49:00,820 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 926 transitions, 38085 flow [2021-03-24 14:49:00,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:00,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:00,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:00,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable282 [2021-03-24 14:49:00,820 INFO L428 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:00,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:00,821 INFO L82 PathProgramCache]: Analyzing trace with hash 287754151, now seen corresponding path program 77 times [2021-03-24 14:49:00,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:00,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429099414] [2021-03-24 14:49:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:00,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:00,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:00,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:00,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:00,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:00,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:00,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:00,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:49:00,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:00,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:00,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:00,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:00,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:00,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:00,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429099414] [2021-03-24 14:49:00,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:49:00,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:49:00,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598441065] [2021-03-24 14:49:00,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:49:00,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:00,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:49:00,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:49:00,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:49:00,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 926 transitions, 38085 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:00,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:00,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:49:00,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:02,816 INFO L129 PetriNetUnfolder]: 2295/4756 cut-off events. [2021-03-24 14:49:02,816 INFO L130 PetriNetUnfolder]: For 317995/318048 co-relation queries the response was YES. [2021-03-24 14:49:02,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54789 conditions, 4756 events. 2295/4756 cut-off events. For 317995/318048 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 40085 event pairs, 542 based on Foata normal form. 2/4757 useless extension candidates. Maximal degree in co-relation 54236. Up to 2904 conditions per place. [2021-03-24 14:49:02,918 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 716 selfloop transitions, 218 changer transitions 1/942 dead transitions. [2021-03-24 14:49:02,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 942 transitions, 40102 flow [2021-03-24 14:49:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:49:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:49:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 148 transitions. [2021-03-24 14:49:02,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729064039408867 [2021-03-24 14:49:02,919 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 148 transitions. [2021-03-24 14:49:02,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 148 transitions. [2021-03-24 14:49:02,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:02,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 148 transitions. [2021-03-24 14:49:02,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:02,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:02,920 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:02,920 INFO L185 Difference]: Start difference. First operand has 664 places, 926 transitions, 38085 flow. Second operand 7 states and 148 transitions. [2021-03-24 14:49:02,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 942 transitions, 40102 flow [2021-03-24 14:49:04,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 942 transitions, 39915 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 14:49:04,297 INFO L241 Difference]: Finished difference. Result has 669 places, 924 transitions, 38246 flow [2021-03-24 14:49:04,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37846, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=925, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=38246, PETRI_PLACES=669, PETRI_TRANSITIONS=924} [2021-03-24 14:49:04,297 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 646 predicate places. [2021-03-24 14:49:04,297 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 924 transitions, 38246 flow [2021-03-24 14:49:04,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:04,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:04,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:04,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283 [2021-03-24 14:49:04,297 INFO L428 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:04,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:04,298 INFO L82 PathProgramCache]: Analyzing trace with hash 884571783, now seen corresponding path program 89 times [2021-03-24 14:49:04,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:04,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505248633] [2021-03-24 14:49:04,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:04,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:04,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:04,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:04,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:04,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:04,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:04,318 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 14:49:04,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:04,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:04,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:04,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:04,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:04,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:04,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:04,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505248633] [2021-03-24 14:49:04,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:49:04,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:49:04,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23801064] [2021-03-24 14:49:04,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:49:04,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:04,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:49:04,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:49:04,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:49:04,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 924 transitions, 38246 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:04,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:04,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:49:04,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:06,404 INFO L129 PetriNetUnfolder]: 2294/4759 cut-off events. [2021-03-24 14:49:06,404 INFO L130 PetriNetUnfolder]: For 323468/323521 co-relation queries the response was YES. [2021-03-24 14:49:06,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54888 conditions, 4759 events. 2294/4759 cut-off events. For 323468/323521 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 40000 event pairs, 398 based on Foata normal form. 1/4759 useless extension candidates. Maximal degree in co-relation 54587. Up to 3104 conditions per place. [2021-03-24 14:49:06,511 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 710 selfloop transitions, 224 changer transitions 1/942 dead transitions. [2021-03-24 14:49:06,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 675 places, 942 transitions, 40340 flow [2021-03-24 14:49:06,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:49:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:49:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2021-03-24 14:49:06,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-03-24 14:49:06,512 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 145 transitions. [2021-03-24 14:49:06,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 145 transitions. [2021-03-24 14:49:06,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:06,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 145 transitions. [2021-03-24 14:49:06,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:06,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:06,513 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:06,513 INFO L185 Difference]: Start difference. First operand has 669 places, 924 transitions, 38246 flow. Second operand 7 states and 145 transitions. [2021-03-24 14:49:06,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 675 places, 942 transitions, 40340 flow [2021-03-24 14:49:08,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 671 places, 942 transitions, 39755 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:49:08,043 INFO L241 Difference]: Finished difference. Result has 671 places, 922 transitions, 38015 flow [2021-03-24 14:49:08,044 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37603, PETRI_DIFFERENCE_MINUEND_PLACES=665, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=923, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=38015, PETRI_PLACES=671, PETRI_TRANSITIONS=922} [2021-03-24 14:49:08,044 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 648 predicate places. [2021-03-24 14:49:08,044 INFO L480 AbstractCegarLoop]: Abstraction has has 671 places, 922 transitions, 38015 flow [2021-03-24 14:49:08,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:08,044 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:08,044 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:08,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable284 [2021-03-24 14:49:08,044 INFO L428 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:08,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:08,044 INFO L82 PathProgramCache]: Analyzing trace with hash 54951431, now seen corresponding path program 78 times [2021-03-24 14:49:08,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:08,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215432121] [2021-03-24 14:49:08,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:08,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:08,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:08,065 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:49:08,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:08,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:08,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:08,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:08,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215432121] [2021-03-24 14:49:08,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567466257] [2021-03-24 14:49:08,090 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:08,116 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:49:08,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:49:08,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:49:08,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:08,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,122 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:49:08,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:08,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:08,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:08,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:08,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,136 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:49:08,137 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:49:08,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:08,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:08,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:49:08,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,138 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:08,139 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:08,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,140 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:08,140 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:08,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,142 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:49:08,142 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:49:08,142 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:49:08,143 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:49:08,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:49:08,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:49:08,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:08,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:49:08,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:49:08,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,155 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:49:08,155 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:08,156 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-03-24 14:49:08,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:08,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:08,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:08,168 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-24 14:49:08,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:08,183 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:49:08,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:08,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:08,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:08,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:08,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:08,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:08,186 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:49:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:08,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:08,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:49:08,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:49:08,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494781294] [2021-03-24 14:49:08,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:49:08,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:08,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:49:08,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:49:08,191 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:49:08,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 922 transitions, 38015 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:08,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:08,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:49:08,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:10,202 INFO L129 PetriNetUnfolder]: 2295/4743 cut-off events. [2021-03-24 14:49:10,202 INFO L130 PetriNetUnfolder]: For 319679/319732 co-relation queries the response was YES. [2021-03-24 14:49:10,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54749 conditions, 4743 events. 2295/4743 cut-off events. For 319679/319732 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 39862 event pairs, 545 based on Foata normal form. 2/4744 useless extension candidates. Maximal degree in co-relation 54498. Up to 2901 conditions per place. [2021-03-24 14:49:10,302 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 706 selfloop transitions, 230 changer transitions 0/943 dead transitions. [2021-03-24 14:49:10,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 943 transitions, 40238 flow [2021-03-24 14:49:10,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:49:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:49:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:49:10,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:49:10,303 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:49:10,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:49:10,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:10,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:49:10,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:10,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:10,303 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:10,303 INFO L185 Difference]: Start difference. First operand has 671 places, 922 transitions, 38015 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:49:10,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 943 transitions, 40238 flow [2021-03-24 14:49:11,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 943 transitions, 39490 flow, removed 10 selfloop flow, removed 11 redundant places. [2021-03-24 14:49:11,665 INFO L241 Difference]: Finished difference. Result has 664 places, 927 transitions, 37978 flow [2021-03-24 14:49:11,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37235, PETRI_DIFFERENCE_MINUEND_PLACES=656, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=921, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37978, PETRI_PLACES=664, PETRI_TRANSITIONS=927} [2021-03-24 14:49:11,666 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 641 predicate places. [2021-03-24 14:49:11,666 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 927 transitions, 37978 flow [2021-03-24 14:49:11,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:11,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:11,666 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:11,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:11,866 INFO L428 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:11,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:11,867 INFO L82 PathProgramCache]: Analyzing trace with hash 774336865, now seen corresponding path program 90 times [2021-03-24 14:49:11,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:11,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941923107] [2021-03-24 14:49:11,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:11,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:11,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:11,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:11,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:11,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:11,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:11,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:11,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:49:11,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:11,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:11,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:11,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:11,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:11,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:11,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941923107] [2021-03-24 14:49:11,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:49:11,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:49:11,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438341527] [2021-03-24 14:49:11,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:49:11,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:11,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:49:11,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:49:11,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:49:11,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 927 transitions, 37978 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:11,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:11,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:49:11,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:13,852 INFO L129 PetriNetUnfolder]: 2294/4739 cut-off events. [2021-03-24 14:49:13,853 INFO L130 PetriNetUnfolder]: For 315707/315760 co-relation queries the response was YES. [2021-03-24 14:49:13,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54491 conditions, 4739 events. 2294/4739 cut-off events. For 315707/315760 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 39647 event pairs, 395 based on Foata normal form. 2/4740 useless extension candidates. Maximal degree in co-relation 53998. Up to 3105 conditions per place. [2021-03-24 14:49:13,952 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 712 selfloop transitions, 231 changer transitions 0/950 dead transitions. [2021-03-24 14:49:13,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 950 transitions, 40286 flow [2021-03-24 14:49:13,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:49:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:49:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:49:13,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:49:13,953 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:49:13,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:49:13,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:13,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:49:13,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:13,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:13,954 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:13,954 INFO L185 Difference]: Start difference. First operand has 664 places, 927 transitions, 37978 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:49:13,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 950 transitions, 40286 flow [2021-03-24 14:49:15,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 950 transitions, 39613 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-03-24 14:49:15,237 INFO L241 Difference]: Finished difference. Result has 661 places, 931 transitions, 37946 flow [2021-03-24 14:49:15,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37281, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=926, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37946, PETRI_PLACES=661, PETRI_TRANSITIONS=931} [2021-03-24 14:49:15,238 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 638 predicate places. [2021-03-24 14:49:15,238 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 931 transitions, 37946 flow [2021-03-24 14:49:15,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:15,238 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:15,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:15,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable289 [2021-03-24 14:49:15,238 INFO L428 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:15,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:15,238 INFO L82 PathProgramCache]: Analyzing trace with hash -28165459, now seen corresponding path program 79 times [2021-03-24 14:49:15,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:15,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630557776] [2021-03-24 14:49:15,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:15,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:15,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:15,258 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:49:15,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:15,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:15,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:15,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:15,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630557776] [2021-03-24 14:49:15,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137222508] [2021-03-24 14:49:15,283 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:15,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-24 14:49:15,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:15,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,315 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:49:15,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:15,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:15,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:15,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,331 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-24 14:49:15,331 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:49:15,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:15,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:15,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:49:15,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,332 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:15,333 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:15,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,334 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:15,334 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:15,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,335 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 14:49:15,336 INFO L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-03-24 14:49:15,336 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 14:49:15,336 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 14:49:15,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,346 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-24 14:49:15,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:49:15,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:15,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:49:15,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:49:15,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,348 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:49:15,349 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:15,349 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size [2021-03-24 14:49:15,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:15,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:15,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:15,361 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-24 14:49:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:15,375 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 14:49:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:15,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:15,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:15,378 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-24 14:49:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:15,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:15,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 14:49:15,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2021-03-24 14:49:15,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480679414] [2021-03-24 14:49:15,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:49:15,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:15,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:49:15,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-24 14:49:15,383 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:49:15,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 931 transitions, 37946 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:15,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:15,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:49:15,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:17,445 INFO L129 PetriNetUnfolder]: 2292/4725 cut-off events. [2021-03-24 14:49:17,445 INFO L130 PetriNetUnfolder]: For 311248/311301 co-relation queries the response was YES. [2021-03-24 14:49:17,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54354 conditions, 4725 events. 2292/4725 cut-off events. For 311248/311301 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 39583 event pairs, 543 based on Foata normal form. 2/4726 useless extension candidates. Maximal degree in co-relation 53822. Up to 2898 conditions per place. [2021-03-24 14:49:17,553 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 709 selfloop transitions, 231 changer transitions 0/947 dead transitions. [2021-03-24 14:49:17,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 947 transitions, 40017 flow [2021-03-24 14:49:17,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:49:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:49:17,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2021-03-24 14:49:17,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7487684729064039 [2021-03-24 14:49:17,554 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 152 transitions. [2021-03-24 14:49:17,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 152 transitions. [2021-03-24 14:49:17,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:17,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 152 transitions. [2021-03-24 14:49:17,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:17,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:17,554 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:17,554 INFO L185 Difference]: Start difference. First operand has 661 places, 931 transitions, 37946 flow. Second operand 7 states and 152 transitions. [2021-03-24 14:49:17,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 947 transitions, 40017 flow [2021-03-24 14:49:19,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 947 transitions, 39551 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-24 14:49:19,042 INFO L241 Difference]: Finished difference. Result has 661 places, 931 transitions, 37959 flow [2021-03-24 14:49:19,043 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37425, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37959, PETRI_PLACES=661, PETRI_TRANSITIONS=931} [2021-03-24 14:49:19,043 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 638 predicate places. [2021-03-24 14:49:19,043 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 931 transitions, 37959 flow [2021-03-24 14:49:19,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:19,043 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:19,043 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:19,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable290 [2021-03-24 14:49:19,243 INFO L428 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:19,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:19,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1687908845, now seen corresponding path program 80 times [2021-03-24 14:49:19,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:19,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125091056] [2021-03-24 14:49:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:19,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:19,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:19,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:19,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:19,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:19,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:19,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:19,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:49:19,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:19,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:19,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:19,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:19,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:19,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:19,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125091056] [2021-03-24 14:49:19,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 14:49:19,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 14:49:19,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066797791] [2021-03-24 14:49:19,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 14:49:19,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:19,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 14:49:19,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 14:49:19,281 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 29 [2021-03-24 14:49:19,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 931 transitions, 37959 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:19,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:19,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 29 [2021-03-24 14:49:19,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:21,209 INFO L129 PetriNetUnfolder]: 2291/4720 cut-off events. [2021-03-24 14:49:21,210 INFO L130 PetriNetUnfolder]: For 310933/310986 co-relation queries the response was YES. [2021-03-24 14:49:21,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54291 conditions, 4720 events. 2291/4720 cut-off events. For 310933/310986 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 39511 event pairs, 543 based on Foata normal form. 1/4720 useless extension candidates. Maximal degree in co-relation 53602. Up to 2898 conditions per place. [2021-03-24 14:49:21,313 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 716 selfloop transitions, 221 changer transitions 1/945 dead transitions. [2021-03-24 14:49:21,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 945 transitions, 39950 flow [2021-03-24 14:49:21,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 14:49:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 14:49:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 147 transitions. [2021-03-24 14:49:21,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7241379310344828 [2021-03-24 14:49:21,313 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 147 transitions. [2021-03-24 14:49:21,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 147 transitions. [2021-03-24 14:49:21,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:21,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 147 transitions. [2021-03-24 14:49:21,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:21,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:21,314 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:21,314 INFO L185 Difference]: Start difference. First operand has 661 places, 931 transitions, 37959 flow. Second operand 7 states and 147 transitions. [2021-03-24 14:49:21,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 945 transitions, 39950 flow [2021-03-24 14:49:22,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 663 places, 945 transitions, 39527 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 14:49:22,683 INFO L241 Difference]: Finished difference. Result has 663 places, 929 transitions, 37892 flow [2021-03-24 14:49:22,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37481, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=930, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37892, PETRI_PLACES=663, PETRI_TRANSITIONS=929} [2021-03-24 14:49:22,684 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 640 predicate places. [2021-03-24 14:49:22,684 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 929 transitions, 37892 flow [2021-03-24 14:49:22,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:22,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:22,684 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:22,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294 [2021-03-24 14:49:22,684 INFO L428 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:22,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:22,684 INFO L82 PathProgramCache]: Analyzing trace with hash 436487863, now seen corresponding path program 1 times [2021-03-24 14:49:22,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:22,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137543619] [2021-03-24 14:49:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:22,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:22,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:22,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:22,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,722 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.5 percent of original size [2021-03-24 14:49:22,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:49:22,742 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-03-24 14:49:22,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:49:22,761 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-24 14:49:22,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:22,779 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-24 14:49:22,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:22,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137543619] [2021-03-24 14:49:22,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916650969] [2021-03-24 14:49:22,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:22,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:49:22,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:22,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:22,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:22,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:22,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:22,843 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:49:22,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:22,866 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:49:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:22,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:22,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:22,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:22,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:22,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:22,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,875 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-03-24 14:49:22,875 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-24 14:49:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:22,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:22,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:22,893 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-03-24 14:49:22,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:22,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:22,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:22,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:49:22,900 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:49:22,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,902 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:49:22,907 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:22,908 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,909 INFO L142 QuantifierPusher]: treesize reduction 87, result has 37.4 percent of original size [2021-03-24 14:49:22,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:22,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:49:22,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:49:22,951 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.7 percent of original size [2021-03-24 14:49:22,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:22,953 INFO L147 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size 55 [2021-03-24 14:49:22,953 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.7 percent of original size [2021-03-24 14:49:22,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:22,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:49:22,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:22,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:22,993 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size [2021-03-24 14:49:22,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:22,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:49:22,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:22,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:49:22,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:49:23,000 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.3 percent of original size [2021-03-24 14:49:23,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,001 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:49:23,002 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:49:23,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,003 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:49:23,005 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:23,005 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,006 INFO L142 QuantifierPusher]: treesize reduction 50, result has 61.5 percent of original size [2021-03-24 14:49:23,007 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:23,007 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,008 INFO L142 QuantifierPusher]: treesize reduction 44, result has 50.0 percent of original size [2021-03-24 14:49:23,009 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:23,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,010 INFO L142 QuantifierPusher]: treesize reduction 23, result has 48.9 percent of original size [2021-03-24 14:49:23,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,011 INFO L147 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size 23 [2021-03-24 14:49:23,011 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.5 percent of original size 53 [2021-03-24 14:49:23,011 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.5 percent of original size 53 [2021-03-24 14:49:23,012 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:23,012 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,013 INFO L142 QuantifierPusher]: treesize reduction 89, result has 39.5 percent of original size [2021-03-24 14:49:23,013 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:23,014 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,014 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.7 percent of original size [2021-03-24 14:49:23,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:23,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:49:23,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:49:23,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,017 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-03-24 14:49:23,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:49:23,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:49:23,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:49:23,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:49:23,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:49:23,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:49:23,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:49:23,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:23,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:23,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:23,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:49:23,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:23,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:23,050 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:23,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:49:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:23,053 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:23,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:23,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:49:23,066 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:78, output treesize:35 [2021-03-24 14:49:23,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:23,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:23,090 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:49:23,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:23,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:23,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:23,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:23,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:49:23,112 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:49:23,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,114 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:49:23,115 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:23,115 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,117 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:23,117 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:23,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:23,123 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:23,124 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,124 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:49:23,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:23,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:23,127 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:49:23,127 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:23,128 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:23,129 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:49:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:23,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:23,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:49:23,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-03-24 14:49:23,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457876457] [2021-03-24 14:49:23,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-24 14:49:23,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:23,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-24 14:49:23,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-03-24 14:49:23,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:49:23,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 929 transitions, 37892 flow. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:23,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:23,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:49:23,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:25,414 INFO L129 PetriNetUnfolder]: 2292/4690 cut-off events. [2021-03-24 14:49:25,414 INFO L130 PetriNetUnfolder]: For 312816/312869 co-relation queries the response was YES. [2021-03-24 14:49:25,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54458 conditions, 4690 events. 2292/4690 cut-off events. For 312816/312869 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 38778 event pairs, 332 based on Foata normal form. 12/4701 useless extension candidates. Maximal degree in co-relation 53769. Up to 1940 conditions per place. [2021-03-24 14:49:25,514 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 492 selfloop transitions, 444 changer transitions 3/945 dead transitions. [2021-03-24 14:49:25,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 945 transitions, 40046 flow [2021-03-24 14:49:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:49:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:49:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 164 transitions. [2021-03-24 14:49:25,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6283524904214559 [2021-03-24 14:49:25,514 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 164 transitions. [2021-03-24 14:49:25,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 164 transitions. [2021-03-24 14:49:25,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:25,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 164 transitions. [2021-03-24 14:49:25,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:25,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:25,515 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:25,515 INFO L185 Difference]: Start difference. First operand has 663 places, 929 transitions, 37892 flow. Second operand 9 states and 164 transitions. [2021-03-24 14:49:25,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 945 transitions, 40046 flow [2021-03-24 14:49:26,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 663 places, 945 transitions, 39693 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-24 14:49:26,837 INFO L241 Difference]: Finished difference. Result has 665 places, 931 transitions, 38501 flow [2021-03-24 14:49:26,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37539, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=442, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38501, PETRI_PLACES=665, PETRI_TRANSITIONS=931} [2021-03-24 14:49:26,837 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 642 predicate places. [2021-03-24 14:49:26,838 INFO L480 AbstractCegarLoop]: Abstraction has has 665 places, 931 transitions, 38501 flow [2021-03-24 14:49:26,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:26,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:26,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:27,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:27,038 INFO L428 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:27,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:27,038 INFO L82 PathProgramCache]: Analyzing trace with hash -638820391, now seen corresponding path program 2 times [2021-03-24 14:49:27,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:27,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370794512] [2021-03-24 14:49:27,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:27,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:27,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:27,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:27,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:27,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,076 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.5 percent of original size [2021-03-24 14:49:27,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:49:27,097 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.8 percent of original size [2021-03-24 14:49:27,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:49:27,119 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-24 14:49:27,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:49:27,141 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-24 14:49:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:27,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370794512] [2021-03-24 14:49:27,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923049949] [2021-03-24 14:49:27,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:27,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:49:27,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:49:27,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:49:27,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:27,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:27,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:27,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:27,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:27,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:49:27,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,218 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:49:27,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:27,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:27,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:27,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:27,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:27,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:27,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:27,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:27,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:27,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,223 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-03-24 14:49:27,223 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-24 14:49:27,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:27,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:27,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:27,238 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-03-24 14:49:27,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:27,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:27,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:27,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:49:27,244 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:49:27,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,246 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:49:27,246 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:27,246 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,247 INFO L142 QuantifierPusher]: treesize reduction 80, result has 55.3 percent of original size [2021-03-24 14:49:27,248 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:27,248 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,249 INFO L142 QuantifierPusher]: treesize reduction 63, result has 38.8 percent of original size [2021-03-24 14:49:27,249 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:49:27,250 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:49:27,250 INFO L147 QuantifierPusher]: treesize reduction 7, result has 89.4 percent of original size 59 [2021-03-24 14:49:27,250 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.4 percent of original size [2021-03-24 14:49:27,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:27,297 INFO L142 QuantifierPusher]: treesize reduction 9, result has 92.6 percent of original size [2021-03-24 14:49:27,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:27,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:49:27,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-24 14:49:27,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-24 14:49:27,316 INFO L142 QuantifierPusher]: treesize reduction 42, result has 81.5 percent of original size [2021-03-24 14:49:27,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,318 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:49:27,319 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:49:27,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,320 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:49:27,320 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:27,321 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,322 INFO L142 QuantifierPusher]: treesize reduction 76, result has 59.4 percent of original size [2021-03-24 14:49:27,323 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:27,323 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,324 INFO L142 QuantifierPusher]: treesize reduction 99, result has 43.4 percent of original size [2021-03-24 14:49:27,324 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,325 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,326 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-24 14:49:27,327 INFO L147 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size 22 [2021-03-24 14:49:27,327 INFO L147 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size 27 [2021-03-24 14:49:27,328 INFO L147 QuantifierPusher]: treesize reduction 18, result has 71.4 percent of original size 45 [2021-03-24 14:49:27,328 INFO L147 QuantifierPusher]: treesize reduction 18, result has 71.4 percent of original size 45 [2021-03-24 14:49:27,329 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,329 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,330 INFO L142 QuantifierPusher]: treesize reduction 37, result has 74.1 percent of original size [2021-03-24 14:49:27,331 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,331 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,332 INFO L142 QuantifierPusher]: treesize reduction 19, result has 80.0 percent of original size [2021-03-24 14:49:27,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:27,333 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,334 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,334 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.5 percent of original size [2021-03-24 14:49:27,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,336 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:27,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:49:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:49:27,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:49:27,340 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,340 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:49:27,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:49:27,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:49:27,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:49:27,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 14:49:27,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-24 14:49:27,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:27,350 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:27,351 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:27,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:27,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:49:27,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:49:27,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-24 14:49:27,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,356 INFO L142 QuantifierPusher]: treesize reduction 18, result has 82.5 percent of original size [2021-03-24 14:49:27,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-24 14:49:27,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:49:27,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:27,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:27,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:49:27,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:27,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:27,373 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:27,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:49:27,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:27,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:27,377 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:27,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:49:27,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:27,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:27,383 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:27,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:49:27,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:27,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:27,388 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:27,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:49:27,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:27,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:27,393 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:27,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:27,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:27,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:27,397 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:27,471 INFO L628 ElimStorePlain]: treesize reduction 31, result has 68.4 percent of original size [2021-03-24 14:49:27,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:27,472 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:49:27,472 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:254, output treesize:67 [2021-03-24 14:49:27,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:27,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:27,524 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:49:27,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:49:27,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:49:27,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:49:27,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:49:27,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:49:27,531 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:49:27,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,534 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:49:27,534 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:49:27,535 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,537 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:49:27,537 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,537 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,539 INFO L142 QuantifierPusher]: treesize reduction 141, result has 23.8 percent of original size [2021-03-24 14:49:27,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:27,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:27,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:27,569 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:49:27,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:27,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:27,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:27,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:27,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:49:27,575 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:49:27,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,577 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:49:27,577 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,579 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,580 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,581 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:27,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:27,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:27,584 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,585 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,585 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:49:27,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:27,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:27,588 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:49:27,588 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:27,589 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:27,590 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:49:27,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:27,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:27,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:27,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:27,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:27,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:27,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:49:27,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-03-24 14:49:27,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17258992] [2021-03-24 14:49:27,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-24 14:49:27,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:27,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-24 14:49:27,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-03-24 14:49:27,607 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:49:27,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 931 transitions, 38501 flow. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:27,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:27,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:49:27,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:30,217 INFO L129 PetriNetUnfolder]: 2298/4706 cut-off events. [2021-03-24 14:49:30,218 INFO L130 PetriNetUnfolder]: For 329758/329811 co-relation queries the response was YES. [2021-03-24 14:49:30,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56382 conditions, 4706 events. 2298/4706 cut-off events. For 329758/329811 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 39020 event pairs, 333 based on Foata normal form. 14/4719 useless extension candidates. Maximal degree in co-relation 55669. Up to 1942 conditions per place. [2021-03-24 14:49:30,304 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 495 selfloop transitions, 450 changer transitions 4/955 dead transitions. [2021-03-24 14:49:30,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 955 transitions, 40771 flow [2021-03-24 14:49:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:49:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:49:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 204 transitions. [2021-03-24 14:49:30,305 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6394984326018809 [2021-03-24 14:49:30,305 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 204 transitions. [2021-03-24 14:49:30,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 204 transitions. [2021-03-24 14:49:30,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:30,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 204 transitions. [2021-03-24 14:49:30,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.545454545454547) internal successors, (204), 11 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:30,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:30,306 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:30,306 INFO L185 Difference]: Start difference. First operand has 665 places, 931 transitions, 38501 flow. Second operand 11 states and 204 transitions. [2021-03-24 14:49:30,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 955 transitions, 40771 flow [2021-03-24 14:49:31,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 955 transitions, 39887 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-24 14:49:31,634 INFO L241 Difference]: Finished difference. Result has 672 places, 937 transitions, 38688 flow [2021-03-24 14:49:31,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37631, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=931, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=444, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=38688, PETRI_PLACES=672, PETRI_TRANSITIONS=937} [2021-03-24 14:49:31,635 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 649 predicate places. [2021-03-24 14:49:31,635 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 937 transitions, 38688 flow [2021-03-24 14:49:31,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:31,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:31,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:31,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable306 [2021-03-24 14:49:31,858 INFO L428 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:31,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:31,858 INFO L82 PathProgramCache]: Analyzing trace with hash -584419650, now seen corresponding path program 1 times [2021-03-24 14:49:31,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:31,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465722690] [2021-03-24 14:49:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:31,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,867 INFO L142 QuantifierPusher]: treesize reduction 35, result has 7.9 percent of original size [2021-03-24 14:49:31,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:31,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:31,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 14:49:31,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465722690] [2021-03-24 14:49:31,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880145880] [2021-03-24 14:49:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:31,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-24 14:49:31,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:31,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:31,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:31,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:31,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:31,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:31,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size [2021-03-24 14:49:31,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:31,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:31,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:31,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:31,943 INFO L142 QuantifierPusher]: treesize reduction 32, result has 78.5 percent of original size [2021-03-24 14:49:31,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,943 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size [2021-03-24 14:49:31,944 INFO L147 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size 42 [2021-03-24 14:49:31,945 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:31,946 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,947 INFO L142 QuantifierPusher]: treesize reduction 59, result has 52.0 percent of original size [2021-03-24 14:49:31,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,948 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:31,948 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,949 INFO L142 QuantifierPusher]: treesize reduction 28, result has 54.1 percent of original size [2021-03-24 14:49:31,949 INFO L147 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size 17 [2021-03-24 14:49:31,950 INFO L147 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size 17 [2021-03-24 14:49:31,950 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:31,950 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,951 INFO L142 QuantifierPusher]: treesize reduction 33, result has 51.5 percent of original size [2021-03-24 14:49:31,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 14:49:31,952 INFO L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-03-24 14:49:31,954 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size 20 [2021-03-24 14:49:31,954 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-24 14:49:31,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:31,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:31,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:31,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:31,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:31,967 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-03-24 14:49:31,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:49:31,981 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-03-24 14:49:31,981 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-03-24 14:49:31,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:31,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:31,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:31,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:31,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:31,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:31,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:32,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 14:49:32,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:49:32,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-24 14:49:32,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698894838] [2021-03-24 14:49:32,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 14:49:32,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:32,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 14:49:32,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-24 14:49:32,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:49:32,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 937 transitions, 38688 flow. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:32,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:32,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:49:32,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:34,294 INFO L129 PetriNetUnfolder]: 2613/5468 cut-off events. [2021-03-24 14:49:34,294 INFO L130 PetriNetUnfolder]: For 375143/375159 co-relation queries the response was YES. [2021-03-24 14:49:34,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65575 conditions, 5468 events. 2613/5468 cut-off events. For 375143/375159 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 47754 event pairs, 523 based on Foata normal form. 37/5505 useless extension candidates. Maximal degree in co-relation 64845. Up to 2922 conditions per place. [2021-03-24 14:49:34,422 INFO L132 encePairwiseOnDemand]: 25/29 looper letters, 679 selfloop transitions, 313 changer transitions 55/1053 dead transitions. [2021-03-24 14:49:34,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 675 places, 1053 transitions, 43728 flow [2021-03-24 14:49:34,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 14:49:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 14:49:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 104 transitions. [2021-03-24 14:49:34,423 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7172413793103448 [2021-03-24 14:49:34,423 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 104 transitions. [2021-03-24 14:49:34,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 104 transitions. [2021-03-24 14:49:34,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:34,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 104 transitions. [2021-03-24 14:49:34,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:34,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:34,423 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:34,423 INFO L185 Difference]: Start difference. First operand has 672 places, 937 transitions, 38688 flow. Second operand 5 states and 104 transitions. [2021-03-24 14:49:34,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 675 places, 1053 transitions, 43728 flow [2021-03-24 14:49:36,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 1053 transitions, 42724 flow, removed 59 selfloop flow, removed 5 redundant places. [2021-03-24 14:49:36,309 INFO L241 Difference]: Finished difference. Result has 672 places, 939 transitions, 38603 flow [2021-03-24 14:49:36,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37686, PETRI_DIFFERENCE_MINUEND_PLACES=666, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=624, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=38603, PETRI_PLACES=672, PETRI_TRANSITIONS=939} [2021-03-24 14:49:36,309 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 649 predicate places. [2021-03-24 14:49:36,310 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 939 transitions, 38603 flow [2021-03-24 14:49:36,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:36,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:36,310 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:36,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:36,511 INFO L428 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:36,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:36,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1769588913, now seen corresponding path program 3 times [2021-03-24 14:49:36,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:36,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810292499] [2021-03-24 14:49:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:36,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:36,530 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 14:49:36,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:36,540 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:49:36,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:36,560 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.0 percent of original size [2021-03-24 14:49:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:49:36,578 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.0 percent of original size [2021-03-24 14:49:36,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:49:36,595 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-03-24 14:49:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:49:36,612 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-24 14:49:36,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:49:36,627 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:49:36,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:36,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810292499] [2021-03-24 14:49:36,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660789446] [2021-03-24 14:49:36,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:36,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:49:36,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:49:36,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:49:36,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:36,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,674 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:49:36,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:36,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:36,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:36,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:36,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:36,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:36,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:36,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:36,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:49:36,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:36,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:49:36,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:36,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:49:36,713 INFO L142 QuantifierPusher]: treesize reduction 42, result has 78.4 percent of original size [2021-03-24 14:49:36,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,714 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:49:36,715 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:49:36,715 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:36,716 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,716 INFO L142 QuantifierPusher]: treesize reduction 88, result has 57.9 percent of original size [2021-03-24 14:49:36,717 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:36,717 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,718 INFO L142 QuantifierPusher]: treesize reduction 84, result has 52.0 percent of original size [2021-03-24 14:49:36,718 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:36,719 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,720 INFO L142 QuantifierPusher]: treesize reduction 50, result has 40.5 percent of original size [2021-03-24 14:49:36,721 INFO L147 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size 22 [2021-03-24 14:49:36,722 INFO L147 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size 38 [2021-03-24 14:49:36,722 INFO L147 QuantifierPusher]: treesize reduction 24, result has 70.0 percent of original size 56 [2021-03-24 14:49:36,723 INFO L147 QuantifierPusher]: treesize reduction 24, result has 76.0 percent of original size 76 [2021-03-24 14:49:36,724 INFO L142 QuantifierPusher]: treesize reduction 24, result has 76.0 percent of original size [2021-03-24 14:49:36,724 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:49:36,802 INFO L142 QuantifierPusher]: treesize reduction 23, result has 72.3 percent of original size [2021-03-24 14:49:36,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:49:36,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:49:36,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:49:36,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:36,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:49:36,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,808 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:36,808 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,809 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:36,810 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:49:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:49:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:36,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:36,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:36,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:36,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:36,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:36,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,858 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size 68 [2021-03-24 14:49:36,859 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-03-24 14:49:36,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:49:36,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:49:36,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:49:36,910 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.9 percent of original size [2021-03-24 14:49:36,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:36,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-24 14:49:36,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:49:36,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-03-24 14:49:36,917 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.5 percent of original size [2021-03-24 14:49:36,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,918 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:49:36,919 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:49:36,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,920 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:49:36,920 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:36,920 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,921 INFO L142 QuantifierPusher]: treesize reduction 133, result has 30.4 percent of original size [2021-03-24 14:49:36,923 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:49:36,923 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:49:36,923 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:36,924 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,925 INFO L142 QuantifierPusher]: treesize reduction 12, result has 92.6 percent of original size [2021-03-24 14:49:36,925 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:36,925 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,926 INFO L142 QuantifierPusher]: treesize reduction 84, result has 31.7 percent of original size [2021-03-24 14:49:36,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:36,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:49:36,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:49:36,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:49:36,929 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:36,930 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,931 INFO L142 QuantifierPusher]: treesize reduction 19, result has 79.6 percent of original size [2021-03-24 14:49:36,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:49:36,932 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:49:36,932 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,933 INFO L142 QuantifierPusher]: treesize reduction 37, result has 56.5 percent of original size [2021-03-24 14:49:36,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:36,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:36,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:49:36,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 14:49:36,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:49:36,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 14:49:36,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-03-24 14:49:36,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:36,939 INFO L142 QuantifierPusher]: treesize reduction 6, result has 94.5 percent of original size [2021-03-24 14:49:36,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-24 14:49:36,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-24 14:49:36,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:49:36,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:36,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:36,947 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:36,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-03-24 14:49:36,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,952 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:36,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:49:36,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:36,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:36,957 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:36,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:49:36,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:36,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:36,961 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:36,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:49:36,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,966 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:36,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:49:36,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:36,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:36,979 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:36,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:49:36,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:36,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:36,983 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:37,065 INFO L628 ElimStorePlain]: treesize reduction 26, result has 75.7 percent of original size [2021-03-24 14:49:37,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:49:37,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-03-24 14:49:37,067 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:224, output treesize:81 [2021-03-24 14:49:37,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:49:37,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:49:37,132 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.0 percent of original size [2021-03-24 14:49:37,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:49:37,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:49:37,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:49:37,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:49:37,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:49:37,138 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-24 14:49:37,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,140 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 1] term [2021-03-24 14:49:37,140 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:49:37,141 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,142 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:37,142 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,143 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:49:37,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:37,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:37,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:37,145 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:37,146 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:37,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:37,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,151 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:49:37,152 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:37,152 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:37,154 INFO L147 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size 11 [2021-03-24 14:49:37,155 INFO L147 QuantifierPusher]: treesize reduction 35, result has 71.8 percent of original size 89 [2021-03-24 14:49:37,155 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:49:37,159 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,160 INFO L142 QuantifierPusher]: treesize reduction 78, result has 47.3 percent of original size [2021-03-24 14:49:37,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:49:37,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:49:37,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:49:37,193 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 14:49:37,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:49:37,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:49:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:37,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,196 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:37,197 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:37,198 INFO L142 QuantifierPusher]: treesize reduction 61, result has 31.5 percent of original size [2021-03-24 14:49:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:37,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:37,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:37,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:49:37,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:49:37,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872594419] [2021-03-24 14:49:37,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:49:37,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:37,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:49:37,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:49:37,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:49:37,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 939 transitions, 38603 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:37,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:37,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:49:37,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:37,507 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2021-03-24 14:49:37,722 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2021-03-24 14:49:37,950 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2021-03-24 14:49:38,390 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2021-03-24 14:49:38,890 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-24 14:49:39,117 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-03-24 14:49:39,310 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-03-24 14:49:40,054 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2021-03-24 14:49:41,494 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-03-24 14:49:41,867 INFO L129 PetriNetUnfolder]: 2738/5720 cut-off events. [2021-03-24 14:49:41,867 INFO L130 PetriNetUnfolder]: For 402350/402366 co-relation queries the response was YES. [2021-03-24 14:49:41,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70077 conditions, 5720 events. 2738/5720 cut-off events. For 402350/402366 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 50089 event pairs, 565 based on Foata normal form. 6/5725 useless extension candidates. Maximal degree in co-relation 69345. Up to 2584 conditions per place. [2021-03-24 14:49:41,975 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 599 selfloop transitions, 497 changer transitions 3/1105 dead transitions. [2021-03-24 14:49:41,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 1105 transitions, 46305 flow [2021-03-24 14:49:41,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 14:49:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 14:49:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 243 transitions. [2021-03-24 14:49:41,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6445623342175066 [2021-03-24 14:49:41,976 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 243 transitions. [2021-03-24 14:49:41,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 243 transitions. [2021-03-24 14:49:41,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:41,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 243 transitions. [2021-03-24 14:49:41,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.692307692307693) internal successors, (243), 13 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:41,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:41,976 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:41,976 INFO L185 Difference]: Start difference. First operand has 672 places, 939 transitions, 38603 flow. Second operand 13 states and 243 transitions. [2021-03-24 14:49:41,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 1105 transitions, 46305 flow [2021-03-24 14:49:43,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 1105 transitions, 45668 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-03-24 14:49:43,788 INFO L241 Difference]: Finished difference. Result has 686 places, 1011 transitions, 41374 flow [2021-03-24 14:49:43,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=38098, PETRI_DIFFERENCE_MINUEND_PLACES=666, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=939, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=425, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=41374, PETRI_PLACES=686, PETRI_TRANSITIONS=1011} [2021-03-24 14:49:43,788 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 663 predicate places. [2021-03-24 14:49:43,788 INFO L480 AbstractCegarLoop]: Abstraction has has 686 places, 1011 transitions, 41374 flow [2021-03-24 14:49:43,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:43,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:43,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:43,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable328,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:43,989 INFO L428 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:43,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:43,989 INFO L82 PathProgramCache]: Analyzing trace with hash -2091407081, now seen corresponding path program 4 times [2021-03-24 14:49:43,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:43,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590534186] [2021-03-24 14:49:43,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:44,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:44,013 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 14:49:44,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:44,024 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:49:44,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:44,044 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:49:44,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:44,065 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size [2021-03-24 14:49:44,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:49:44,085 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.0 percent of original size [2021-03-24 14:49:44,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:49:44,104 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.7 percent of original size [2021-03-24 14:49:44,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:49:44,122 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:49:44,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:44,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590534186] [2021-03-24 14:49:44,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072412825] [2021-03-24 14:49:44,134 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:44,163 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:49:44,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:49:44,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:49:44,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:44,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,173 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:49:44,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:44,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:44,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:44,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:44,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:49:44,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:44,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:49:44,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:44,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:49:44,215 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.3 percent of original size [2021-03-24 14:49:44,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,217 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:49:44,217 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:44,218 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,219 INFO L142 QuantifierPusher]: treesize reduction 80, result has 55.3 percent of original size [2021-03-24 14:49:44,220 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:44,220 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,221 INFO L142 QuantifierPusher]: treesize reduction 73, result has 51.7 percent of original size [2021-03-24 14:49:44,221 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,224 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,225 INFO L142 QuantifierPusher]: treesize reduction 62, result has 30.3 percent of original size [2021-03-24 14:49:44,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:49:44,227 INFO L147 QuantifierPusher]: treesize reduction 7, result has 84.4 percent of original size 38 [2021-03-24 14:49:44,227 INFO L147 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-03-24 14:49:44,228 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.6 percent of original size 76 [2021-03-24 14:49:44,230 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.6 percent of original size [2021-03-24 14:49:44,230 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:49:44,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-24 14:49:44,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-24 14:49:44,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-24 14:49:44,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-24 14:49:44,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,306 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size 74 [2021-03-24 14:49:44,307 INFO L142 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-03-24 14:49:44,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:49:44,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:49:44,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:49:44,359 INFO L142 QuantifierPusher]: treesize reduction 11, result has 92.3 percent of original size [2021-03-24 14:49:44,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:44,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-03-24 14:49:44,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-24 14:49:44,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-03-24 14:49:44,367 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.9 percent of original size [2021-03-24 14:49:44,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,368 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:49:44,369 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:49:44,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,369 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:49:44,370 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:44,370 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,371 INFO L142 QuantifierPusher]: treesize reduction 107, result has 35.2 percent of original size [2021-03-24 14:49:44,372 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:49:44,373 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:49:44,373 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,374 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,374 INFO L142 QuantifierPusher]: treesize reduction 6, result has 95.9 percent of original size [2021-03-24 14:49:44,375 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,375 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,376 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,376 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:49:44,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:49:44,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:49:44,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:44,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:44,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 14:49:44,382 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:49:44,383 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,384 INFO L142 QuantifierPusher]: treesize reduction 66, result has 54.5 percent of original size [2021-03-24 14:49:44,384 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:44,385 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:44,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:49:44,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:49:44,388 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:44,389 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:44,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:44,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:49:44,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:49:44,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:49:44,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:49:44,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-03-24 14:49:44,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,395 INFO L142 QuantifierPusher]: treesize reduction 6, result has 93.9 percent of original size [2021-03-24 14:49:44,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:49:44,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-24 14:49:44,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:44,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:44,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,412 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:49:44,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:44,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:44,419 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:44,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,425 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:49:44,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,430 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:44,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,436 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,439 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:49:44,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,441 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:49:44,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,447 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:44,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,453 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:49:44,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,459 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:49:44,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:44,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:44,465 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:44,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,470 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:49:44,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,475 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:44,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,480 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:49:44,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:49:44,485 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:49:44,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:44,494 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:49:44,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,500 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:49:44,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,505 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:44,715 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-24 14:49:44,715 INFO L628 ElimStorePlain]: treesize reduction 45, result has 83.1 percent of original size [2021-03-24 14:49:44,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:49:44,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-24 14:49:44,719 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 1 variables, input treesize:787, output treesize:222 [2021-03-24 14:49:44,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:49:44,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:49:44,828 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.6 percent of original size [2021-03-24 14:49:44,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-03-24 14:49:44,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-03-24 14:49:44,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-03-24 14:49:44,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,833 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,834 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,835 INFO L142 QuantifierPusher]: treesize reduction 374, result has 17.4 percent of original size [2021-03-24 14:49:44,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:44,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:44,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:44,882 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:49:44,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:49:44,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:49:44,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:49:44,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:49:44,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:49:44,888 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:49:44,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,889 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:49:44,889 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:49:44,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,892 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:49:44,892 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:49:44,893 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,894 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:49:44,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:44,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:44,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:44,927 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:49:44,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:44,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:44,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:44,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:44,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:49:44,932 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:49:44,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,934 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:49:44,934 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,934 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,935 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,935 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,936 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:49:44,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:44,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,939 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,939 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:44,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:44,941 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:49:44,942 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:44,942 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:44,943 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:49:44,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:44,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:44,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:44,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:44,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:44,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:49:44,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:49:44,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211789628] [2021-03-24 14:49:44,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:49:44,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:44,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:49:44,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:49:44,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:49:44,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 1011 transitions, 41374 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:44,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:44,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:49:44,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:45,254 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2021-03-24 14:49:45,433 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-03-24 14:49:45,786 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-24 14:49:46,147 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-03-24 14:49:46,287 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2021-03-24 14:49:46,839 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-03-24 14:49:47,674 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2021-03-24 14:49:49,075 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2021-03-24 14:49:49,240 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2021-03-24 14:49:49,438 INFO L129 PetriNetUnfolder]: 2800/5850 cut-off events. [2021-03-24 14:49:49,438 INFO L130 PetriNetUnfolder]: For 419217/419270 co-relation queries the response was YES. [2021-03-24 14:49:49,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74705 conditions, 5850 events. 2800/5850 cut-off events. For 419217/419270 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 51303 event pairs, 600 based on Foata normal form. 11/5859 useless extension candidates. Maximal degree in co-relation 73947. Up to 2608 conditions per place. [2021-03-24 14:49:49,571 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 563 selfloop transitions, 522 changer transitions 4/1095 dead transitions. [2021-03-24 14:49:49,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 698 places, 1095 transitions, 46094 flow [2021-03-24 14:49:49,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 14:49:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 14:49:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 268 transitions. [2021-03-24 14:49:49,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6600985221674877 [2021-03-24 14:49:49,572 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 268 transitions. [2021-03-24 14:49:49,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 268 transitions. [2021-03-24 14:49:49,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:49,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 268 transitions. [2021-03-24 14:49:49,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 19.142857142857142) internal successors, (268), 14 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:49,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 29.0) internal successors, (435), 15 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:49,572 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 29.0) internal successors, (435), 15 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:49,572 INFO L185 Difference]: Start difference. First operand has 686 places, 1011 transitions, 41374 flow. Second operand 14 states and 268 transitions. [2021-03-24 14:49:49,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 698 places, 1095 transitions, 46094 flow [2021-03-24 14:49:51,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 1095 transitions, 45336 flow, removed 116 selfloop flow, removed 4 redundant places. [2021-03-24 14:49:51,822 INFO L241 Difference]: Finished difference. Result has 702 places, 1040 transitions, 42954 flow [2021-03-24 14:49:51,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=40708, PETRI_DIFFERENCE_MINUEND_PLACES=681, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=493, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=42954, PETRI_PLACES=702, PETRI_TRANSITIONS=1040} [2021-03-24 14:49:51,823 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 679 predicate places. [2021-03-24 14:49:51,823 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 1040 transitions, 42954 flow [2021-03-24 14:49:51,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:51,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:51,823 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:52,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable345 [2021-03-24 14:49:52,024 INFO L428 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:52,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:52,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1951480057, now seen corresponding path program 5 times [2021-03-24 14:49:52,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:52,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123986412] [2021-03-24 14:49:52,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:52,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:52,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:52,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:52,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,065 INFO L142 QuantifierPusher]: treesize reduction -4, result has 106.8 percent of original size [2021-03-24 14:49:52,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:49:52,102 INFO L142 QuantifierPusher]: treesize reduction -4, result has 108.0 percent of original size [2021-03-24 14:49:52,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:52,127 INFO L142 QuantifierPusher]: treesize reduction -2, result has 116.7 percent of original size [2021-03-24 14:49:52,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:49:52,138 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-24 14:49:52,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:52,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123986412] [2021-03-24 14:49:52,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021433708] [2021-03-24 14:49:52,149 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:52,178 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:49:52,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:49:52,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:49:52,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:52,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:52,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:52,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:52,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:52,182 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:49:52,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:52,203 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:49:52,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:52,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:52,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:52,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:52,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:52,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:52,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:52,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:52,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:52,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,221 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-03-24 14:49:52,222 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-24 14:49:52,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:52,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:52,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:49:52,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:49:52,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:52,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:49:52,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:52,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:49:52,248 INFO L142 QuantifierPusher]: treesize reduction 42, result has 77.9 percent of original size [2021-03-24 14:49:52,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,249 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:49:52,250 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:49:52,251 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:52,251 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,252 INFO L142 QuantifierPusher]: treesize reduction 155, result has 27.2 percent of original size [2021-03-24 14:49:52,253 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:49:52,254 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size 63 [2021-03-24 14:49:52,254 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size [2021-03-24 14:49:52,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:49:52,291 INFO L142 QuantifierPusher]: treesize reduction 25, result has 69.1 percent of original size [2021-03-24 14:49:52,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:49:52,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:49:52,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:52,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:49:52,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:49:52,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:49:52,317 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:49:52,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:52,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:49:52,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:49:52,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:49:52,321 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.9 percent of original size [2021-03-24 14:49:52,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,323 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:49:52,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,323 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:49:52,324 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:52,324 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,325 INFO L142 QuantifierPusher]: treesize reduction 48, result has 70.6 percent of original size [2021-03-24 14:49:52,325 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:52,325 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,326 INFO L142 QuantifierPusher]: treesize reduction 40, result has 61.2 percent of original size [2021-03-24 14:49:52,326 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:49:52,327 INFO L147 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size 45 [2021-03-24 14:49:52,328 INFO L147 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size 45 [2021-03-24 14:49:52,328 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:52,329 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,329 INFO L142 QuantifierPusher]: treesize reduction 126, result has 23.6 percent of original size [2021-03-24 14:49:52,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:52,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:49:52,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:49:52,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,332 INFO L142 QuantifierPusher]: treesize reduction 23, result has 76.0 percent of original size [2021-03-24 14:49:52,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:49:52,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:49:52,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:49:52,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:52,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:52,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:52,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:49:52,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:52,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:52,342 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:52,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:52,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:49:52,357 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:49:52,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:52,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:52,381 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:49:52,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:52,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:52,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:52,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:52,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:49:52,385 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:49:52,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,387 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:49:52,387 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:52,387 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,388 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:52,388 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,389 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:49:52,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:52,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:52,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:52,392 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:52,392 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:52,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:52,395 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:49:52,396 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:52,396 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:52,397 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:49:52,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:52,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:52,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:52,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:52,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:52,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:49:52,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:49:52,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005396112] [2021-03-24 14:49:52,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:49:52,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:52,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:49:52,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:49:52,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:49:52,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 1040 transitions, 42954 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:52,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:52,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:49:52,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:49:55,414 INFO L129 PetriNetUnfolder]: 2796/5827 cut-off events. [2021-03-24 14:49:55,414 INFO L130 PetriNetUnfolder]: For 452050/452103 co-relation queries the response was YES. [2021-03-24 14:49:55,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77408 conditions, 5827 events. 2796/5827 cut-off events. For 452050/452103 co-relation queries the response was YES. Maximal size of possible extension queue 584. Compared 50894 event pairs, 490 based on Foata normal form. 12/5837 useless extension candidates. Maximal degree in co-relation 76627. Up to 2480 conditions per place. [2021-03-24 14:49:55,560 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 559 selfloop transitions, 495 changer transitions 3/1063 dead transitions. [2021-03-24 14:49:55,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 1063 transitions, 45632 flow [2021-03-24 14:49:55,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:49:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:49:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 164 transitions. [2021-03-24 14:49:55,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6283524904214559 [2021-03-24 14:49:55,561 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 164 transitions. [2021-03-24 14:49:55,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 164 transitions. [2021-03-24 14:49:55,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:49:55,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 164 transitions. [2021-03-24 14:49:55,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:55,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:55,562 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:55,562 INFO L185 Difference]: Start difference. First operand has 702 places, 1040 transitions, 42954 flow. Second operand 9 states and 164 transitions. [2021-03-24 14:49:55,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 1063 transitions, 45632 flow [2021-03-24 14:49:58,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 1063 transitions, 44426 flow, removed 114 selfloop flow, removed 5 redundant places. [2021-03-24 14:49:58,100 INFO L241 Difference]: Finished difference. Result has 707 places, 1042 transitions, 42874 flow [2021-03-24 14:49:58,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=41804, PETRI_DIFFERENCE_MINUEND_PLACES=696, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1040, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=493, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42874, PETRI_PLACES=707, PETRI_TRANSITIONS=1042} [2021-03-24 14:49:58,100 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 684 predicate places. [2021-03-24 14:49:58,100 INFO L480 AbstractCegarLoop]: Abstraction has has 707 places, 1042 transitions, 42874 flow [2021-03-24 14:49:58,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:58,100 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:49:58,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:49:58,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable363,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:58,301 INFO L428 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:49:58,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:49:58,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1312581959, now seen corresponding path program 6 times [2021-03-24 14:49:58,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:49:58,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907809571] [2021-03-24 14:49:58,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:49:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:49:58,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:49:58,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:58,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:49:58,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.5 percent of original size [2021-03-24 14:49:58,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:49:58,389 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.5 percent of original size [2021-03-24 14:49:58,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:49:58,427 INFO L142 QuantifierPusher]: treesize reduction 32, result has 57.3 percent of original size [2021-03-24 14:49:58,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:49:58,454 INFO L142 QuantifierPusher]: treesize reduction 34, result has 41.4 percent of original size [2021-03-24 14:49:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 14:49:58,475 INFO L142 QuantifierPusher]: treesize reduction 45, result has 31.8 percent of original size [2021-03-24 14:49:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:49:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:58,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907809571] [2021-03-24 14:49:58,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114856049] [2021-03-24 14:49:58,499 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:49:58,528 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:49:58,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:49:58,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:49:58,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:49:58,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,534 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:49:58,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:58,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:58,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:58,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:49:58,551 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:49:58,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:58,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:58,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:58,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:58,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:58,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:58,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:58,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:58,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:49:58,580 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size [2021-03-24 14:49:58,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:49:58,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:49:58,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:49:58,586 INFO L142 QuantifierPusher]: treesize reduction 42, result has 76.8 percent of original size [2021-03-24 14:49:58,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,586 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:49:58,587 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:49:58,588 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:58,588 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,589 INFO L142 QuantifierPusher]: treesize reduction 98, result has 53.1 percent of original size [2021-03-24 14:49:58,589 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:58,590 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,591 INFO L142 QuantifierPusher]: treesize reduction 37, result has 67.8 percent of original size [2021-03-24 14:49:58,591 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-24 14:49:58,591 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,592 INFO L142 QuantifierPusher]: treesize reduction 63, result has 49.2 percent of original size [2021-03-24 14:49:58,592 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:58,593 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,594 INFO L142 QuantifierPusher]: treesize reduction 25, result has 58.3 percent of original size [2021-03-24 14:49:58,595 INFO L147 QuantifierPusher]: treesize reduction 13, result has 27.8 percent of original size 5 [2021-03-24 14:49:58,595 INFO L147 QuantifierPusher]: treesize reduction 13, result has 40.9 percent of original size 9 [2021-03-24 14:49:58,596 INFO L147 QuantifierPusher]: treesize reduction 13, result has 67.5 percent of original size 27 [2021-03-24 14:49:58,597 INFO L147 QuantifierPusher]: treesize reduction 13, result has 77.6 percent of original size 45 [2021-03-24 14:49:58,597 INFO L147 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size 52 [2021-03-24 14:49:58,598 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.0 percent of original size [2021-03-24 14:49:58,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:49:58,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,633 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size 61 [2021-03-24 14:49:58,633 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size [2021-03-24 14:49:58,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:49:58,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:49:58,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:49:58,675 INFO L142 QuantifierPusher]: treesize reduction 23, result has 70.9 percent of original size [2021-03-24 14:49:58,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:49:58,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:49:58,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:49:58,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:49:58,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:49:58,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:49:58,704 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:49:58,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:58,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:49:58,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:49:58,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:49:58,708 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.9 percent of original size [2021-03-24 14:49:58,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,710 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:49:58,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,711 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:49:58,711 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:49:58,712 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,713 INFO L142 QuantifierPusher]: treesize reduction 115, result has 31.1 percent of original size [2021-03-24 14:49:58,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:58,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:58,714 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:58,715 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,715 INFO L142 QuantifierPusher]: treesize reduction 84, result has 31.7 percent of original size [2021-03-24 14:49:58,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:49:58,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:49:58,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:49:58,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:49:58,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:49:58,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:49:58,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:58,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:49:58,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:58,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:49:58,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:49:58,727 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:49:58,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:58,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:49:58,741 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:49:58,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:58,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:49:58,766 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:49:58,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:58,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:58,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:49:58,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:49:58,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:49:58,781 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:49:58,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,782 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:49:58,782 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:58,784 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,788 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:58,789 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:58,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:49:58,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:58,792 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:58,793 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,793 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:49:58,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:49:58,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:49:58,795 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:49:58,797 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:49:58,801 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:49:58,802 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:49:58,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:58,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:58,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:49:58,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:49:58,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:49:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:49:58,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:49:58,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:49:58,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945961150] [2021-03-24 14:49:58,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:49:58,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:49:58,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:49:58,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:49:58,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:49:58,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 707 places, 1042 transitions, 42874 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:49:58,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:49:58,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:49:58,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:01,870 INFO L129 PetriNetUnfolder]: 2795/5846 cut-off events. [2021-03-24 14:50:01,870 INFO L130 PetriNetUnfolder]: For 462016/462032 co-relation queries the response was YES. [2021-03-24 14:50:01,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77475 conditions, 5846 events. 2795/5846 cut-off events. For 462016/462032 co-relation queries the response was YES. Maximal size of possible extension queue 586. Compared 51292 event pairs, 468 based on Foata normal form. 5/5850 useless extension candidates. Maximal degree in co-relation 77184. Up to 2304 conditions per place. [2021-03-24 14:50:02,012 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 571 selfloop transitions, 501 changer transitions 3/1081 dead transitions. [2021-03-24 14:50:02,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 713 places, 1081 transitions, 45850 flow [2021-03-24 14:50:02,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:50:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:50:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 168 transitions. [2021-03-24 14:50:02,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6436781609195402 [2021-03-24 14:50:02,013 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 168 transitions. [2021-03-24 14:50:02,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 168 transitions. [2021-03-24 14:50:02,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:50:02,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 168 transitions. [2021-03-24 14:50:02,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 9 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:02,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:02,014 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:02,014 INFO L185 Difference]: Start difference. First operand has 707 places, 1042 transitions, 42874 flow. Second operand 9 states and 168 transitions. [2021-03-24 14:50:02,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 713 places, 1081 transitions, 45850 flow [2021-03-24 14:50:04,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 706 places, 1081 transitions, 44833 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-03-24 14:50:04,727 INFO L241 Difference]: Finished difference. Result has 709 places, 1045 transitions, 42968 flow [2021-03-24 14:50:04,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=41869, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=498, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42968, PETRI_PLACES=709, PETRI_TRANSITIONS=1045} [2021-03-24 14:50:04,728 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 686 predicate places. [2021-03-24 14:50:04,728 INFO L480 AbstractCegarLoop]: Abstraction has has 709 places, 1045 transitions, 42968 flow [2021-03-24 14:50:04,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:04,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:50:04,728 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:50:04,928 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable372,52 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:04,928 INFO L428 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:50:04,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:50:04,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1048407061, now seen corresponding path program 7 times [2021-03-24 14:50:04,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:50:04,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624331578] [2021-03-24 14:50:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:50:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:04,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:04,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:04,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:50:04,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:50:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:04,952 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-24 14:50:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:04,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:04,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:04,981 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.9 percent of original size [2021-03-24 14:50:04,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:05,002 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:50:05,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:50:05,017 INFO L142 QuantifierPusher]: treesize reduction -2, result has 111.8 percent of original size [2021-03-24 14:50:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:05,032 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:50:05,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:05,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624331578] [2021-03-24 14:50:05,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376894398] [2021-03-24 14:50:05,046 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:05,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:50:05,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:50:05,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:05,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:05,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:05,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:05,099 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:50:05,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,117 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:50:05,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:05,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:05,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,125 INFO L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-03-24 14:50:05,125 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 14:50:05,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:05,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:05,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:05,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:05,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:05,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:05,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:05,158 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-03-24 14:50:05,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:05,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:05,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:05,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:50:05,163 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:50:05,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,164 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:05,165 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:05,165 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,166 INFO L142 QuantifierPusher]: treesize reduction 64, result has 54.0 percent of original size [2021-03-24 14:50:05,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:05,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:05,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:05,206 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.7 percent of original size [2021-03-24 14:50:05,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:05,208 INFO L147 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size 55 [2021-03-24 14:50:05,209 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.7 percent of original size [2021-03-24 14:50:05,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:50:05,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:05,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:05,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:50:05,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:50:05,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:50:05,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:50:05,250 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size [2021-03-24 14:50:05,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:05,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:50:05,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:50:05,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:50:05,256 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.3 percent of original size [2021-03-24 14:50:05,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,258 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:50:05,258 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:50:05,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,259 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:50:05,259 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:05,260 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,261 INFO L142 QuantifierPusher]: treesize reduction 50, result has 65.0 percent of original size [2021-03-24 14:50:05,261 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-24 14:50:05,261 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,262 INFO L142 QuantifierPusher]: treesize reduction 75, result has 54.8 percent of original size [2021-03-24 14:50:05,263 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:05,263 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,264 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.0 percent of original size [2021-03-24 14:50:05,264 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:05,265 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,265 INFO L142 QuantifierPusher]: treesize reduction 37, result has 38.3 percent of original size [2021-03-24 14:50:05,266 INFO L147 QuantifierPusher]: treesize reduction 13, result has 27.8 percent of original size 5 [2021-03-24 14:50:05,267 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 14:50:05,267 INFO L147 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size 43 [2021-03-24 14:50:05,268 INFO L147 QuantifierPusher]: treesize reduction 28, result has 68.5 percent of original size 61 [2021-03-24 14:50:05,269 INFO L147 QuantifierPusher]: treesize reduction 28, result has 68.5 percent of original size 61 [2021-03-24 14:50:05,269 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:05,269 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,270 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.7 percent of original size [2021-03-24 14:50:05,270 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:05,271 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,271 INFO L142 QuantifierPusher]: treesize reduction 39, result has 43.5 percent of original size [2021-03-24 14:50:05,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:50:05,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:50:05,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 14:50:05,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:50:05,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:50:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:50:05,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,276 INFO L142 QuantifierPusher]: treesize reduction 28, result has 74.8 percent of original size [2021-03-24 14:50:05,276 INFO L147 QuantifierPusher]: treesize reduction 17, result has 79.5 percent of original size 66 [2021-03-24 14:50:05,277 INFO L147 QuantifierPusher]: treesize reduction 17, result has 81.5 percent of original size 75 [2021-03-24 14:50:05,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:50:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:05,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:05,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:50:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:05,287 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:05,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:50:05,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:05,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:05,290 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:05,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:05,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:50:05,304 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:78, output treesize:35 [2021-03-24 14:50:05,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:05,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:05,328 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:50:05,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:05,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:05,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:05,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:05,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:50:05,332 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:50:05,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,334 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:50:05,334 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:05,334 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:05,335 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:05,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:05,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:05,339 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:05,339 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,339 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:50:05,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:05,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:05,342 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:50:05,342 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:05,342 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:05,343 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:50:05,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:05,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:05,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:05,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:05,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:05,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:50:05,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:50:05,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430017570] [2021-03-24 14:50:05,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:50:05,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:50:05,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:50:05,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:50:05,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:50:05,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 709 places, 1045 transitions, 42968 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:05,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:50:05,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:50:05,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:08,337 INFO L129 PetriNetUnfolder]: 2796/5831 cut-off events. [2021-03-24 14:50:08,337 INFO L130 PetriNetUnfolder]: For 454478/454531 co-relation queries the response was YES. [2021-03-24 14:50:08,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77126 conditions, 5831 events. 2796/5831 cut-off events. For 454478/454531 co-relation queries the response was YES. Maximal size of possible extension queue 586. Compared 50947 event pairs, 483 based on Foata normal form. 12/5841 useless extension candidates. Maximal degree in co-relation 76342. Up to 2465 conditions per place. [2021-03-24 14:50:08,496 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 559 selfloop transitions, 503 changer transitions 3/1071 dead transitions. [2021-03-24 14:50:08,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 715 places, 1071 transitions, 45690 flow [2021-03-24 14:50:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:50:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:50:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 164 transitions. [2021-03-24 14:50:08,497 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6283524904214559 [2021-03-24 14:50:08,497 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 164 transitions. [2021-03-24 14:50:08,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 164 transitions. [2021-03-24 14:50:08,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:50:08,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 164 transitions. [2021-03-24 14:50:08,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:08,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:08,497 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:08,497 INFO L185 Difference]: Start difference. First operand has 709 places, 1045 transitions, 42968 flow. Second operand 9 states and 164 transitions. [2021-03-24 14:50:08,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 715 places, 1071 transitions, 45690 flow [2021-03-24 14:50:11,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 710 places, 1071 transitions, 44709 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-24 14:50:11,503 INFO L241 Difference]: Finished difference. Result has 713 places, 1047 transitions, 43114 flow [2021-03-24 14:50:11,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=42000, PETRI_DIFFERENCE_MINUEND_PLACES=702, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=501, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=43114, PETRI_PLACES=713, PETRI_TRANSITIONS=1047} [2021-03-24 14:50:11,504 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 690 predicate places. [2021-03-24 14:50:11,504 INFO L480 AbstractCegarLoop]: Abstraction has has 713 places, 1047 transitions, 43114 flow [2021-03-24 14:50:11,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:11,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:50:11,504 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:50:11,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable383,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:11,705 INFO L428 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:50:11,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:50:11,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1049374425, now seen corresponding path program 8 times [2021-03-24 14:50:11,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:50:11,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903663466] [2021-03-24 14:50:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:50:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:11,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:11,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:50:11,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:11,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:50:11,743 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.1 percent of original size [2021-03-24 14:50:11,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:11,763 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.1 percent of original size [2021-03-24 14:50:11,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:11,783 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.0 percent of original size [2021-03-24 14:50:11,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:50:11,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:11,816 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:50:11,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:11,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:11,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903663466] [2021-03-24 14:50:11,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988916219] [2021-03-24 14:50:11,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:11,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:50:11,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:50:11,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:50:11,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:50:11,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:11,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:11,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:11,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:11,862 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:50:11,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:11,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:11,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:11,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:11,887 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:50:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:11,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:11,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:11,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:11,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:11,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:11,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:11,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:11,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:11,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:11,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:11,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:11,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:11,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:11,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:11,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:11,905 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size [2021-03-24 14:50:11,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:11,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:50:11,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:11,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:11,909 INFO L142 QuantifierPusher]: treesize reduction 42, result has 76.8 percent of original size [2021-03-24 14:50:11,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,909 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:50:11,910 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:50:11,910 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:11,911 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,911 INFO L142 QuantifierPusher]: treesize reduction 113, result has 46.4 percent of original size [2021-03-24 14:50:11,912 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:11,912 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,912 INFO L142 QuantifierPusher]: treesize reduction 73, result has 51.0 percent of original size [2021-03-24 14:50:11,913 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:11,913 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,913 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-03-24 14:50:11,914 INFO L147 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size 22 [2021-03-24 14:50:11,915 INFO L147 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size 27 [2021-03-24 14:50:11,915 INFO L147 QuantifierPusher]: treesize reduction 18, result has 71.4 percent of original size 45 [2021-03-24 14:50:11,916 INFO L147 QuantifierPusher]: treesize reduction 18, result has 74.3 percent of original size 52 [2021-03-24 14:50:11,916 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.3 percent of original size [2021-03-24 14:50:11,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:50:11,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,945 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size 61 [2021-03-24 14:50:11,945 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size [2021-03-24 14:50:11,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:11,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:11,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:11,979 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.5 percent of original size [2021-03-24 14:50:11,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:11,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-24 14:50:11,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-24 14:50:11,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-24 14:50:11,984 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.5 percent of original size [2021-03-24 14:50:11,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,985 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:11,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,986 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:50:11,986 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:11,987 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,987 INFO L142 QuantifierPusher]: treesize reduction 48, result has 70.6 percent of original size [2021-03-24 14:50:11,987 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:11,988 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,988 INFO L142 QuantifierPusher]: treesize reduction 63, result has 38.8 percent of original size [2021-03-24 14:50:11,989 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:50:11,990 INFO L147 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size 45 [2021-03-24 14:50:11,990 INFO L147 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size 45 [2021-03-24 14:50:11,990 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:11,990 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,991 INFO L142 QuantifierPusher]: treesize reduction 48, result has 70.0 percent of original size [2021-03-24 14:50:11,991 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:11,992 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,993 INFO L142 QuantifierPusher]: treesize reduction 22, result has 81.5 percent of original size [2021-03-24 14:50:11,993 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:11,993 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,994 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:11,995 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:50:11,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:11,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:11,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:11,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:11,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:11,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:12,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:12,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 14:50:12,001 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:12,002 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:12,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:50:12,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:50:12,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-24 14:50:12,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:50:12,007 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:12,008 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:12,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:12,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:50:12,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:12,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:50:12,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,012 INFO L142 QuantifierPusher]: treesize reduction 23, result has 79.8 percent of original size [2021-03-24 14:50:12,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-24 14:50:12,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:50:12,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:12,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:12,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:12,020 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:12,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:50:12,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:12,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:12,025 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:12,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:50:12,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:12,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:12,029 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:12,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:12,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:12,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:12,034 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:12,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:12,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:12,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:12,061 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:12,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:12,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:12,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:12,066 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:12,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:12,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:12,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:12,070 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:12,142 INFO L628 ElimStorePlain]: treesize reduction 4, result has 94.4 percent of original size [2021-03-24 14:50:12,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:12,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:50:12,143 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:266, output treesize:67 [2021-03-24 14:50:12,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:12,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:12,194 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:50:12,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:50:12,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:12,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:50:12,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:12,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:50:12,200 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:50:12,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,201 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:50:12,201 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:12,202 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,204 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:50:12,204 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:12,204 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,205 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:50:12,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:12,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:12,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:12,240 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:50:12,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:12,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:12,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:12,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:12,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:50:12,245 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:50:12,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,246 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:50:12,247 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:12,247 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,248 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:12,248 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,249 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:50:12,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:12,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:12,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:12,251 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:12,252 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:12,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:12,254 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:50:12,254 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:12,255 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:12,255 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:50:12,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:12,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:12,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:12,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:12,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:12,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:50:12,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:50:12,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993111793] [2021-03-24 14:50:12,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:50:12,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:50:12,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:50:12,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:50:12,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:50:12,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 713 places, 1047 transitions, 43114 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:12,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:50:12,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:50:12,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:15,743 INFO L129 PetriNetUnfolder]: 2793/5833 cut-off events. [2021-03-24 14:50:15,743 INFO L130 PetriNetUnfolder]: For 468748/468801 co-relation queries the response was YES. [2021-03-24 14:50:15,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78288 conditions, 5833 events. 2793/5833 cut-off events. For 468748/468801 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 50963 event pairs, 465 based on Foata normal form. 16/5847 useless extension candidates. Maximal degree in co-relation 77990. Up to 2303 conditions per place. [2021-03-24 14:50:15,889 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 570 selfloop transitions, 504 changer transitions 7/1087 dead transitions. [2021-03-24 14:50:15,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 721 places, 1087 transitions, 46173 flow [2021-03-24 14:50:15,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:50:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:50:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 208 transitions. [2021-03-24 14:50:15,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6520376175548589 [2021-03-24 14:50:15,890 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 208 transitions. [2021-03-24 14:50:15,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 208 transitions. [2021-03-24 14:50:15,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:50:15,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 208 transitions. [2021-03-24 14:50:15,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.90909090909091) internal successors, (208), 11 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:15,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:15,891 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:15,891 INFO L185 Difference]: Start difference. First operand has 713 places, 1047 transitions, 43114 flow. Second operand 11 states and 208 transitions. [2021-03-24 14:50:15,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 721 places, 1087 transitions, 46173 flow [2021-03-24 14:50:18,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 716 places, 1087 transitions, 45174 flow, removed 29 selfloop flow, removed 5 redundant places. [2021-03-24 14:50:18,956 INFO L241 Difference]: Finished difference. Result has 720 places, 1049 transitions, 43188 flow [2021-03-24 14:50:18,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=42122, PETRI_DIFFERENCE_MINUEND_PLACES=706, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=502, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=43188, PETRI_PLACES=720, PETRI_TRANSITIONS=1049} [2021-03-24 14:50:18,957 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 697 predicate places. [2021-03-24 14:50:18,957 INFO L480 AbstractCegarLoop]: Abstraction has has 720 places, 1049 transitions, 43188 flow [2021-03-24 14:50:18,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:18,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:50:18,957 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:50:19,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable395,54 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:19,158 INFO L428 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:50:19,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:50:19,158 INFO L82 PathProgramCache]: Analyzing trace with hash 440030571, now seen corresponding path program 9 times [2021-03-24 14:50:19,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:50:19,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803685354] [2021-03-24 14:50:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:50:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:19,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:19,173 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:50:19,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:50:19,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,181 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-24 14:50:19,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:19,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:19,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:19,228 INFO L142 QuantifierPusher]: treesize reduction -3, result has 111.1 percent of original size [2021-03-24 14:50:19,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:50:19,246 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-24 14:50:19,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:50:19,259 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-24 14:50:19,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:19,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803685354] [2021-03-24 14:50:19,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077073521] [2021-03-24 14:50:19,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:19,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:50:19,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:50:19,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:50:19,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:50:19,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:19,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:19,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:19,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:19,305 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:50:19,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:19,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:19,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:19,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:19,321 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:50:19,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:19,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:19,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:19,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:19,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:19,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:19,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,338 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-03-24 14:50:19,338 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-24 14:50:19,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:19,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:19,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:19,353 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:50:19,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:19,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:50:19,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:19,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:50:19,357 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:50:19,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,358 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:19,359 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:19,359 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,360 INFO L142 QuantifierPusher]: treesize reduction 80, result has 55.3 percent of original size [2021-03-24 14:50:19,360 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:19,360 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,361 INFO L142 QuantifierPusher]: treesize reduction 100, result has 28.1 percent of original size [2021-03-24 14:50:19,362 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:50:19,362 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:50:19,363 INFO L147 QuantifierPusher]: treesize reduction 7, result has 89.7 percent of original size 61 [2021-03-24 14:50:19,363 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.7 percent of original size [2021-03-24 14:50:19,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:19,394 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.5 percent of original size [2021-03-24 14:50:19,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:19,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-24 14:50:19,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-24 14:50:19,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-24 14:50:19,399 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.0 percent of original size [2021-03-24 14:50:19,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,400 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:50:19,401 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:50:19,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,401 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:50:19,401 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:19,402 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,402 INFO L142 QuantifierPusher]: treesize reduction 76, result has 59.4 percent of original size [2021-03-24 14:50:19,403 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:19,403 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,404 INFO L142 QuantifierPusher]: treesize reduction 124, result has 23.9 percent of original size [2021-03-24 14:50:19,404 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:50:19,405 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:50:19,405 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:50:19,405 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,406 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,406 INFO L142 QuantifierPusher]: treesize reduction 32, result has 77.8 percent of original size [2021-03-24 14:50:19,407 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,407 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,407 INFO L142 QuantifierPusher]: treesize reduction 22, result has 81.5 percent of original size [2021-03-24 14:50:19,408 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,408 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,409 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,409 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:50:19,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:19,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:19,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:19,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:19,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:19,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 14:50:19,413 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:19,414 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:19,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:19,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:50:19,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:50:19,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-24 14:50:19,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:50:19,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:19,418 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:19,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:50:19,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:19,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:50:19,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,422 INFO L142 QuantifierPusher]: treesize reduction 7, result has 92.9 percent of original size [2021-03-24 14:50:19,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-24 14:50:19,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:50:19,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:19,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:19,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:19,428 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:19,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:50:19,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:19,431 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:19,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:50:19,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:19,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:19,435 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:19,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:19,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:19,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:19,441 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:19,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:19,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,444 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:19,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:19,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,449 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:19,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:19,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:19,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:19,453 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:19,508 INFO L628 ElimStorePlain]: treesize reduction 4, result has 94.4 percent of original size [2021-03-24 14:50:19,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:19,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:50:19,509 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:266, output treesize:67 [2021-03-24 14:50:19,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:19,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:19,549 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:50:19,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:50:19,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:19,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:50:19,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:19,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:50:19,554 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:50:19,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,555 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:50:19,555 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:19,556 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,557 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:50:19,557 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,558 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,559 INFO L142 QuantifierPusher]: treesize reduction 141, result has 23.8 percent of original size [2021-03-24 14:50:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:19,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:19,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:19,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:50:19,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:50:19,588 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:50:19,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,589 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:50:19,589 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,589 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,590 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,590 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:19,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,594 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,594 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,595 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:50:19,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:19,597 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:50:19,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:19,597 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:19,598 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:50:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:19,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:19,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:50:19,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:50:19,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745577396] [2021-03-24 14:50:19,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:50:19,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:50:19,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:50:19,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:50:19,615 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:50:19,615 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 720 places, 1049 transitions, 43188 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:19,615 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:50:19,615 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:50:19,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:22,950 INFO L129 PetriNetUnfolder]: 2796/5823 cut-off events. [2021-03-24 14:50:22,950 INFO L130 PetriNetUnfolder]: For 483827/483880 co-relation queries the response was YES. [2021-03-24 14:50:23,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79739 conditions, 5823 events. 2796/5823 cut-off events. For 483827/483880 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 50797 event pairs, 486 based on Foata normal form. 15/5836 useless extension candidates. Maximal degree in co-relation 78939. Up to 2467 conditions per place. [2021-03-24 14:50:23,093 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 567 selfloop transitions, 499 changer transitions 6/1078 dead transitions. [2021-03-24 14:50:23,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 728 places, 1078 transitions, 46019 flow [2021-03-24 14:50:23,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:50:23,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:50:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 203 transitions. [2021-03-24 14:50:23,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364 [2021-03-24 14:50:23,094 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 203 transitions. [2021-03-24 14:50:23,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 203 transitions. [2021-03-24 14:50:23,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:50:23,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 203 transitions. [2021-03-24 14:50:23,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.454545454545453) internal successors, (203), 11 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:23,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:23,094 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:23,094 INFO L185 Difference]: Start difference. First operand has 720 places, 1049 transitions, 43188 flow. Second operand 11 states and 203 transitions. [2021-03-24 14:50:23,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 728 places, 1078 transitions, 46019 flow [2021-03-24 14:50:25,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 720 places, 1078 transitions, 44971 flow, removed 20 selfloop flow, removed 8 redundant places. [2021-03-24 14:50:25,828 INFO L241 Difference]: Finished difference. Result has 724 places, 1052 transitions, 43243 flow [2021-03-24 14:50:25,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=42158, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=497, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=43243, PETRI_PLACES=724, PETRI_TRANSITIONS=1052} [2021-03-24 14:50:25,829 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 701 predicate places. [2021-03-24 14:50:25,829 INFO L480 AbstractCegarLoop]: Abstraction has has 724 places, 1052 transitions, 43243 flow [2021-03-24 14:50:25,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:25,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:50:25,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:50:26,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable413 [2021-03-24 14:50:26,030 INFO L428 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:50:26,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:50:26,030 INFO L82 PathProgramCache]: Analyzing trace with hash 679563957, now seen corresponding path program 10 times [2021-03-24 14:50:26,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:50:26,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72329315] [2021-03-24 14:50:26,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:50:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:26,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:26,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:50:26,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:26,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:50:26,075 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-24 14:50:26,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:26,094 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.7 percent of original size [2021-03-24 14:50:26,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:26,123 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:50:26,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:26,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72329315] [2021-03-24 14:50:26,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767656075] [2021-03-24 14:50:26,137 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:26,181 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:50:26,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:50:26,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:50:26,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:50:26,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:26,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:26,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:26,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:26,185 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:50:26,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,202 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:50:26,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:26,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:26,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,210 INFO L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-03-24 14:50:26,210 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 14:50:26,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:26,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:26,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:26,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:26,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:26,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:26,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:26,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:50:26,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:26,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:50:26,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:26,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:50:26,248 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:50:26,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,249 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:26,249 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:26,250 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,251 INFO L142 QuantifierPusher]: treesize reduction 39, result has 71.9 percent of original size [2021-03-24 14:50:26,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:26,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:50:26,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:50:26,294 INFO L142 QuantifierPusher]: treesize reduction 25, result has 69.1 percent of original size [2021-03-24 14:50:26,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:50:26,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:50:26,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:26,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:50:26,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:50:26,328 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:50:26,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:26,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:50:26,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:26,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:50:26,333 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.9 percent of original size [2021-03-24 14:50:26,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,335 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:26,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,335 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:50:26,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:26,336 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,337 INFO L142 QuantifierPusher]: treesize reduction 54, result has 66.9 percent of original size [2021-03-24 14:50:26,337 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:26,338 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,339 INFO L142 QuantifierPusher]: treesize reduction 73, result has 51.7 percent of original size [2021-03-24 14:50:26,339 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:26,340 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,340 INFO L142 QuantifierPusher]: treesize reduction 62, result has 30.3 percent of original size [2021-03-24 14:50:26,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:50:26,342 INFO L147 QuantifierPusher]: treesize reduction 7, result has 84.4 percent of original size 38 [2021-03-24 14:50:26,342 INFO L147 QuantifierPusher]: treesize reduction 17, result has 76.7 percent of original size 56 [2021-03-24 14:50:26,343 INFO L147 QuantifierPusher]: treesize reduction 17, result has 76.7 percent of original size 56 [2021-03-24 14:50:26,343 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:26,343 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,344 INFO L142 QuantifierPusher]: treesize reduction 126, result has 28.0 percent of original size [2021-03-24 14:50:26,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:50:26,345 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:26,346 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:50:26,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:50:26,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:50:26,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,348 INFO L142 QuantifierPusher]: treesize reduction 10, result has 47.4 percent of original size [2021-03-24 14:50:26,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:26,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:26,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,349 INFO L142 QuantifierPusher]: treesize reduction 17, result has 83.2 percent of original size [2021-03-24 14:50:26,350 INFO L147 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size 73 [2021-03-24 14:50:26,351 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size 82 [2021-03-24 14:50:26,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:50:26,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:26,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:26,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:50:26,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:26,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:26,362 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:26,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:50:26,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:26,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:26,366 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:26,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:26,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:50:26,382 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:76, output treesize:35 [2021-03-24 14:50:26,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:26,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:26,407 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:50:26,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:26,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:26,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:26,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:26,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:50:26,411 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:50:26,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,412 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:50:26,412 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:26,413 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,413 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:26,414 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,414 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:50:26,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:26,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:26,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:26,417 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:26,417 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:26,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:26,420 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:50:26,420 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:26,421 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:26,421 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:50:26,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:26,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:26,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:26,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:26,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:26,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:50:26,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:50:26,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855134204] [2021-03-24 14:50:26,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:50:26,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:50:26,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:50:26,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:50:26,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:50:26,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 724 places, 1052 transitions, 43243 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:26,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:50:26,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:50:26,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:29,825 INFO L129 PetriNetUnfolder]: 2793/5819 cut-off events. [2021-03-24 14:50:29,825 INFO L130 PetriNetUnfolder]: For 508696/508749 co-relation queries the response was YES. [2021-03-24 14:50:29,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81611 conditions, 5819 events. 2793/5819 cut-off events. For 508696/508749 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 50792 event pairs, 481 based on Foata normal form. 12/5829 useless extension candidates. Maximal degree in co-relation 80801. Up to 2457 conditions per place. [2021-03-24 14:50:29,972 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 565 selfloop transitions, 503 changer transitions 3/1077 dead transitions. [2021-03-24 14:50:29,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 1077 transitions, 45960 flow [2021-03-24 14:50:29,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:50:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:50:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 164 transitions. [2021-03-24 14:50:29,973 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6283524904214559 [2021-03-24 14:50:29,973 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 164 transitions. [2021-03-24 14:50:29,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 164 transitions. [2021-03-24 14:50:29,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:50:29,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 164 transitions. [2021-03-24 14:50:29,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:29,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:29,973 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:29,973 INFO L185 Difference]: Start difference. First operand has 724 places, 1052 transitions, 43243 flow. Second operand 9 states and 164 transitions. [2021-03-24 14:50:29,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 1077 transitions, 45960 flow [2021-03-24 14:50:32,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 724 places, 1077 transitions, 45038 flow, removed 34 selfloop flow, removed 6 redundant places. [2021-03-24 14:50:32,610 INFO L241 Difference]: Finished difference. Result has 726 places, 1054 transitions, 43399 flow [2021-03-24 14:50:32,611 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=42333, PETRI_DIFFERENCE_MINUEND_PLACES=716, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=501, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=43399, PETRI_PLACES=726, PETRI_TRANSITIONS=1054} [2021-03-24 14:50:32,611 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 703 predicate places. [2021-03-24 14:50:32,611 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 1054 transitions, 43399 flow [2021-03-24 14:50:32,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:32,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:50:32,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:50:32,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable430,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:32,811 INFO L428 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:50:32,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:50:32,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1737488799, now seen corresponding path program 11 times [2021-03-24 14:50:32,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:50:32,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768899205] [2021-03-24 14:50:32,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:50:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:32,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:32,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:50:32,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:32,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:32,842 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.9 percent of original size [2021-03-24 14:50:32,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:50:32,872 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size [2021-03-24 14:50:32,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:50:32,902 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size [2021-03-24 14:50:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:50:32,921 INFO L142 QuantifierPusher]: treesize reduction 27, result has 41.3 percent of original size [2021-03-24 14:50:32,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:32,936 INFO L142 QuantifierPusher]: treesize reduction 38, result has 30.9 percent of original size [2021-03-24 14:50:32,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:32,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768899205] [2021-03-24 14:50:32,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100390335] [2021-03-24 14:50:32,949 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:32,979 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 14:50:32,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:50:32,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 14:50:32,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:50:32,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:32,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:32,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:32,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:32,997 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:50:32,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:32,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:32,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:32,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:32,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,019 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:50:33,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:33,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:33,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,027 INFO L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-03-24 14:50:33,028 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 14:50:33,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:33,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:33,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:33,047 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size [2021-03-24 14:50:33,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:50:33,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:33,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:50:33,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:50:33,051 INFO L142 QuantifierPusher]: treesize reduction 42, result has 74.4 percent of original size [2021-03-24 14:50:33,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,052 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:50:33,053 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:50:33,053 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,054 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,054 INFO L142 QuantifierPusher]: treesize reduction 137, result has 19.9 percent of original size [2021-03-24 14:50:33,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:50:33,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:50:33,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:50:33,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:33,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:33,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:33,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:33,104 INFO L142 QuantifierPusher]: treesize reduction 9, result has 91.9 percent of original size [2021-03-24 14:50:33,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:33,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-24 14:50:33,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:50:33,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-24 14:50:33,108 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.8 percent of original size [2021-03-24 14:50:33,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,109 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:33,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,110 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:50:33,110 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:33,111 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,111 INFO L142 QuantifierPusher]: treesize reduction 115, result has 31.1 percent of original size [2021-03-24 14:50:33,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:33,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:33,113 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,113 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,114 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:33,114 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,115 INFO L142 QuantifierPusher]: treesize reduction 27, result has 77.9 percent of original size [2021-03-24 14:50:33,115 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:33,115 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:33,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:33,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:50:33,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:33,118 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,118 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:50:33,120 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:50:33,120 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,120 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.7 percent of original size [2021-03-24 14:50:33,121 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:33,121 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:33,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:33,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:50:33,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:50:33,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:33,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 14:50:33,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 14:50:33,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:33,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-24 14:50:33,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 14:50:33,128 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,129 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,129 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:50:33,130 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,130 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:50:33,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:33,131 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:33,131 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:33,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:33,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:50:33,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:33,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:33,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:50:33,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:50:33,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:50:33,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-03-24 14:50:33,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-24 14:50:33,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-24 14:50:33,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:33,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:33,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:33,149 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:50:33,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,153 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:50:33,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,157 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:33,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:33,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:33,160 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:50:33,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:33,164 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:50:33,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,171 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:50:33,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,175 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:50:33,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:33,178 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:33,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:33,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:33,181 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:33,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:33,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:33,185 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:50:33,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:33,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:33,188 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:33,234 INFO L628 ElimStorePlain]: treesize reduction 27, result has 69.3 percent of original size [2021-03-24 14:50:33,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:33,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:50:33,235 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:415, output treesize:61 [2021-03-24 14:50:33,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:33,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:33,268 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:50:33,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:50:33,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:50:33,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:50:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:50:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:50:33,273 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.7 percent of original size [2021-03-24 14:50:33,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,274 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 1] term [2021-03-24 14:50:33,274 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:33,274 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,276 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 79 [2021-03-24 14:50:33,276 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,276 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,277 INFO L142 QuantifierPusher]: treesize reduction 131, result has 24.3 percent of original size [2021-03-24 14:50:33,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:33,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:33,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:33,300 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:50:33,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:50:33,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:50:33,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:50:33,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:50:33,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:50:33,304 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size [2021-03-24 14:50:33,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,304 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-24 14:50:33,305 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,305 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,306 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,306 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:33,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:33,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:33,310 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,311 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,311 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:50:33,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:33,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:33,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:50:33,313 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:33,313 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:33,314 INFO L142 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-03-24 14:50:33,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:33,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:33,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:33,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:33,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:33,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:33,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:50:33,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:50:33,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944722627] [2021-03-24 14:50:33,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:50:33,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:50:33,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:50:33,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:50:33,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:50:33,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 1054 transitions, 43399 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:33,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:50:33,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:50:33,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:34,248 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2021-03-24 14:50:34,396 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2021-03-24 14:50:35,034 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2021-03-24 14:50:35,156 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2021-03-24 14:50:37,414 INFO L129 PetriNetUnfolder]: 2859/5973 cut-off events. [2021-03-24 14:50:37,414 INFO L130 PetriNetUnfolder]: For 507414/507467 co-relation queries the response was YES. [2021-03-24 14:50:37,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83571 conditions, 5973 events. 2859/5973 cut-off events. For 507414/507467 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 52523 event pairs, 459 based on Foata normal form. 14/5985 useless extension candidates. Maximal degree in co-relation 82763. Up to 2316 conditions per place. [2021-03-24 14:50:37,564 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 598 selfloop transitions, 529 changer transitions 5/1138 dead transitions. [2021-03-24 14:50:37,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 1138 transitions, 47706 flow [2021-03-24 14:50:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 14:50:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 14:50:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 291 transitions. [2021-03-24 14:50:37,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6271551724137931 [2021-03-24 14:50:37,565 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 291 transitions. [2021-03-24 14:50:37,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 291 transitions. [2021-03-24 14:50:37,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:50:37,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 291 transitions. [2021-03-24 14:50:37,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 18.1875) internal successors, (291), 16 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:37,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:37,566 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:37,566 INFO L185 Difference]: Start difference. First operand has 726 places, 1054 transitions, 43399 flow. Second operand 16 states and 291 transitions. [2021-03-24 14:50:37,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 1138 transitions, 47706 flow [2021-03-24 14:50:40,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 733 places, 1138 transitions, 46672 flow, removed 15 selfloop flow, removed 6 redundant places. [2021-03-24 14:50:40,313 INFO L241 Difference]: Finished difference. Result has 740 places, 1071 transitions, 44107 flow [2021-03-24 14:50:40,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=42385, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=512, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=44107, PETRI_PLACES=740, PETRI_TRANSITIONS=1071} [2021-03-24 14:50:40,314 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 717 predicate places. [2021-03-24 14:50:40,314 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 1071 transitions, 44107 flow [2021-03-24 14:50:40,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:40,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:50:40,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:50:40,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable441 [2021-03-24 14:50:40,514 INFO L428 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:50:40,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:50:40,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1036995811, now seen corresponding path program 12 times [2021-03-24 14:50:40,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:50:40,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386620078] [2021-03-24 14:50:40,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:50:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:40,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:50:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:50:40,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:50:40,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:40,556 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.9 percent of original size [2021-03-24 14:50:40,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:40,575 INFO L142 QuantifierPusher]: treesize reduction -2, result has 107.7 percent of original size [2021-03-24 14:50:40,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:50:40,593 INFO L142 QuantifierPusher]: treesize reduction -2, result has 111.8 percent of original size [2021-03-24 14:50:40,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:40,606 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:50:40,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:40,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386620078] [2021-03-24 14:50:40,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439592811] [2021-03-24 14:50:40,619 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:40,650 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:50:40,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:50:40,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:50:40,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:50:40,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,653 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:50:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:40,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:40,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:40,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:40,669 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:50:40,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:40,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:40,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,676 INFO L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-03-24 14:50:40,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 14:50:40,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:40,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:40,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:40,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:40,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:40,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:40,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:40,706 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:50:40,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:40,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:50:40,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:40,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:50:40,709 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:50:40,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,711 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:40,711 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:40,711 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,712 INFO L142 QuantifierPusher]: treesize reduction 87, result has 37.4 percent of original size [2021-03-24 14:50:40,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:40,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:50:40,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:50:40,748 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.6 percent of original size [2021-03-24 14:50:40,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:40,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:50:40,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:50:40,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-24 14:50:40,753 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.1 percent of original size [2021-03-24 14:50:40,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,753 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:50:40,754 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:50:40,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,755 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:50:40,755 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:40,755 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,756 INFO L142 QuantifierPusher]: treesize reduction 66, result has 64.7 percent of original size [2021-03-24 14:50:40,756 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:40,756 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,757 INFO L142 QuantifierPusher]: treesize reduction 37, result has 67.8 percent of original size [2021-03-24 14:50:40,757 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:50:40,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,758 INFO L142 QuantifierPusher]: treesize reduction 84, result has 11.6 percent of original size [2021-03-24 14:50:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:50:40,760 INFO L147 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size 45 [2021-03-24 14:50:40,761 INFO L147 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size 45 [2021-03-24 14:50:40,761 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:40,761 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,762 INFO L142 QuantifierPusher]: treesize reduction 37, result has 75.5 percent of original size [2021-03-24 14:50:40,762 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:40,763 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,763 INFO L142 QuantifierPusher]: treesize reduction 23, result has 81.3 percent of original size [2021-03-24 14:50:40,763 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:40,764 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,764 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:50:40,765 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,765 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:50:40,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:40,766 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:40,767 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:40,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:50:40,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:50:40,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:40,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:40,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:50:40,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:50:40,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:50:40,774 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:40,774 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:40,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:50:40,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:50:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:50:40,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:50:40,778 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:40,778 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:40,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:40,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:50:40,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:40,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-03-24 14:50:40,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,792 INFO L142 QuantifierPusher]: treesize reduction 10, result has 90.3 percent of original size [2021-03-24 14:50:40,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:50:40,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-24 14:50:40,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:40,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:50:40,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:40,809 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:50:40,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,813 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:50:40,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:40,817 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:40,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,821 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:40,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:40,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:40,824 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:40,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:40,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:40,828 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:40,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,831 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:40,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:40,836 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:40,894 INFO L628 ElimStorePlain]: treesize reduction 31, result has 68.4 percent of original size [2021-03-24 14:50:40,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:40,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:50:40,895 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:349, output treesize:67 [2021-03-24 14:50:40,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:40,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:40,935 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:50:40,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:50:40,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:40,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:50:40,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:40,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:50:40,939 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:50:40,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,940 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:50:40,940 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:40,941 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,943 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:50:40,943 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:40,944 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,960 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:50:40,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:40,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:40,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:40,990 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:50:40,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:40,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:40,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:40,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:40,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:50:40,995 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:50:40,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,996 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:50:40,996 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:40,997 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,997 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:40,998 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:40,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:40,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:41,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:41,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:41,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:41,002 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:41,002 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:41,004 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:50:41,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:41,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:41,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:41,006 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:50:41,006 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:41,007 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:41,007 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:50:41,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:41,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:41,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:41,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:41,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:41,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:50:41,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:50:41,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588698220] [2021-03-24 14:50:41,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:50:41,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:50:41,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:50:41,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:50:41,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:50:41,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 1071 transitions, 44107 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:41,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:50:41,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:50:41,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:44,437 INFO L129 PetriNetUnfolder]: 2862/5995 cut-off events. [2021-03-24 14:50:44,437 INFO L130 PetriNetUnfolder]: For 554459/554475 co-relation queries the response was YES. [2021-03-24 14:50:44,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87174 conditions, 5995 events. 2862/5995 cut-off events. For 554459/554475 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 52921 event pairs, 503 based on Foata normal form. 8/6002 useless extension candidates. Maximal degree in co-relation 86346. Up to 2601 conditions per place. [2021-03-24 14:50:44,593 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 584 selfloop transitions, 506 changer transitions 6/1102 dead transitions. [2021-03-24 14:50:44,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 1102 transitions, 47138 flow [2021-03-24 14:50:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:50:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:50:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 203 transitions. [2021-03-24 14:50:44,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364 [2021-03-24 14:50:44,594 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 203 transitions. [2021-03-24 14:50:44,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 203 transitions. [2021-03-24 14:50:44,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:50:44,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 203 transitions. [2021-03-24 14:50:44,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.454545454545453) internal successors, (203), 11 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:44,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:44,595 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:44,595 INFO L185 Difference]: Start difference. First operand has 740 places, 1071 transitions, 44107 flow. Second operand 11 states and 203 transitions. [2021-03-24 14:50:44,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 1102 transitions, 47138 flow [2021-03-24 14:50:47,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 741 places, 1102 transitions, 46025 flow, removed 99 selfloop flow, removed 7 redundant places. [2021-03-24 14:50:47,764 INFO L241 Difference]: Finished difference. Result has 745 places, 1074 transitions, 44146 flow [2021-03-24 14:50:47,765 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=43048, PETRI_DIFFERENCE_MINUEND_PLACES=731, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=504, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=44146, PETRI_PLACES=745, PETRI_TRANSITIONS=1074} [2021-03-24 14:50:47,765 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 722 predicate places. [2021-03-24 14:50:47,765 INFO L480 AbstractCegarLoop]: Abstraction has has 745 places, 1074 transitions, 44146 flow [2021-03-24 14:50:47,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:47,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:50:47,765 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:50:47,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable459,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:47,966 INFO L428 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:50:47,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:50:47,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1910736491, now seen corresponding path program 13 times [2021-03-24 14:50:47,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:50:47,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630234133] [2021-03-24 14:50:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:50:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:47,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:47,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:47,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:47,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:50:47,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:47,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:47,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:47,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:50:48,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:50:48,020 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-03-24 14:50:48,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:50:48,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size [2021-03-24 14:50:48,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:48,121 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 14:50:48,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:50:48,159 INFO L142 QuantifierPusher]: treesize reduction 34, result has 43.3 percent of original size [2021-03-24 14:50:48,159 INFO L147 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size 21 [2021-03-24 14:50:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:48,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630234133] [2021-03-24 14:50:48,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480136525] [2021-03-24 14:50:48,183 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:48,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:50:48,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:50:48,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:48,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:48,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:48,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:48,222 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:50:48,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:48,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:48,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:48,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:48,239 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-24 14:50:48,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,247 INFO L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-03-24 14:50:48,248 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-24 14:50:48,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:48,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:48,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:48,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:50:48,280 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-03-24 14:50:48,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:48,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:48,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:48,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:50:48,285 INFO L142 QuantifierPusher]: treesize reduction 42, result has 77.7 percent of original size [2021-03-24 14:50:48,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,285 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:50:48,286 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:50:48,286 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:48,287 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,287 INFO L142 QuantifierPusher]: treesize reduction 155, result has 27.2 percent of original size [2021-03-24 14:50:48,288 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:50:48,289 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.0 percent of original size 61 [2021-03-24 14:50:48,289 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.0 percent of original size [2021-03-24 14:50:48,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:50:48,321 INFO L142 QuantifierPusher]: treesize reduction 9, result has 93.0 percent of original size [2021-03-24 14:50:48,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:48,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:50:48,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:50:48,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-24 14:50:48,327 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.5 percent of original size [2021-03-24 14:50:48,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,329 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:48,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,330 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:50:48,330 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:48,331 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,331 INFO L142 QuantifierPusher]: treesize reduction 64, result has 60.7 percent of original size [2021-03-24 14:50:48,332 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:48,332 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,333 INFO L142 QuantifierPusher]: treesize reduction 80, result has 47.0 percent of original size [2021-03-24 14:50:48,334 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:48,334 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,335 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.8 percent of original size [2021-03-24 14:50:48,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:50:48,336 INFO L147 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size 27 [2021-03-24 14:50:48,337 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size 45 [2021-03-24 14:50:48,337 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size 45 [2021-03-24 14:50:48,337 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:48,338 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,339 INFO L142 QuantifierPusher]: treesize reduction 22, result has 86.3 percent of original size [2021-03-24 14:50:48,339 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:48,339 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,340 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:48,341 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:50:48,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:48,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:48,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:48,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:48,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:48,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 14:50:48,347 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:50:48,347 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,348 INFO L142 QuantifierPusher]: treesize reduction 66, result has 54.5 percent of original size [2021-03-24 14:50:48,348 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:48,349 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:48,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:48,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:50:48,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:50:48,352 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:48,353 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:48,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:48,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:50:48,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:50:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:50:48,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:50:48,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-03-24 14:50:48,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,359 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.4 percent of original size [2021-03-24 14:50:48,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:50:48,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-24 14:50:48,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:48,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:48,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:48,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:50:48,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:48,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:48,372 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:50:48,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:48,377 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:50:48,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:48,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:48,381 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:48,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:48,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:48,386 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:48,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,391 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:50:48,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,395 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:48,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:48,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:48,400 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:50:48,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:48,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:50:48,404 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:48,470 INFO L628 ElimStorePlain]: treesize reduction 54, result has 55.4 percent of original size [2021-03-24 14:50:48,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:48,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:50:48,471 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:349, output treesize:67 [2021-03-24 14:50:48,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:48,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:50:48,510 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:50:48,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:50:48,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:48,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:50:48,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:50:48,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:50:48,514 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:50:48,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,517 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:50:48,517 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:48,518 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,519 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:50:48,519 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:50:48,519 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,520 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:50:48,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:48,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:48,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:50:48,545 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:50:48,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:48,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:48,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:48,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:50:48,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:50:48,560 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:50:48,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,561 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:50:48,561 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:48,561 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,562 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:48,562 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:48,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,565 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:48,566 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,566 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:50:48,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:48,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:48,568 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:50:48,569 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:48,569 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:48,570 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:50:48,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:48,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:48,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:48,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:48,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:48,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:50:48,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:50:48,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129008612] [2021-03-24 14:50:48,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:50:48,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:50:48,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:50:48,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:50:48,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:50:48,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 1074 transitions, 44146 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:48,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:50:48,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:50:48,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:51,884 INFO L129 PetriNetUnfolder]: 2862/5987 cut-off events. [2021-03-24 14:50:51,884 INFO L130 PetriNetUnfolder]: For 547376/547429 co-relation queries the response was YES. [2021-03-24 14:50:51,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86740 conditions, 5987 events. 2862/5987 cut-off events. For 547376/547429 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 52756 event pairs, 505 based on Foata normal form. 14/5999 useless extension candidates. Maximal degree in co-relation 86199. Up to 2597 conditions per place. [2021-03-24 14:50:52,032 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 587 selfloop transitions, 510 changer transitions 4/1107 dead transitions. [2021-03-24 14:50:52,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 753 places, 1107 transitions, 47152 flow [2021-03-24 14:50:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:50:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:50:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 204 transitions. [2021-03-24 14:50:52,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6394984326018809 [2021-03-24 14:50:52,033 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 204 transitions. [2021-03-24 14:50:52,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 204 transitions. [2021-03-24 14:50:52,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:50:52,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 204 transitions. [2021-03-24 14:50:52,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.545454545454547) internal successors, (204), 11 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:52,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:52,033 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:52,033 INFO L185 Difference]: Start difference. First operand has 745 places, 1074 transitions, 44146 flow. Second operand 11 states and 204 transitions. [2021-03-24 14:50:52,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 753 places, 1107 transitions, 47152 flow [2021-03-24 14:50:54,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 747 places, 1107 transitions, 46209 flow, removed 41 selfloop flow, removed 6 redundant places. [2021-03-24 14:50:54,963 INFO L241 Difference]: Finished difference. Result has 751 places, 1080 transitions, 44416 flow [2021-03-24 14:50:54,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=43229, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=505, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=44416, PETRI_PLACES=751, PETRI_TRANSITIONS=1080} [2021-03-24 14:50:54,964 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 728 predicate places. [2021-03-24 14:50:54,964 INFO L480 AbstractCegarLoop]: Abstraction has has 751 places, 1080 transitions, 44416 flow [2021-03-24 14:50:54,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:54,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:50:54,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:50:55,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable477 [2021-03-24 14:50:55,165 INFO L428 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:50:55,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:50:55,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1068661901, now seen corresponding path program 14 times [2021-03-24 14:50:55,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:50:55,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811572974] [2021-03-24 14:50:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:50:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:50:55,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:50:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:55,200 INFO L142 QuantifierPusher]: treesize reduction 17, result has 75.7 percent of original size [2021-03-24 14:50:55,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:50:55,243 INFO L142 QuantifierPusher]: treesize reduction 17, result has 75.7 percent of original size [2021-03-24 14:50:55,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:50:55,288 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size [2021-03-24 14:50:55,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 14:50:55,331 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-03-24 14:50:55,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:50:55,352 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-03-24 14:50:55,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:50:55,371 INFO L142 QuantifierPusher]: treesize reduction 22, result has 43.6 percent of original size [2021-03-24 14:50:55,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:55,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811572974] [2021-03-24 14:50:55,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906918381] [2021-03-24 14:50:55,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:50:55,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:50:55,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:50:55,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:50:55,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:50:55,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,431 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:50:55,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:50:55,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:55,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:50:55,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:55,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:50:55,481 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.3 percent of original size [2021-03-24 14:50:55,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,482 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:55,483 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:55,483 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,484 INFO L142 QuantifierPusher]: treesize reduction 80, result has 55.3 percent of original size [2021-03-24 14:50:55,484 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:55,485 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,485 INFO L142 QuantifierPusher]: treesize reduction 31, result has 69.9 percent of original size [2021-03-24 14:50:55,486 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:50:55,486 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:50:55,487 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.3 percent of original size 65 [2021-03-24 14:50:55,487 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.3 percent of original size [2021-03-24 14:50:55,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-24 14:50:55,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,531 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size 74 [2021-03-24 14:50:55,532 INFO L142 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-03-24 14:50:55,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:50:55,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:50:55,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:50:55,587 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.0 percent of original size [2021-03-24 14:50:55,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:50:55,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 14:50:55,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:55,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:50:55,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:50:55,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,592 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,593 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,594 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,594 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:50:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:50:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:50:55,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:50:55,646 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.9 percent of original size [2021-03-24 14:50:55,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:55,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-24 14:50:55,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:50:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-03-24 14:50:55,652 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.4 percent of original size [2021-03-24 14:50:55,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,655 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:50:55,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,655 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:50:55,656 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:55,656 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,657 INFO L142 QuantifierPusher]: treesize reduction 64, result has 60.7 percent of original size [2021-03-24 14:50:55,657 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:50:55,658 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,658 INFO L142 QuantifierPusher]: treesize reduction 107, result has 23.0 percent of original size [2021-03-24 14:50:55,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:50:55,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:50:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:50:55,662 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,663 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,664 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,664 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,665 INFO L142 QuantifierPusher]: treesize reduction 80, result has 32.8 percent of original size [2021-03-24 14:50:55,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:50:55,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:50:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:50:55,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:50:55,668 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,668 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,669 INFO L142 QuantifierPusher]: treesize reduction 19, result has 79.1 percent of original size [2021-03-24 14:50:55,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:50:55,670 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,671 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,671 INFO L142 QuantifierPusher]: treesize reduction 22, result has 71.8 percent of original size [2021-03-24 14:50:55,672 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,672 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:50:55,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:50:55,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:50:55,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:50:55,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:50:55,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:50:55,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:50:55,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:50:55,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:50:55,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-03-24 14:50:55,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:50:55,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-24 14:50:55,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:50:55,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:55,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:55,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-03-24 14:50:55,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,693 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:55,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:50:55,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:55,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:50:55,697 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:55,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:50:55,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:55,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:55,701 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:55,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:50:55,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:50:55,706 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:55,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:50:55,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:55,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:50:55,710 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:50:55,792 INFO L628 ElimStorePlain]: treesize reduction 26, result has 75.7 percent of original size [2021-03-24 14:50:55,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:50:55,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-03-24 14:50:55,793 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:189, output treesize:81 [2021-03-24 14:50:55,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:50:55,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:50:55,850 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.0 percent of original size [2021-03-24 14:50:55,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:50:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:50:55,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:50:55,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:50:55,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:50:55,857 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-24 14:50:55,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,858 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 1] term [2021-03-24 14:50:55,858 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:50:55,859 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,860 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:50:55,861 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,861 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:55,866 INFO L147 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size 11 [2021-03-24 14:50:55,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:55,868 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,868 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,869 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:50:55,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:55,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:50:55,871 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,871 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:50:55,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:50:55,874 INFO L147 QuantifierPusher]: treesize reduction 35, result has 71.8 percent of original size 89 [2021-03-24 14:50:55,874 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:50:55,875 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,876 INFO L142 QuantifierPusher]: treesize reduction 78, result has 47.3 percent of original size [2021-03-24 14:50:55,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:50:55,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:50:55,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:50:55,907 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 14:50:55,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:50:55,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:50:55,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:50:55,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,909 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:50:55,910 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:50:55,911 INFO L142 QuantifierPusher]: treesize reduction 61, result has 31.5 percent of original size [2021-03-24 14:50:55,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:55,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:55,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:50:55,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:50:55,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:50:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:50:55,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:50:55,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:50:55,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818632651] [2021-03-24 14:50:55,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:50:55,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:50:55,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:50:55,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:50:55,927 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:50:55,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 751 places, 1080 transitions, 44416 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:50:55,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:50:55,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:50:55,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:50:56,318 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2021-03-24 14:50:56,452 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2021-03-24 14:50:56,659 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2021-03-24 14:50:56,905 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-03-24 14:50:57,437 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2021-03-24 14:50:57,912 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2021-03-24 14:50:58,059 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2021-03-24 14:50:58,199 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2021-03-24 14:50:58,932 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 14:51:00,549 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 63 [2021-03-24 14:51:00,802 INFO L129 PetriNetUnfolder]: 2866/6074 cut-off events. [2021-03-24 14:51:00,802 INFO L130 PetriNetUnfolder]: For 540428/540444 co-relation queries the response was YES. [2021-03-24 14:51:00,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87184 conditions, 6074 events. 2866/6074 cut-off events. For 540428/540444 co-relation queries the response was YES. Maximal size of possible extension queue 608. Compared 54519 event pairs, 586 based on Foata normal form. 6/6079 useless extension candidates. Maximal degree in co-relation 86651. Up to 2736 conditions per place. [2021-03-24 14:51:00,950 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 628 selfloop transitions, 546 changer transitions 2/1182 dead transitions. [2021-03-24 14:51:00,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 764 places, 1182 transitions, 50319 flow [2021-03-24 14:51:00,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 14:51:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 14:51:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 280 transitions. [2021-03-24 14:51:00,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6436781609195402 [2021-03-24 14:51:00,951 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 280 transitions. [2021-03-24 14:51:00,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 280 transitions. [2021-03-24 14:51:00,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:51:00,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 280 transitions. [2021-03-24 14:51:00,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 18.666666666666668) internal successors, (280), 15 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:00,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 29.0) internal successors, (464), 16 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:00,952 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 29.0) internal successors, (464), 16 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:00,952 INFO L185 Difference]: Start difference. First operand has 751 places, 1080 transitions, 44416 flow. Second operand 15 states and 280 transitions. [2021-03-24 14:51:00,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 764 places, 1182 transitions, 50319 flow [2021-03-24 14:51:04,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 757 places, 1182 transitions, 49301 flow, removed 58 selfloop flow, removed 7 redundant places. [2021-03-24 14:51:04,081 INFO L241 Difference]: Finished difference. Result has 762 places, 1096 transitions, 45148 flow [2021-03-24 14:51:04,082 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=43438, PETRI_DIFFERENCE_MINUEND_PLACES=743, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1080, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=530, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=45148, PETRI_PLACES=762, PETRI_TRANSITIONS=1096} [2021-03-24 14:51:04,082 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 739 predicate places. [2021-03-24 14:51:04,082 INFO L480 AbstractCegarLoop]: Abstraction has has 762 places, 1096 transitions, 45148 flow [2021-03-24 14:51:04,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:04,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:51:04,082 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:51:04,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable494,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:04,282 INFO L428 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:51:04,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:51:04,283 INFO L82 PathProgramCache]: Analyzing trace with hash 512922139, now seen corresponding path program 15 times [2021-03-24 14:51:04,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:51:04,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680617778] [2021-03-24 14:51:04,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:51:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:51:04,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:51:04,301 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 14:51:04,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:04,312 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:51:04,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:04,333 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:51:04,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:04,357 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size [2021-03-24 14:51:04,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:51:04,385 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.9 percent of original size [2021-03-24 14:51:04,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 14:51:04,410 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-24 14:51:04,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:51:04,428 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:51:04,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:04,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680617778] [2021-03-24 14:51:04,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933433154] [2021-03-24 14:51:04,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:04,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 14:51:04,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:51:04,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:51:04,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:51:04,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:51:04,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:04,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:04,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:04,514 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:51:04,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:51:04,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:04,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:51:04,517 INFO L142 QuantifierPusher]: treesize reduction 42, result has 78.4 percent of original size [2021-03-24 14:51:04,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,518 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:51:04,519 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:51:04,519 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:04,519 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,520 INFO L142 QuantifierPusher]: treesize reduction 61, result has 60.4 percent of original size [2021-03-24 14:51:04,520 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-24 14:51:04,520 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,521 INFO L142 QuantifierPusher]: treesize reduction 81, result has 51.2 percent of original size [2021-03-24 14:51:04,521 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:04,522 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,522 INFO L142 QuantifierPusher]: treesize reduction 34, result has 55.8 percent of original size [2021-03-24 14:51:04,523 INFO L147 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size 23 [2021-03-24 14:51:04,523 INFO L147 QuantifierPusher]: treesize reduction 47, result has 35.6 percent of original size 26 [2021-03-24 14:51:04,524 INFO L147 QuantifierPusher]: treesize reduction 47, result has 48.4 percent of original size 44 [2021-03-24 14:51:04,525 INFO L147 QuantifierPusher]: treesize reduction 47, result has 57.7 percent of original size 64 [2021-03-24 14:51:04,525 INFO L142 QuantifierPusher]: treesize reduction 47, result has 57.7 percent of original size [2021-03-24 14:51:04,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 14:51:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 14:51:04,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 14:51:04,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 14:51:04,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 14:51:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,563 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size 73 [2021-03-24 14:51:04,564 INFO L142 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-03-24 14:51:04,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:51:04,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:51:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:51:04,606 INFO L142 QuantifierPusher]: treesize reduction 11, result has 92.2 percent of original size [2021-03-24 14:51:04,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-03-24 14:51:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-24 14:51:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-03-24 14:51:04,611 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.9 percent of original size [2021-03-24 14:51:04,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,611 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:51:04,612 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:51:04,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,613 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:51:04,613 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:04,613 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,614 INFO L142 QuantifierPusher]: treesize reduction 76, result has 59.4 percent of original size [2021-03-24 14:51:04,614 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:04,614 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,615 INFO L142 QuantifierPusher]: treesize reduction 131, result has 19.6 percent of original size [2021-03-24 14:51:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:51:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:51:04,617 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:51:04,617 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,618 INFO L142 QuantifierPusher]: treesize reduction 47, result has 74.2 percent of original size [2021-03-24 14:51:04,618 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:04,618 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:04,619 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:04,620 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:04,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:51:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:51:04,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:51:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:04,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 14:51:04,623 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:04,624 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:04,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:51:04,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:51:04,626 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:04,627 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:04,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:51:04,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:51:04,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-03-24 14:51:04,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:04,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-24 14:51:04,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-24 14:51:04,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:04,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:04,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:04,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:04,644 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:04,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,649 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:51:04,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,653 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:04,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,658 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:04,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:04,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:04,662 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:04,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,665 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:51:04,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:04,670 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:04,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:04,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:04,675 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:04,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,681 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:04,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:04,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:04,686 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:04,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:04,690 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:04,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:04,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:04,694 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:04,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:04,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:04,699 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:04,893 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-24 14:51:04,893 INFO L628 ElimStorePlain]: treesize reduction 41, result has 84.4 percent of original size [2021-03-24 14:51:04,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:51:04,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-24 14:51:04,895 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 1 variables, input treesize:601, output treesize:222 [2021-03-24 14:51:04,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:51:04,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:04,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:51:05,004 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.6 percent of original size [2021-03-24 14:51:05,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:51:05,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:51:05,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:51:05,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:51:05,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-03-24 14:51:05,013 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.2 percent of original size [2021-03-24 14:51:05,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,015 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 11, 1] term [2021-03-24 14:51:05,015 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:51:05,016 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,016 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:05,017 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,017 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:51:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,020 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:51:05,020 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:05,020 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,022 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-24 14:51:05,023 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:05,023 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,024 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:51:05,024 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 14:51:05,025 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:05,025 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,026 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 14:51:05,028 INFO L147 QuantifierPusher]: treesize reduction 71, result has 75.4 percent of original size 218 [2021-03-24 14:51:05,028 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:51:05,029 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,030 INFO L142 QuantifierPusher]: treesize reduction 194, result has 42.4 percent of original size [2021-03-24 14:51:05,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:51:05,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:51:05,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:51:05,111 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.0 percent of original size [2021-03-24 14:51:05,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:51:05,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-24 14:51:05,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:51:05,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-24 14:51:05,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-24 14:51:05,115 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.0 percent of original size [2021-03-24 14:51:05,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,117 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 1] term [2021-03-24 14:51:05,117 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:51:05,117 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,118 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:05,119 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:05,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:05,122 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:05,122 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,136 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:51:05,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:05,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:05,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:51:05,139 INFO L147 QuantifierPusher]: treesize reduction 42, result has 61.1 percent of original size 66 [2021-03-24 14:51:05,140 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:51:05,140 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,141 INFO L142 QuantifierPusher]: treesize reduction 77, result has 41.7 percent of original size [2021-03-24 14:51:05,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:05,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:05,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:05,170 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 14:51:05,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:51:05,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:51:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:05,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,173 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:05,173 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:05,174 INFO L142 QuantifierPusher]: treesize reduction 61, result has 31.5 percent of original size [2021-03-24 14:51:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:05,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:05,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:05,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:05,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:51:05,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:51:05,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640157719] [2021-03-24 14:51:05,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:51:05,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:51:05,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:51:05,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:51:05,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:51:05,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 762 places, 1096 transitions, 45148 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:05,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:51:05,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:51:05,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:51:05,623 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2021-03-24 14:51:05,978 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2021-03-24 14:51:06,368 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-03-24 14:51:06,663 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-03-24 14:51:06,828 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2021-03-24 14:51:07,376 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2021-03-24 14:51:07,572 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-03-24 14:51:07,713 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 41 [2021-03-24 14:51:07,963 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2021-03-24 14:51:08,801 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2021-03-24 14:51:10,527 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-03-24 14:51:10,738 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2021-03-24 14:51:11,017 INFO L129 PetriNetUnfolder]: 2874/6109 cut-off events. [2021-03-24 14:51:11,017 INFO L130 PetriNetUnfolder]: For 559323/559339 co-relation queries the response was YES. [2021-03-24 14:51:11,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89466 conditions, 6109 events. 2874/6109 cut-off events. For 559323/559339 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 54889 event pairs, 625 based on Foata normal form. 6/6113 useless extension candidates. Maximal degree in co-relation 89055. Up to 2741 conditions per place. [2021-03-24 14:51:11,407 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 581 selfloop transitions, 584 changer transitions 2/1173 dead transitions. [2021-03-24 14:51:11,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 1173 transitions, 49954 flow [2021-03-24 14:51:11,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 14:51:11,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 14:51:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 348 transitions. [2021-03-24 14:51:11,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.631578947368421 [2021-03-24 14:51:11,408 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 348 transitions. [2021-03-24 14:51:11,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 348 transitions. [2021-03-24 14:51:11,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:51:11,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 348 transitions. [2021-03-24 14:51:11,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 18.31578947368421) internal successors, (348), 19 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:11,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:11,409 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:11,409 INFO L185 Difference]: Start difference. First operand has 762 places, 1096 transitions, 45148 flow. Second operand 19 states and 348 transitions. [2021-03-24 14:51:11,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 778 places, 1173 transitions, 49954 flow [2021-03-24 14:51:14,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 770 places, 1173 transitions, 48680 flow, removed 102 selfloop flow, removed 8 redundant places. [2021-03-24 14:51:14,037 INFO L241 Difference]: Finished difference. Result has 778 places, 1124 transitions, 45965 flow [2021-03-24 14:51:14,038 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=43889, PETRI_DIFFERENCE_MINUEND_PLACES=752, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1095, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=556, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=45965, PETRI_PLACES=778, PETRI_TRANSITIONS=1124} [2021-03-24 14:51:14,038 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 755 predicate places. [2021-03-24 14:51:14,038 INFO L480 AbstractCegarLoop]: Abstraction has has 778 places, 1124 transitions, 45965 flow [2021-03-24 14:51:14,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:14,038 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:51:14,038 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:51:14,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable512 [2021-03-24 14:51:14,239 INFO L428 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:51:14,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:51:14,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1029114255, now seen corresponding path program 16 times [2021-03-24 14:51:14,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:51:14,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461360901] [2021-03-24 14:51:14,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:51:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:51:14,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:51:14,263 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size [2021-03-24 14:51:14,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:51:14,286 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size [2021-03-24 14:51:14,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 14:51:14,308 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.5 percent of original size [2021-03-24 14:51:14,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:51:14,337 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.9 percent of original size [2021-03-24 14:51:14,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:51:14,365 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.9 percent of original size [2021-03-24 14:51:14,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 14:51:14,382 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-24 14:51:14,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:51:14,396 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:51:14,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:14,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461360901] [2021-03-24 14:51:14,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289670053] [2021-03-24 14:51:14,407 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:14,440 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:51:14,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:51:14,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:51:14,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:51:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,446 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:51:14,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,496 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:51:14,497 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:51:14,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:14,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:14,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:14,519 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size [2021-03-24 14:51:14,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:51:14,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:14,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:51:14,524 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.1 percent of original size [2021-03-24 14:51:14,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,525 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:51:14,525 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:14,526 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,526 INFO L142 QuantifierPusher]: treesize reduction 70, result has 60.9 percent of original size [2021-03-24 14:51:14,526 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:14,527 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,527 INFO L142 QuantifierPusher]: treesize reduction 67, result has 55.6 percent of original size [2021-03-24 14:51:14,528 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,528 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,528 INFO L142 QuantifierPusher]: treesize reduction 31, result has 56.3 percent of original size [2021-03-24 14:51:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:51:14,529 INFO L147 QuantifierPusher]: treesize reduction 13, result has 74.5 percent of original size 38 [2021-03-24 14:51:14,530 INFO L147 QuantifierPusher]: treesize reduction 23, result has 70.9 percent of original size 56 [2021-03-24 14:51:14,531 INFO L147 QuantifierPusher]: treesize reduction 23, result has 78.7 percent of original size 85 [2021-03-24 14:51:14,531 INFO L142 QuantifierPusher]: treesize reduction 23, result has 78.7 percent of original size [2021-03-24 14:51:14,532 INFO L147 QuantifierPusher]: treesize reduction 11, result has 87.1 percent of original size 74 [2021-03-24 14:51:14,600 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.0 percent of original size [2021-03-24 14:51:14,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:51:14,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 14:51:14,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:14,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:51:14,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:14,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,608 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,609 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,610 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,610 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:51:14,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:51:14,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:51:14,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:51:14,654 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.9 percent of original size [2021-03-24 14:51:14,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:14,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-24 14:51:14,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:51:14,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-03-24 14:51:14,659 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.5 percent of original size [2021-03-24 14:51:14,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,660 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:51:14,661 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:51:14,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,661 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:51:14,661 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:14,662 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,662 INFO L142 QuantifierPusher]: treesize reduction 53, result has 67.1 percent of original size [2021-03-24 14:51:14,663 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:14,663 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,664 INFO L142 QuantifierPusher]: treesize reduction 66, result has 55.7 percent of original size [2021-03-24 14:51:14,664 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,665 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,665 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.7 percent of original size [2021-03-24 14:51:14,666 INFO L147 QuantifierPusher]: treesize reduction 26, result has 45.8 percent of original size 22 [2021-03-24 14:51:14,666 INFO L147 QuantifierPusher]: treesize reduction 33, result has 53.5 percent of original size 38 [2021-03-24 14:51:14,667 INFO L147 QuantifierPusher]: treesize reduction 43, result has 56.6 percent of original size 56 [2021-03-24 14:51:14,667 INFO L147 QuantifierPusher]: treesize reduction 43, result has 56.6 percent of original size 56 [2021-03-24 14:51:14,668 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,668 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,669 INFO L142 QuantifierPusher]: treesize reduction 93, result has 55.9 percent of original size [2021-03-24 14:51:14,669 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,669 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,670 INFO L142 QuantifierPusher]: treesize reduction 22, result has 83.5 percent of original size [2021-03-24 14:51:14,670 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,670 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,671 INFO L142 QuantifierPusher]: treesize reduction 22, result has 71.8 percent of original size [2021-03-24 14:51:14,671 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,672 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:51:14,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:51:14,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:51:14,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:51:14,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:51:14,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:51:14,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:51:14,678 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,678 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,679 INFO L142 QuantifierPusher]: treesize reduction 46, result has 44.6 percent of original size [2021-03-24 14:51:14,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:51:14,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:51:14,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:51:14,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:51:14,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-24 14:51:14,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,683 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.3 percent of original size [2021-03-24 14:51:14,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:51:14,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:14,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-24 14:51:14,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,686 INFO L142 QuantifierPusher]: treesize reduction 43, result has 72.3 percent of original size [2021-03-24 14:51:14,687 INFO L147 QuantifierPusher]: treesize reduction 11, result has 90.2 percent of original size 101 [2021-03-24 14:51:14,687 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.1 percent of original size 113 [2021-03-24 14:51:14,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:51:14,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:14,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:14,694 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:14,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:14,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:14,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:14,697 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:14,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-03-24 14:51:14,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,701 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:14,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:14,705 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:14,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:51:14,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:14,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:14,708 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:14,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:51:14,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:14,713 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:14,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:51:14,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:14,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:14,716 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:14,781 INFO L628 ElimStorePlain]: treesize reduction 26, result has 75.7 percent of original size [2021-03-24 14:51:14,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:51:14,782 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-03-24 14:51:14,782 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:218, output treesize:81 [2021-03-24 14:51:14,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:51:14,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:51:14,828 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.0 percent of original size [2021-03-24 14:51:14,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:51:14,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:51:14,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:51:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:51:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:51:14,833 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-24 14:51:14,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,834 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 1] term [2021-03-24 14:51:14,834 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:51:14,834 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,835 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,835 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:14,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:14,838 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,838 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,838 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:51:14,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:14,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:14,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,841 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:51:14,841 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,842 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:14,843 INFO L147 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size 11 [2021-03-24 14:51:14,844 INFO L147 QuantifierPusher]: treesize reduction 35, result has 71.8 percent of original size 89 [2021-03-24 14:51:14,844 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:51:14,845 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,845 INFO L142 QuantifierPusher]: treesize reduction 78, result has 47.3 percent of original size [2021-03-24 14:51:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:14,874 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 14:51:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:51:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:51:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:14,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,876 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:14,876 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:14,877 INFO L142 QuantifierPusher]: treesize reduction 61, result has 31.5 percent of original size [2021-03-24 14:51:14,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:14,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:14,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:14,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:14,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:14,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:51:14,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:51:14,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532961107] [2021-03-24 14:51:14,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:51:14,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:51:14,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:51:14,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:51:14,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:51:14,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 778 places, 1124 transitions, 45965 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:14,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:51:14,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:51:14,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:51:15,583 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-24 14:51:19,679 INFO L129 PetriNetUnfolder]: 2962/6217 cut-off events. [2021-03-24 14:51:19,679 INFO L130 PetriNetUnfolder]: For 633019/633072 co-relation queries the response was YES. [2021-03-24 14:51:19,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96691 conditions, 6217 events. 2962/6217 cut-off events. For 633019/633072 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 55395 event pairs, 703 based on Foata normal form. 8/6222 useless extension candidates. Maximal degree in co-relation 96151. Up to 3510 conditions per place. [2021-03-24 14:51:19,834 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 634 selfloop transitions, 563 changer transitions 3/1206 dead transitions. [2021-03-24 14:51:19,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 1206 transitions, 51185 flow [2021-03-24 14:51:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 14:51:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 14:51:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 300 transitions. [2021-03-24 14:51:19,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.646551724137931 [2021-03-24 14:51:19,835 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 300 transitions. [2021-03-24 14:51:19,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 300 transitions. [2021-03-24 14:51:19,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:51:19,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 300 transitions. [2021-03-24 14:51:19,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 18.75) internal successors, (300), 16 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:19,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:19,836 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:19,836 INFO L185 Difference]: Start difference. First operand has 778 places, 1124 transitions, 45965 flow. Second operand 16 states and 300 transitions. [2021-03-24 14:51:19,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 1206 transitions, 51185 flow [2021-03-24 14:51:23,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 1206 transitions, 49629 flow, removed 238 selfloop flow, removed 5 redundant places. [2021-03-24 14:51:23,093 INFO L241 Difference]: Finished difference. Result has 794 places, 1190 transitions, 47884 flow [2021-03-24 14:51:23,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=44463, PETRI_DIFFERENCE_MINUEND_PLACES=772, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=513, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=603, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=47884, PETRI_PLACES=794, PETRI_TRANSITIONS=1190} [2021-03-24 14:51:23,094 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 771 predicate places. [2021-03-24 14:51:23,094 INFO L480 AbstractCegarLoop]: Abstraction has has 794 places, 1190 transitions, 47884 flow [2021-03-24 14:51:23,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:23,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:51:23,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:51:23,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable534,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:23,295 INFO L428 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:51:23,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:51:23,295 INFO L82 PathProgramCache]: Analyzing trace with hash -836682545, now seen corresponding path program 17 times [2021-03-24 14:51:23,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:51:23,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810380844] [2021-03-24 14:51:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:51:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:51:23,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:51:23,316 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 14:51:23,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 14:51:23,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 14:51:23,358 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.3 percent of original size [2021-03-24 14:51:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:23,375 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-24 14:51:23,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:51:23,396 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-24 14:51:23,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:23,411 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-03-24 14:51:23,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:51:23,426 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-03-24 14:51:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:23,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810380844] [2021-03-24 14:51:23,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360123781] [2021-03-24 14:51:23,438 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:23,468 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 14:51:23,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:51:23,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 14:51:23,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:51:23,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,481 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:51:23,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:23,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:23,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:23,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:23,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,524 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:51:23,524 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:51:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:23,547 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.0 percent of original size [2021-03-24 14:51:23,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:51:23,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:51:23,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:51:23,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 14:51:23,551 INFO L142 QuantifierPusher]: treesize reduction 42, result has 76.7 percent of original size [2021-03-24 14:51:23,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,551 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:51:23,552 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:51:23,552 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:23,552 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,553 INFO L142 QuantifierPusher]: treesize reduction 41, result has 63.4 percent of original size [2021-03-24 14:51:23,553 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:23,554 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,554 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.7 percent of original size [2021-03-24 14:51:23,555 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:51:23,555 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.3 percent of original size 44 [2021-03-24 14:51:23,556 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.0 percent of original size 71 [2021-03-24 14:51:23,556 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.0 percent of original size [2021-03-24 14:51:23,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 14:51:23,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 93.0 percent of original size [2021-03-24 14:51:23,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:51:23,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:51:23,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-24 14:51:23,618 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.1 percent of original size [2021-03-24 14:51:23,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,619 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:51:23,620 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:51:23,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,620 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:51:23,620 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:23,621 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,621 INFO L142 QuantifierPusher]: treesize reduction 76, result has 59.4 percent of original size [2021-03-24 14:51:23,622 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:23,622 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,623 INFO L142 QuantifierPusher]: treesize reduction 131, result has 19.6 percent of original size [2021-03-24 14:51:23,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:51:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:51:23,625 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:51:23,626 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,627 INFO L142 QuantifierPusher]: treesize reduction 47, result has 72.7 percent of original size [2021-03-24 14:51:23,627 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:23,627 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,628 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:23,628 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:51:23,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:23,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:51:23,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:51:23,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:23,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:23,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 14:51:23,634 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:23,634 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:23,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:51:23,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:51:23,638 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:23,638 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:51:23,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:51:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:51:23,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:51:23,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-24 14:51:23,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:51:23,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-24 14:51:23,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:51:23,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,652 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:23,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:23,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:23,656 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:51:23,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:23,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:23,660 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:51:23,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,665 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:23,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:23,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:23,675 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:23,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:23,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:23,680 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:23,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:23,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:23,684 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:23,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:23,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:23,690 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:23,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:23,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:23,694 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:51:23,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:23,698 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:23,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:23,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:23,703 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:23,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:23,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:23,707 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:51:23,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:23,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:23,712 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:23,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:23,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:23,716 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:23,853 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-03-24 14:51:23,853 INFO L628 ElimStorePlain]: treesize reduction 68, result has 72.9 percent of original size [2021-03-24 14:51:23,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-03-24 14:51:23,855 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-03-24 14:51:23,855 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 1 variables, input treesize:559, output treesize:183 [2021-03-24 14:51:23,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-03-24 14:51:23,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-03-24 14:51:23,937 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.5 percent of original size [2021-03-24 14:51:23,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-03-24 14:51:23,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-03-24 14:51:23,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-03-24 14:51:23,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-03-24 14:51:23,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-03-24 14:51:23,943 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size [2021-03-24 14:51:23,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,945 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 7, 9, 1] term [2021-03-24 14:51:23,945 INFO L725 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2021-03-24 14:51:23,945 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,946 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:23,946 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,948 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 14:51:23,948 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:23,949 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,949 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:51:23,950 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 14:51:23,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,951 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:51:23,951 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:23,952 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,952 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:51:23,954 INFO L147 QuantifierPusher]: treesize reduction 14, result has 94.1 percent of original size 225 [2021-03-24 14:51:23,954 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:23,954 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:23,956 INFO L142 QuantifierPusher]: treesize reduction 368, result has 24.4 percent of original size [2021-03-24 14:51:23,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:51:23,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:51:23,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:23,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:51:24,013 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-03-24 14:51:24,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:51:24,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:51:24,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:51:24,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:51:24,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:51:24,017 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.5 percent of original size [2021-03-24 14:51:24,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,018 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 5, 1] term [2021-03-24 14:51:24,018 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:51:24,018 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,019 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:51:24,020 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:24,020 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:24,021 INFO L147 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size 11 [2021-03-24 14:51:24,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:24,022 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:24,023 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:24,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:24,024 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:24,025 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,025 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:51:24,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:24,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:24,027 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.6 percent of original size 84 [2021-03-24 14:51:24,027 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:51:24,027 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,028 INFO L142 QuantifierPusher]: treesize reduction 15, result has 85.7 percent of original size [2021-03-24 14:51:24,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:51:24,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:51:24,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:51:24,052 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-24 14:51:24,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:24,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:24,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:51:24,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,055 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:51:24,055 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:24,056 INFO L142 QuantifierPusher]: treesize reduction 23, result has 55.8 percent of original size [2021-03-24 14:51:24,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:24,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:24,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:24,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:24,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:24,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:51:24,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:51:24,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015368649] [2021-03-24 14:51:24,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:51:24,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:51:24,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:51:24,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:51:24,070 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:51:24,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 1190 transitions, 47884 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:24,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:51:24,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:51:24,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:51:24,796 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2021-03-24 14:51:25,299 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2021-03-24 14:51:26,003 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2021-03-24 14:51:28,527 INFO L129 PetriNetUnfolder]: 3029/6376 cut-off events. [2021-03-24 14:51:28,527 INFO L130 PetriNetUnfolder]: For 680842/680858 co-relation queries the response was YES. [2021-03-24 14:51:28,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101739 conditions, 6376 events. 3029/6376 cut-off events. For 680842/680858 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 57426 event pairs, 684 based on Foata normal form. 4/6378 useless extension candidates. Maximal degree in co-relation 101022. Up to 3589 conditions per place. [2021-03-24 14:51:28,696 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 667 selfloop transitions, 572 changer transitions 1/1246 dead transitions. [2021-03-24 14:51:28,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 805 places, 1246 transitions, 52377 flow [2021-03-24 14:51:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 14:51:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 14:51:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 246 transitions. [2021-03-24 14:51:28,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6525198938992043 [2021-03-24 14:51:28,697 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 246 transitions. [2021-03-24 14:51:28,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 246 transitions. [2021-03-24 14:51:28,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:51:28,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 246 transitions. [2021-03-24 14:51:28,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.923076923076923) internal successors, (246), 13 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:28,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:28,698 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:28,698 INFO L185 Difference]: Start difference. First operand has 794 places, 1190 transitions, 47884 flow. Second operand 13 states and 246 transitions. [2021-03-24 14:51:28,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 805 places, 1246 transitions, 52377 flow [2021-03-24 14:51:32,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 1246 transitions, 51452 flow, removed 443 selfloop flow, removed 4 redundant places. [2021-03-24 14:51:32,839 INFO L241 Difference]: Finished difference. Result has 805 places, 1232 transitions, 49669 flow [2021-03-24 14:51:32,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=47022, PETRI_DIFFERENCE_MINUEND_PLACES=789, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=49669, PETRI_PLACES=805, PETRI_TRANSITIONS=1232} [2021-03-24 14:51:32,840 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 782 predicate places. [2021-03-24 14:51:32,840 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 1232 transitions, 49669 flow [2021-03-24 14:51:32,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:32,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:51:32,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:51:33,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable554 [2021-03-24 14:51:33,044 INFO L428 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:51:33,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:51:33,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1033477883, now seen corresponding path program 18 times [2021-03-24 14:51:33,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:51:33,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217829543] [2021-03-24 14:51:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:51:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:51:33,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:33,054 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:51:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:51:33,059 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-24 14:51:33,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:51:33,075 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.2 percent of original size [2021-03-24 14:51:33,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:51:33,097 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.1 percent of original size [2021-03-24 14:51:33,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:51:33,115 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.5 percent of original size [2021-03-24 14:51:33,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:51:33,128 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size [2021-03-24 14:51:33,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:51:33,145 INFO L142 QuantifierPusher]: treesize reduction -2, result has 110.5 percent of original size [2021-03-24 14:51:33,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:51:33,159 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:51:33,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:33,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217829543] [2021-03-24 14:51:33,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603242396] [2021-03-24 14:51:33,173 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:33,204 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:51:33,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:51:33,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:51:33,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:51:33,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:33,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:33,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:33,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:33,208 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:51:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:33,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:33,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:33,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:33,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:51:33,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:33,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:51:33,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:51:33,250 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.3 percent of original size [2021-03-24 14:51:33,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,252 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:51:33,252 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:33,252 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,253 INFO L142 QuantifierPusher]: treesize reduction 131, result has 28.4 percent of original size [2021-03-24 14:51:33,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:33,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:51:33,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:51:33,297 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.5 percent of original size [2021-03-24 14:51:33,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:51:33,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:33,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:51:33,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:51:33,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:51:33,329 INFO L142 QuantifierPusher]: treesize reduction 18, result has 75.0 percent of original size [2021-03-24 14:51:33,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,330 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size [2021-03-24 14:51:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:51:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:51:33,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:33,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 14:51:33,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:33,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:33,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:33,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:33,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:33,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:33,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,353 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size 37 [2021-03-24 14:51:33,353 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size [2021-03-24 14:51:33,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:51:33,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:51:33,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:51:33,378 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:51:33,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:33,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:51:33,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:51:33,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:51:33,382 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.9 percent of original size [2021-03-24 14:51:33,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,383 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:51:33,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,384 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:51:33,384 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:33,384 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,385 INFO L142 QuantifierPusher]: treesize reduction 48, result has 70.6 percent of original size [2021-03-24 14:51:33,385 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:33,385 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,386 INFO L142 QuantifierPusher]: treesize reduction 31, result has 69.9 percent of original size [2021-03-24 14:51:33,386 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:51:33,387 INFO L147 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size 45 [2021-03-24 14:51:33,387 INFO L147 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size 45 [2021-03-24 14:51:33,388 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:33,388 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,388 INFO L142 QuantifierPusher]: treesize reduction 126, result has 23.6 percent of original size [2021-03-24 14:51:33,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:51:33,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:51:33,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:33,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,390 INFO L142 QuantifierPusher]: treesize reduction 23, result has 76.0 percent of original size [2021-03-24 14:51:33,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:51:33,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:51:33,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:51:33,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:33,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:33,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:33,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:51:33,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:33,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:33,398 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:33,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:33,412 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:51:33,412 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:51:33,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:33,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:33,437 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:51:33,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:33,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:51:33,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:33,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:51:33,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:51:33,441 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:51:33,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,442 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:51:33,442 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:33,443 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,443 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:33,443 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:33,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:33,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:33,446 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:33,446 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,446 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:51:33,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:33,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:33,448 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:51:33,448 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:33,449 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:33,449 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:51:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:33,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:33,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:33,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:33,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:51:33,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:51:33,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74338331] [2021-03-24 14:51:33,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:51:33,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:51:33,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:51:33,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:51:33,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:51:33,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 1232 transitions, 49669 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:33,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:51:33,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:51:33,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:51:33,857 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-03-24 14:51:34,118 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-03-24 14:51:37,940 INFO L129 PetriNetUnfolder]: 3028/6499 cut-off events. [2021-03-24 14:51:37,941 INFO L130 PetriNetUnfolder]: For 675118/675134 co-relation queries the response was YES. [2021-03-24 14:51:38,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101155 conditions, 6499 events. 3028/6499 cut-off events. For 675118/675134 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 59872 event pairs, 584 based on Foata normal form. 5/6502 useless extension candidates. Maximal degree in co-relation 100768. Up to 2837 conditions per place. [2021-03-24 14:51:38,112 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 750 selfloop transitions, 610 changer transitions 3/1369 dead transitions. [2021-03-24 14:51:38,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 815 places, 1369 transitions, 56158 flow [2021-03-24 14:51:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:51:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:51:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 210 transitions. [2021-03-24 14:51:38,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.658307210031348 [2021-03-24 14:51:38,113 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 210 transitions. [2021-03-24 14:51:38,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 210 transitions. [2021-03-24 14:51:38,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:51:38,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 210 transitions. [2021-03-24 14:51:38,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 19.09090909090909) internal successors, (210), 11 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:38,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:38,113 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:38,113 INFO L185 Difference]: Start difference. First operand has 805 places, 1232 transitions, 49669 flow. Second operand 11 states and 210 transitions. [2021-03-24 14:51:38,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 815 places, 1369 transitions, 56158 flow [2021-03-24 14:51:42,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 813 places, 1369 transitions, 55844 flow, removed 117 selfloop flow, removed 2 redundant places. [2021-03-24 14:51:42,576 INFO L241 Difference]: Finished difference. Result has 817 places, 1261 transitions, 51784 flow [2021-03-24 14:51:42,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=49417, PETRI_DIFFERENCE_MINUEND_PLACES=803, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=590, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=641, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=51784, PETRI_PLACES=817, PETRI_TRANSITIONS=1261} [2021-03-24 14:51:42,576 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 794 predicate places. [2021-03-24 14:51:42,576 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 1261 transitions, 51784 flow [2021-03-24 14:51:42,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:42,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:51:42,577 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:51:42,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable575,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:42,777 INFO L428 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:51:42,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:51:42,778 INFO L82 PathProgramCache]: Analyzing trace with hash 358117291, now seen corresponding path program 19 times [2021-03-24 14:51:42,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:51:42,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666339935] [2021-03-24 14:51:42,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:51:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:51:42,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:42,789 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:51:42,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:51:42,794 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:51:42,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:51:42,812 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:51:42,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:51:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:51:42,868 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:51:42,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:51:42,883 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.6 percent of original size [2021-03-24 14:51:42,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:42,896 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:51:42,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:42,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666339935] [2021-03-24 14:51:42,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871129096] [2021-03-24 14:51:42,909 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:51:42,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:51:42,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:51:42,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:42,943 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:51:42,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:42,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:42,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,982 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:51:42,982 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:51:42,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:42,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:42,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:42,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:43,004 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-24 14:51:43,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:43,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:51:43,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:51:43,021 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:51:43,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:43,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:51:43,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:43,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:51:43,025 INFO L142 QuantifierPusher]: treesize reduction 42, result has 77.9 percent of original size [2021-03-24 14:51:43,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,026 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:51:43,027 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:51:43,027 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:43,027 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,028 INFO L142 QuantifierPusher]: treesize reduction 155, result has 27.2 percent of original size [2021-03-24 14:51:43,029 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:51:43,029 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size 63 [2021-03-24 14:51:43,030 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size [2021-03-24 14:51:43,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:51:43,063 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.8 percent of original size [2021-03-24 14:51:43,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,064 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size [2021-03-24 14:51:43,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:51:43,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:51:43,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:43,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:51:43,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:51:43,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:51:43,091 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:51:43,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:43,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:51:43,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:51:43,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:51:43,095 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.9 percent of original size [2021-03-24 14:51:43,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,097 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:51:43,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,097 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:51:43,098 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:43,098 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,099 INFO L142 QuantifierPusher]: treesize reduction 54, result has 66.9 percent of original size [2021-03-24 14:51:43,099 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:43,099 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,100 INFO L142 QuantifierPusher]: treesize reduction 32, result has 68.9 percent of original size [2021-03-24 14:51:43,100 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:51:43,101 INFO L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-03-24 14:51:43,101 INFO L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-03-24 14:51:43,101 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:43,102 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,102 INFO L142 QuantifierPusher]: treesize reduction 114, result has 25.5 percent of original size [2021-03-24 14:51:43,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:51:43,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:51:43,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:43,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,104 INFO L142 QuantifierPusher]: treesize reduction 17, result has 81.1 percent of original size [2021-03-24 14:51:43,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:51:43,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:51:43,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:51:43,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:43,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:51:43,109 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:43,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:51:43,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:43,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:43,112 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:43,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:43,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:51:43,126 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:51:43,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:43,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:43,152 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:51:43,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:43,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:51:43,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:43,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:51:43,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:51:43,156 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:51:43,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,157 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:51:43,157 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:43,157 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,158 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:43,158 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:43,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:43,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:43,160 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:43,161 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,161 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:51:43,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:43,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:43,163 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:51:43,163 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:43,163 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:43,165 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:51:43,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:43,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:43,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:43,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:43,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:43,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:51:43,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:51:43,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623747025] [2021-03-24 14:51:43,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:51:43,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:51:43,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:51:43,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:51:43,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:51:43,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 1261 transitions, 51784 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:43,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:51:43,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:51:43,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:51:47,863 INFO L129 PetriNetUnfolder]: 3062/6550 cut-off events. [2021-03-24 14:51:47,864 INFO L130 PetriNetUnfolder]: For 665698/665751 co-relation queries the response was YES. [2021-03-24 14:51:48,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101263 conditions, 6550 events. 3062/6550 cut-off events. For 665698/665751 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 60109 event pairs, 685 based on Foata normal form. 8/6555 useless extension candidates. Maximal degree in co-relation 100870. Up to 3668 conditions per place. [2021-03-24 14:51:48,124 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 706 selfloop transitions, 564 changer transitions 3/1279 dead transitions. [2021-03-24 14:51:48,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 1279 transitions, 54749 flow [2021-03-24 14:51:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 14:51:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 14:51:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 221 transitions. [2021-03-24 14:51:48,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6350574712643678 [2021-03-24 14:51:48,125 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 221 transitions. [2021-03-24 14:51:48,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 221 transitions. [2021-03-24 14:51:48,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:51:48,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 221 transitions. [2021-03-24 14:51:48,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.416666666666668) internal successors, (221), 12 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:48,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 29.0) internal successors, (377), 13 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:48,125 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 29.0) internal successors, (377), 13 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:48,126 INFO L185 Difference]: Start difference. First operand has 817 places, 1261 transitions, 51784 flow. Second operand 12 states and 221 transitions. [2021-03-24 14:51:48,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 826 places, 1279 transitions, 54749 flow [2021-03-24 14:51:51,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 1279 transitions, 54069 flow, removed 44 selfloop flow, removed 5 redundant places. [2021-03-24 14:51:51,623 INFO L241 Difference]: Finished difference. Result has 824 places, 1268 transitions, 52456 flow [2021-03-24 14:51:51,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=51106, PETRI_DIFFERENCE_MINUEND_PLACES=810, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=556, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=52456, PETRI_PLACES=824, PETRI_TRANSITIONS=1268} [2021-03-24 14:51:51,623 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 801 predicate places. [2021-03-24 14:51:51,624 INFO L480 AbstractCegarLoop]: Abstraction has has 824 places, 1268 transitions, 52456 flow [2021-03-24 14:51:51,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:51,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:51:51,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:51:51,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable584 [2021-03-24 14:51:51,824 INFO L428 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:51:51,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:51:51,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1358442477, now seen corresponding path program 20 times [2021-03-24 14:51:51,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:51:51,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515804795] [2021-03-24 14:51:51,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:51:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:51:51,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:51,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:51,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:51,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:51:51,845 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:51:51,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:51:51,865 INFO L142 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size [2021-03-24 14:51:51,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:51,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:51,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 14:51:51,909 INFO L142 QuantifierPusher]: treesize reduction -2, result has 103.4 percent of original size [2021-03-24 14:51:51,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:51:51,942 INFO L142 QuantifierPusher]: treesize reduction -4, result has 111.4 percent of original size [2021-03-24 14:51:51,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:51:51,995 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size [2021-03-24 14:51:51,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:51:52,051 INFO L142 QuantifierPusher]: treesize reduction 21, result has 56.3 percent of original size [2021-03-24 14:51:52,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:51:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:52,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515804795] [2021-03-24 14:51:52,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025850150] [2021-03-24 14:51:52,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:51:52,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:51:52,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:51:52,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:51:52,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:51:52,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,139 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:51:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,187 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:51:52,188 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:51:52,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:52,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:52,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:52,215 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-24 14:51:52,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:52,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:51:52,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:51:52,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:51:52,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:52,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:51:52,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:52,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:51:52,242 INFO L142 QuantifierPusher]: treesize reduction 42, result has 77.9 percent of original size [2021-03-24 14:51:52,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,243 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:51:52,244 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:51:52,244 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,245 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,246 INFO L142 QuantifierPusher]: treesize reduction 75, result has 51.6 percent of original size [2021-03-24 14:51:52,246 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,247 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,248 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.0 percent of original size [2021-03-24 14:51:52,248 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,249 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,249 INFO L142 QuantifierPusher]: treesize reduction 39, result has 36.1 percent of original size [2021-03-24 14:51:52,250 INFO L147 QuantifierPusher]: treesize reduction 12, result has 29.4 percent of original size 5 [2021-03-24 14:51:52,250 INFO L147 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size 23 [2021-03-24 14:51:52,251 INFO L147 QuantifierPusher]: treesize reduction 12, result has 81.5 percent of original size 53 [2021-03-24 14:51:52,251 INFO L147 QuantifierPusher]: treesize reduction 12, result has 85.2 percent of original size 69 [2021-03-24 14:51:52,252 INFO L142 QuantifierPusher]: treesize reduction 12, result has 85.2 percent of original size [2021-03-24 14:51:52,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:51:52,298 INFO L142 QuantifierPusher]: treesize reduction 11, result has 92.0 percent of original size [2021-03-24 14:51:52,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:52,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-03-24 14:51:52,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-24 14:51:52,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-24 14:51:52,306 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.6 percent of original size [2021-03-24 14:51:52,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,307 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:51:52,308 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:51:52,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,308 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:51:52,309 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,309 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,310 INFO L142 QuantifierPusher]: treesize reduction 66, result has 64.7 percent of original size [2021-03-24 14:51:52,311 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,311 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,312 INFO L142 QuantifierPusher]: treesize reduction 92, result has 47.4 percent of original size [2021-03-24 14:51:52,313 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,313 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,314 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.7 percent of original size [2021-03-24 14:51:52,315 INFO L147 QuantifierPusher]: treesize reduction 26, result has 45.8 percent of original size 22 [2021-03-24 14:51:52,316 INFO L147 QuantifierPusher]: treesize reduction 33, result has 53.5 percent of original size 38 [2021-03-24 14:51:52,316 INFO L147 QuantifierPusher]: treesize reduction 43, result has 56.6 percent of original size 56 [2021-03-24 14:51:52,317 INFO L147 QuantifierPusher]: treesize reduction 43, result has 56.6 percent of original size 56 [2021-03-24 14:51:52,318 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,318 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,319 INFO L142 QuantifierPusher]: treesize reduction 69, result has 66.7 percent of original size [2021-03-24 14:51:52,319 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:51:52,320 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,321 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:51:52,321 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,321 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:52,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:52,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:51:52,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:51:52,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:52,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:52,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:51:52,328 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,328 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,329 INFO L142 QuantifierPusher]: treesize reduction 22, result has 84.9 percent of original size [2021-03-24 14:51:52,330 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,330 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,331 INFO L142 QuantifierPusher]: treesize reduction 7, result has 92.0 percent of original size [2021-03-24 14:51:52,331 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,331 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:52,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:51:52,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:51:52,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,335 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:51:52,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:51:52,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:51:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:51:52,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,340 INFO L142 QuantifierPusher]: treesize reduction 7, result has 88.1 percent of original size [2021-03-24 14:51:52,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:51:52,343 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,344 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:51:52,346 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:51:52,346 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,347 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-24 14:51:52,347 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,348 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:51:52,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:52,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:51:52,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:51:52,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:52,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:51:52,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:51:52,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 14:51:52,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:51:52,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-24 14:51:52,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,358 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.0 percent of original size [2021-03-24 14:51:52,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:51:52,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-24 14:51:52,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,360 INFO L142 QuantifierPusher]: treesize reduction 43, result has 71.9 percent of original size [2021-03-24 14:51:52,360 INFO L147 QuantifierPusher]: treesize reduction 11, result has 90.0 percent of original size 99 [2021-03-24 14:51:52,361 INFO L147 QuantifierPusher]: treesize reduction 11, result has 91.2 percent of original size 114 [2021-03-24 14:51:52,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:52,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:52,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:52,390 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:52,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:52,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:52,395 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:51:52,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:52,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:51:52,402 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:51:52,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,407 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,411 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:51:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,414 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:52,418 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,422 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:51:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,426 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:51:52,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:52,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:51:52,430 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:51:52,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:51:52,433 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:51:52,492 INFO L628 ElimStorePlain]: treesize reduction 4, result has 94.4 percent of original size [2021-03-24 14:51:52,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:51:52,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:51:52,494 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:422, output treesize:67 [2021-03-24 14:51:52,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:51:52,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:51:52,538 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:51:52,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:51:52,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:51:52,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:51:52,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:51:52,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:51:52,544 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:51:52,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,545 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:51:52,545 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:51:52,546 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,568 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:51:52,569 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:51:52,569 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,570 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:51:52,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:52,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:52,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:51:52,597 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:51:52,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:52,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:51:52,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:51:52,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:51:52,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:51:52,600 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:51:52,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,601 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:51:52,601 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,602 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,602 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,602 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,603 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:51:52,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:51:52,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,605 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,605 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:51:52,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:51:52,607 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:51:52,607 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:51:52,607 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:51:52,608 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:51:52,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:52,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:52,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:51:52,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:51:52,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:51:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:51:52,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:51:52,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:51:52,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093597535] [2021-03-24 14:51:52,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:51:52,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:51:52,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:51:52,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:51:52,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:51:52,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 824 places, 1268 transitions, 52456 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:52,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:51:52,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:51:52,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:51:57,379 INFO L129 PetriNetUnfolder]: 3063/6550 cut-off events. [2021-03-24 14:51:57,379 INFO L130 PetriNetUnfolder]: For 675198/675250 co-relation queries the response was YES. [2021-03-24 14:51:57,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101723 conditions, 6550 events. 3063/6550 cut-off events. For 675198/675250 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 60172 event pairs, 708 based on Foata normal form. 10/6557 useless extension candidates. Maximal degree in co-relation 101330. Up to 3666 conditions per place. [2021-03-24 14:51:57,576 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 735 selfloop transitions, 541 changer transitions 4/1286 dead transitions. [2021-03-24 14:51:57,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 834 places, 1286 transitions, 55433 flow [2021-03-24 14:51:57,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 14:51:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 14:51:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 240 transitions. [2021-03-24 14:51:57,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.636604774535809 [2021-03-24 14:51:57,577 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 240 transitions. [2021-03-24 14:51:57,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 240 transitions. [2021-03-24 14:51:57,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:51:57,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 240 transitions. [2021-03-24 14:51:57,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.46153846153846) internal successors, (240), 13 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:57,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:57,578 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:51:57,578 INFO L185 Difference]: Start difference. First operand has 824 places, 1268 transitions, 52456 flow. Second operand 13 states and 240 transitions. [2021-03-24 14:51:57,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 834 places, 1286 transitions, 55433 flow [2021-03-24 14:52:01,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 828 places, 1286 transitions, 54731 flow, removed 27 selfloop flow, removed 6 redundant places. [2021-03-24 14:52:01,180 INFO L241 Difference]: Finished difference. Result has 832 places, 1275 transitions, 53083 flow [2021-03-24 14:52:01,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=51758, PETRI_DIFFERENCE_MINUEND_PLACES=816, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=728, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=53083, PETRI_PLACES=832, PETRI_TRANSITIONS=1275} [2021-03-24 14:52:01,180 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 809 predicate places. [2021-03-24 14:52:01,180 INFO L480 AbstractCegarLoop]: Abstraction has has 832 places, 1275 transitions, 53083 flow [2021-03-24 14:52:01,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:01,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:52:01,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:52:01,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable593 [2021-03-24 14:52:01,381 INFO L428 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:52:01,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:52:01,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1779425875, now seen corresponding path program 21 times [2021-03-24 14:52:01,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:52:01,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451697464] [2021-03-24 14:52:01,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:52:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:52:01,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:01,396 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:52:01,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:52:01,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-24 14:52:01,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:52:01,420 INFO L142 QuantifierPusher]: treesize reduction -4, result has 107.0 percent of original size [2021-03-24 14:52:01,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:52:01,464 INFO L142 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size [2021-03-24 14:52:01,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:52:01,502 INFO L142 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size [2021-03-24 14:52:01,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:52:01,541 INFO L142 QuantifierPusher]: treesize reduction 13, result has 76.8 percent of original size [2021-03-24 14:52:01,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:52:01,569 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-03-24 14:52:01,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 14:52:01,591 INFO L142 QuantifierPusher]: treesize reduction 26, result has 44.7 percent of original size [2021-03-24 14:52:01,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:52:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:01,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451697464] [2021-03-24 14:52:01,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761638530] [2021-03-24 14:52:01,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:52:01,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:52:01,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:52:01,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:52:01,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:52:01,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:01,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:01,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:01,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:01,650 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:52:01,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:01,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:01,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:01,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:01,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:01,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:01,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:01,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:01,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:52:01,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:01,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:52:01,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:01,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:52:01,692 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.3 percent of original size [2021-03-24 14:52:01,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,693 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:52:01,693 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:01,693 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,694 INFO L142 QuantifierPusher]: treesize reduction 39, result has 71.9 percent of original size [2021-03-24 14:52:01,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:01,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:01,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:01,731 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.5 percent of original size [2021-03-24 14:52:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:52:01,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:01,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:52:01,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:01,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:01,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:01,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:01,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:01,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:01,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,766 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size 63 [2021-03-24 14:52:01,766 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size [2021-03-24 14:52:01,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:52:01,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:52:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:52:01,801 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.8 percent of original size [2021-03-24 14:52:01,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,802 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size [2021-03-24 14:52:01,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:52:01,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:52:01,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:01,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:52:01,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:52:01,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:52:01,828 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:52:01,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:52:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:52:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:52:01,832 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.9 percent of original size [2021-03-24 14:52:01,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,834 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:52:01,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,834 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:52:01,834 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:01,835 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,835 INFO L142 QuantifierPusher]: treesize reduction 115, result has 31.1 percent of original size [2021-03-24 14:52:01,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:01,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:01,837 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:01,837 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,838 INFO L142 QuantifierPusher]: treesize reduction 84, result has 31.7 percent of original size [2021-03-24 14:52:01,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:52:01,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:52:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:52:01,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:52:01,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:52:01,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:52:01,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:01,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:01,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:01,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:52:01,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:01,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:01,850 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:01,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:01,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:52:01,863 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:52:01,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:01,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:01,889 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:52:01,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:01,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:01,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:01,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:01,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:52:01,893 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:52:01,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,894 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:52:01,894 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:01,894 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,895 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:01,895 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:01,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:01,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:01,899 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:01,899 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,900 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:52:01,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:01,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:01,902 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:52:01,902 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:01,902 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:01,903 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:52:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:01,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:01,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:01,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:52:01,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:52:01,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515496072] [2021-03-24 14:52:01,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:52:01,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:52:01,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:52:01,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:52:01,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:52:01,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 832 places, 1275 transitions, 53083 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:01,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:52:01,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:52:01,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:52:02,426 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-03-24 14:52:02,934 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 38 [2021-03-24 14:52:07,279 INFO L129 PetriNetUnfolder]: 3061/6579 cut-off events. [2021-03-24 14:52:07,279 INFO L130 PetriNetUnfolder]: For 717698/717750 co-relation queries the response was YES. [2021-03-24 14:52:07,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103995 conditions, 6579 events. 3061/6579 cut-off events. For 717698/717750 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 60750 event pairs, 598 based on Foata normal form. 8/6584 useless extension candidates. Maximal degree in co-relation 103607. Up to 2845 conditions per place. [2021-03-24 14:52:07,448 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 738 selfloop transitions, 616 changer transitions 3/1363 dead transitions. [2021-03-24 14:52:07,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 842 places, 1363 transitions, 58010 flow [2021-03-24 14:52:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 14:52:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 14:52:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 224 transitions. [2021-03-24 14:52:07,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6436781609195402 [2021-03-24 14:52:07,449 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 224 transitions. [2021-03-24 14:52:07,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 224 transitions. [2021-03-24 14:52:07,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:52:07,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 224 transitions. [2021-03-24 14:52:07,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.666666666666668) internal successors, (224), 12 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:07,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 29.0) internal successors, (377), 13 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:07,450 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 29.0) internal successors, (377), 13 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:07,450 INFO L185 Difference]: Start difference. First operand has 832 places, 1275 transitions, 53083 flow. Second operand 12 states and 224 transitions. [2021-03-24 14:52:07,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 842 places, 1363 transitions, 58010 flow [2021-03-24 14:52:11,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 835 places, 1363 transitions, 56772 flow, removed 86 selfloop flow, removed 7 redundant places. [2021-03-24 14:52:11,190 INFO L241 Difference]: Finished difference. Result has 836 places, 1274 transitions, 53022 flow [2021-03-24 14:52:11,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=51859, PETRI_DIFFERENCE_MINUEND_PLACES=824, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=616, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=53022, PETRI_PLACES=836, PETRI_TRANSITIONS=1274} [2021-03-24 14:52:11,191 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 813 predicate places. [2021-03-24 14:52:11,191 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 1274 transitions, 53022 flow [2021-03-24 14:52:11,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:11,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:52:11,191 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:52:11,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable616,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:52:11,392 INFO L428 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:52:11,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:52:11,392 INFO L82 PathProgramCache]: Analyzing trace with hash 479474759, now seen corresponding path program 22 times [2021-03-24 14:52:11,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:52:11,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191684218] [2021-03-24 14:52:11,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:52:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:52:11,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:52:11,411 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size [2021-03-24 14:52:11,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:52:11,432 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size [2021-03-24 14:52:11,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 14:52:11,457 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size [2021-03-24 14:52:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:11,473 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size [2021-03-24 14:52:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:52:11,507 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.9 percent of original size [2021-03-24 14:52:11,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:52:11,532 INFO L142 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size [2021-03-24 14:52:11,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:52:11,552 INFO L142 QuantifierPusher]: treesize reduction 30, result has 41.2 percent of original size [2021-03-24 14:52:11,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:52:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:11,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191684218] [2021-03-24 14:52:11,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010316494] [2021-03-24 14:52:11,576 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:52:11,609 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:52:11,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:52:11,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:52:11,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:52:11,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:52:11,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:11,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:11,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:11,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:11,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,652 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:52:11,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:52:11,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:11,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:11,675 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size [2021-03-24 14:52:11,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:11,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:52:11,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:11,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:52:11,679 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.3 percent of original size [2021-03-24 14:52:11,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,680 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:52:11,680 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:52:11,680 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:11,681 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,681 INFO L142 QuantifierPusher]: treesize reduction 161, result has 24.4 percent of original size [2021-03-24 14:52:11,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:11,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:52:11,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:52:11,732 INFO L142 QuantifierPusher]: treesize reduction 11, result has 92.4 percent of original size [2021-03-24 14:52:11,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:11,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-24 14:52:11,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:52:11,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-24 14:52:11,737 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.3 percent of original size [2021-03-24 14:52:11,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,738 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:52:11,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,738 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:52:11,739 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:11,739 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,740 INFO L142 QuantifierPusher]: treesize reduction 55, result has 58.0 percent of original size [2021-03-24 14:52:11,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:11,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:11,740 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:11,741 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,741 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:11,742 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,742 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:52:11,743 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,743 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:52:11,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:11,744 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:11,744 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:11,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:52:11,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:11,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:11,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:52:11,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:52:11,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:52:11,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:52:11,750 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:52:11,750 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,751 INFO L142 QuantifierPusher]: treesize reduction 69, result has 53.7 percent of original size [2021-03-24 14:52:11,751 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:11,754 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:11,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:11,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:52:11,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:52:11,757 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:11,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:11,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:11,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:52:11,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:52:11,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:52:11,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:52:11,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-03-24 14:52:11,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:11,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:52:11,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-03-24 14:52:11,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,794 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:52:11,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:11,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:11,800 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,806 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:52:11,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,811 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:52:11,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,816 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:52:11,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,821 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,828 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:52:11,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,834 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:52:11,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:11,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:11,840 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,846 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:52:11,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,852 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:52:11,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,857 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:52:11,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:11,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:11,862 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,866 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,870 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:52:11,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:11,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:11,875 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:52:11,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,878 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,883 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:11,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:11,887 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:52:11,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,891 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:52:11,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:11,895 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:52:11,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:11,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:11,899 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:11,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:52:11,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:11,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:11,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:11,903 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:12,107 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2021-03-24 14:52:12,107 INFO L628 ElimStorePlain]: treesize reduction 101, result has 68.7 percent of original size [2021-03-24 14:52:12,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:52:12,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-24 14:52:12,109 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 1 variables, input treesize:1075, output treesize:222 [2021-03-24 14:52:12,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:52:12,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:52:12,216 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.6 percent of original size [2021-03-24 14:52:12,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:52:12,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:52:12,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:52:12,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:52:12,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-03-24 14:52:12,224 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.2 percent of original size [2021-03-24 14:52:12,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,226 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 11, 1] term [2021-03-24 14:52:12,226 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:52:12,226 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,228 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:52:12,228 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:12,228 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,229 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:52:12,230 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:12,230 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,240 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 14:52:12,241 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:12,241 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,241 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:52:12,242 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 14:52:12,244 INFO L147 QuantifierPusher]: treesize reduction 66, result has 76.8 percent of original size 219 [2021-03-24 14:52:12,244 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:52:12,245 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,247 INFO L142 QuantifierPusher]: treesize reduction 185, result has 44.4 percent of original size [2021-03-24 14:52:12,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:52:12,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:52:12,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:52:12,328 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.0 percent of original size [2021-03-24 14:52:12,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:52:12,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:52:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:52:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:52:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:52:12,333 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-24 14:52:12,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,334 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 1] term [2021-03-24 14:52:12,334 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:52:12,335 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:12,335 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:12,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:12,338 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:12,338 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,338 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:52:12,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:12,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:12,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,341 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:52:12,341 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:12,341 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:12,343 INFO L147 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size 11 [2021-03-24 14:52:12,343 INFO L147 QuantifierPusher]: treesize reduction 35, result has 71.8 percent of original size 89 [2021-03-24 14:52:12,344 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:52:12,344 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,345 INFO L142 QuantifierPusher]: treesize reduction 78, result has 47.3 percent of original size [2021-03-24 14:52:12,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:52:12,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:52:12,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:52:12,373 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 14:52:12,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:52:12,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:52:12,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:12,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,375 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:12,376 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:12,376 INFO L142 QuantifierPusher]: treesize reduction 61, result has 31.5 percent of original size [2021-03-24 14:52:12,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:12,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:12,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:12,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:12,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:12,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:52:12,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:52:12,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992354164] [2021-03-24 14:52:12,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:52:12,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:52:12,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:52:12,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:52:12,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:52:12,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 1274 transitions, 53022 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:12,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:52:12,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:52:12,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:52:13,031 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-03-24 14:52:13,451 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2021-03-24 14:52:13,682 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-03-24 14:52:14,304 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2021-03-24 14:52:14,440 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-03-24 14:52:14,647 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2021-03-24 14:52:18,242 INFO L129 PetriNetUnfolder]: 3100/6642 cut-off events. [2021-03-24 14:52:18,242 INFO L130 PetriNetUnfolder]: For 717869/717885 co-relation queries the response was YES. [2021-03-24 14:52:18,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104875 conditions, 6642 events. 3100/6642 cut-off events. For 717869/717885 co-relation queries the response was YES. Maximal size of possible extension queue 694. Compared 61370 event pairs, 707 based on Foata normal form. 12/6652 useless extension candidates. Maximal degree in co-relation 104493. Up to 3653 conditions per place. [2021-03-24 14:52:18,441 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 711 selfloop transitions, 593 changer transitions 15/1325 dead transitions. [2021-03-24 14:52:18,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 852 places, 1325 transitions, 57139 flow [2021-03-24 14:52:18,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 14:52:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 14:52:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 351 transitions. [2021-03-24 14:52:18,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6370235934664247 [2021-03-24 14:52:18,442 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 351 transitions. [2021-03-24 14:52:18,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 351 transitions. [2021-03-24 14:52:18,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:52:18,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 351 transitions. [2021-03-24 14:52:18,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 18.473684210526315) internal successors, (351), 19 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:18,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:18,444 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:18,444 INFO L185 Difference]: Start difference. First operand has 836 places, 1274 transitions, 53022 flow. Second operand 19 states and 351 transitions. [2021-03-24 14:52:18,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 852 places, 1325 transitions, 57139 flow [2021-03-24 14:52:22,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 846 places, 1325 transitions, 56087 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-24 14:52:22,322 INFO L241 Difference]: Finished difference. Result has 854 places, 1303 transitions, 54087 flow [2021-03-24 14:52:22,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=51984, PETRI_DIFFERENCE_MINUEND_PLACES=828, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=569, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=54087, PETRI_PLACES=854, PETRI_TRANSITIONS=1303} [2021-03-24 14:52:22,322 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 831 predicate places. [2021-03-24 14:52:22,322 INFO L480 AbstractCegarLoop]: Abstraction has has 854 places, 1303 transitions, 54087 flow [2021-03-24 14:52:22,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:22,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:52:22,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:52:22,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable624,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:52:22,523 INFO L428 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:52:22,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:52:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash 854392913, now seen corresponding path program 23 times [2021-03-24 14:52:22,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:52:22,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572943533] [2021-03-24 14:52:22,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:52:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:52:22,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:22,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:52:22,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-24 14:52:22,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:52:22,560 INFO L142 QuantifierPusher]: treesize reduction 10, result has 87.7 percent of original size [2021-03-24 14:52:22,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 14:52:22,609 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.5 percent of original size [2021-03-24 14:52:22,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 14:52:22,667 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.5 percent of original size [2021-03-24 14:52:22,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 14:52:22,715 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.6 percent of original size [2021-03-24 14:52:22,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:52:22,753 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:52:22,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:52:22,787 INFO L142 QuantifierPusher]: treesize reduction 35, result has 43.5 percent of original size [2021-03-24 14:52:22,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:52:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:22,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572943533] [2021-03-24 14:52:22,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124840287] [2021-03-24 14:52:22,814 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:52:22,848 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 14:52:22,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:52:22,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:52:22,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:52:22,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:22,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:22,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:22,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:22,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:52:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:22,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:22,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:22,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:22,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:22,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:22,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:22,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:22,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:22,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:22,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:22,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:22,913 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:52:22,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:22,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:22,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:52:22,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:22,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:22,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:52:22,917 INFO L142 QuantifierPusher]: treesize reduction 42, result has 78.4 percent of original size [2021-03-24 14:52:22,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:22,918 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:52:22,918 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:52:22,919 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:22,919 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:22,920 INFO L142 QuantifierPusher]: treesize reduction 163, result has 24.2 percent of original size [2021-03-24 14:52:22,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:22,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:22,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:22,958 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.5 percent of original size [2021-03-24 14:52:22,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:52:22,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:22,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:22,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:52:22,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:22,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:22,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:22,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:22,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:22,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:22,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,995 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size 63 [2021-03-24 14:52:22,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size [2021-03-24 14:52:22,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:52:22,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:52:22,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:52:23,032 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.6 percent of original size [2021-03-24 14:52:23,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:23,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:52:23,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:52:23,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-24 14:52:23,037 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.1 percent of original size [2021-03-24 14:52:23,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,038 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:52:23,038 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:52:23,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,039 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:52:23,039 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:23,040 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,040 INFO L142 QuantifierPusher]: treesize reduction 31, result has 78.3 percent of original size [2021-03-24 14:52:23,041 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:52:23,041 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,041 INFO L142 QuantifierPusher]: treesize reduction 32, result has 73.1 percent of original size [2021-03-24 14:52:23,042 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:52:23,042 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,042 INFO L142 QuantifierPusher]: treesize reduction 45, result has 57.9 percent of original size [2021-03-24 14:52:23,043 INFO L147 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size 24 [2021-03-24 14:52:23,044 INFO L147 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size 42 [2021-03-24 14:52:23,044 INFO L147 QuantifierPusher]: treesize reduction 43, result has 58.3 percent of original size 60 [2021-03-24 14:52:23,045 INFO L147 QuantifierPusher]: treesize reduction 43, result has 58.3 percent of original size 60 [2021-03-24 14:52:23,045 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:52:23,045 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,046 INFO L142 QuantifierPusher]: treesize reduction 93, result has 62.3 percent of original size [2021-03-24 14:52:23,046 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:23,046 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:52:23,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:52:23,049 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:23,050 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:23,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:52:23,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:52:23,052 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:23,053 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,053 INFO L142 QuantifierPusher]: treesize reduction 23, result has 80.8 percent of original size [2021-03-24 14:52:23,054 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:23,054 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:52:23,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:52:23,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:23,057 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:23,057 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,058 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:52:23,058 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,059 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:52:23,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:23,059 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:23,060 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:23,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:52:23,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:23,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:23,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:52:23,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:52:23,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:52:23,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:52:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-24 14:52:23,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 14:52:23,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-03-24 14:52:23,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,068 INFO L142 QuantifierPusher]: treesize reduction 43, result has 71.5 percent of original size [2021-03-24 14:52:23,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-24 14:52:23,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-03-24 14:52:23,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:23,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:23,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:23,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:52:23,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:23,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:23,080 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:52:23,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:23,084 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:52:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,088 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:52:23,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:23,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:23,091 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:23,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:23,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:23,095 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:52:23,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,099 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:52:23,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,103 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:23,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:23,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:23,106 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:52:23,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:23,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:23,110 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:52:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:23,113 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:23,167 INFO L628 ElimStorePlain]: treesize reduction 4, result has 94.4 percent of original size [2021-03-24 14:52:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:23,168 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:52:23,169 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:426, output treesize:67 [2021-03-24 14:52:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:23,210 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:52:23,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:52:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:52:23,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:52:23,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:52:23,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:52:23,214 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:52:23,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,215 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:52:23,215 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:52:23,216 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,217 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:52:23,217 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:52:23,217 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,218 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:52:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:23,245 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:52:23,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:23,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:23,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:52:23,249 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:52:23,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,250 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:52:23,250 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:23,251 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,251 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:23,252 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:23,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,255 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:23,256 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,256 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:52:23,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:23,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:23,258 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:52:23,259 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:23,259 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:23,260 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:52:23,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:23,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:23,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:23,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:23,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:23,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:52:23,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:52:23,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318253558] [2021-03-24 14:52:23,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:52:23,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:52:23,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:52:23,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:52:23,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:52:23,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 854 places, 1303 transitions, 54087 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:23,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:52:23,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:52:23,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:52:24,183 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-03-24 14:52:28,305 INFO L129 PetriNetUnfolder]: 3090/6610 cut-off events. [2021-03-24 14:52:28,305 INFO L130 PetriNetUnfolder]: For 759762/759778 co-relation queries the response was YES. [2021-03-24 14:52:28,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107833 conditions, 6610 events. 3090/6610 cut-off events. For 759762/759778 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 60803 event pairs, 620 based on Foata normal form. 11/6619 useless extension candidates. Maximal degree in co-relation 107455. Up to 2895 conditions per place. [2021-03-24 14:52:28,622 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 752 selfloop transitions, 603 changer transitions 7/1368 dead transitions. [2021-03-24 14:52:28,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 861 places, 1368 transitions, 58405 flow [2021-03-24 14:52:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:52:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:52:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 213 transitions. [2021-03-24 14:52:28,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6677115987460815 [2021-03-24 14:52:28,623 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 213 transitions. [2021-03-24 14:52:28,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 213 transitions. [2021-03-24 14:52:28,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:52:28,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 213 transitions. [2021-03-24 14:52:28,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 19.363636363636363) internal successors, (213), 11 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:28,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:28,624 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:28,624 INFO L185 Difference]: Start difference. First operand has 854 places, 1303 transitions, 54087 flow. Second operand 11 states and 213 transitions. [2021-03-24 14:52:28,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 861 places, 1368 transitions, 58405 flow [2021-03-24 14:52:32,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 855 places, 1368 transitions, 57491 flow, removed 339 selfloop flow, removed 6 redundant places. [2021-03-24 14:52:32,996 INFO L241 Difference]: Finished difference. Result has 859 places, 1307 transitions, 54548 flow [2021-03-24 14:52:32,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=53253, PETRI_DIFFERENCE_MINUEND_PLACES=845, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=599, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=54548, PETRI_PLACES=859, PETRI_TRANSITIONS=1307} [2021-03-24 14:52:32,996 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 836 predicate places. [2021-03-24 14:52:32,996 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 1307 transitions, 54548 flow [2021-03-24 14:52:32,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:32,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:52:32,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:52:33,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable645 [2021-03-24 14:52:33,197 INFO L428 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:52:33,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:52:33,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1750810035, now seen corresponding path program 24 times [2021-03-24 14:52:33,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:52:33,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319300934] [2021-03-24 14:52:33,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:52:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:52:33,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:52:33,226 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 14:52:33,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:33,237 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:52:33,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:33,261 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.0 percent of original size [2021-03-24 14:52:33,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:52:33,282 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.0 percent of original size [2021-03-24 14:52:33,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:52:33,304 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-03-24 14:52:33,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:52:33,322 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-24 14:52:33,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:33,340 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:52:33,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:33,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319300934] [2021-03-24 14:52:33,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204334257] [2021-03-24 14:52:33,356 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:52:33,402 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:52:33,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:52:33,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:52:33,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:52:33,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,407 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:52:33,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:33,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:33,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:33,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:33,449 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:52:33,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:33,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:52:33,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:33,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:52:33,454 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.3 percent of original size [2021-03-24 14:52:33,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,456 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:52:33,456 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:33,457 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,457 INFO L142 QuantifierPusher]: treesize reduction 39, result has 71.9 percent of original size [2021-03-24 14:52:33,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:33,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:33,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:33,521 INFO L142 QuantifierPusher]: treesize reduction 18, result has 78.8 percent of original size [2021-03-24 14:52:33,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,522 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size [2021-03-24 14:52:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:52:33,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:52:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:33,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:52:33,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:52:33,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,526 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,527 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,527 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,528 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:52:33,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:52:33,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:33,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:33,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:33,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:33,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:33,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:33,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,573 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size 68 [2021-03-24 14:52:33,574 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-03-24 14:52:33,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:52:33,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:52:33,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:52:33,616 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-03-24 14:52:33,617 INFO L147 QuantifierPusher]: treesize reduction 28, result has 59.4 percent of original size 41 [2021-03-24 14:52:33,617 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.0 percent of original size [2021-03-24 14:52:33,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:33,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:52:33,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:52:33,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:52:33,642 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:52:33,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:33,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:52:33,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:52:33,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:52:33,646 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.9 percent of original size [2021-03-24 14:52:33,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,648 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:52:33,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,648 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:52:33,648 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:33,649 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,649 INFO L142 QuantifierPusher]: treesize reduction 64, result has 60.7 percent of original size [2021-03-24 14:52:33,649 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:33,650 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,650 INFO L142 QuantifierPusher]: treesize reduction 80, result has 47.0 percent of original size [2021-03-24 14:52:33,651 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,651 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,652 INFO L142 QuantifierPusher]: treesize reduction 62, result has 30.3 percent of original size [2021-03-24 14:52:33,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:52:33,653 INFO L147 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size 27 [2021-03-24 14:52:33,653 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size 45 [2021-03-24 14:52:33,654 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size 45 [2021-03-24 14:52:33,654 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,654 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,655 INFO L142 QuantifierPusher]: treesize reduction 92, result has 34.8 percent of original size [2021-03-24 14:52:33,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:52:33,656 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,656 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:52:33,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:52:33,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:52:33,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,658 INFO L142 QuantifierPusher]: treesize reduction 10, result has 47.4 percent of original size [2021-03-24 14:52:33,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:52:33,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:52:33,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,659 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-03-24 14:52:33,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:52:33,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:52:33,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:52:33,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:33,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:33,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:33,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:52:33,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:33,667 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:33,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:33,681 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:52:33,681 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:52:33,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:33,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:33,707 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:52:33,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:33,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:33,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:33,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:52:33,710 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:52:33,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,711 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:52:33,711 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,712 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,712 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,713 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:33,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:33,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:33,715 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,715 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,716 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:52:33,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:33,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:33,717 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:52:33,717 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:33,718 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:33,732 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:52:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:33,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:33,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:33,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:33,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:52:33,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:52:33,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803269918] [2021-03-24 14:52:33,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:52:33,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:52:33,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:52:33,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:52:33,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:52:33,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 1307 transitions, 54548 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:33,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:52:33,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:52:33,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:52:34,005 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-03-24 14:52:34,215 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2021-03-24 14:52:34,470 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2021-03-24 14:52:34,919 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2021-03-24 14:52:35,533 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2021-03-24 14:52:38,993 INFO L129 PetriNetUnfolder]: 3089/6595 cut-off events. [2021-03-24 14:52:38,993 INFO L130 PetriNetUnfolder]: For 757421/757474 co-relation queries the response was YES. [2021-03-24 14:52:39,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107280 conditions, 6595 events. 3089/6595 cut-off events. For 757421/757474 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 60585 event pairs, 599 based on Foata normal form. 8/6600 useless extension candidates. Maximal degree in co-relation 106897. Up to 2895 conditions per place. [2021-03-24 14:52:39,165 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 746 selfloop transitions, 594 changer transitions 3/1349 dead transitions. [2021-03-24 14:52:39,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 1349 transitions, 58662 flow [2021-03-24 14:52:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:52:39,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:52:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 173 transitions. [2021-03-24 14:52:39,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6628352490421456 [2021-03-24 14:52:39,166 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 173 transitions. [2021-03-24 14:52:39,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 173 transitions. [2021-03-24 14:52:39,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:52:39,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 173 transitions. [2021-03-24 14:52:39,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:39,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:39,166 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:39,166 INFO L185 Difference]: Start difference. First operand has 859 places, 1307 transitions, 54548 flow. Second operand 9 states and 173 transitions. [2021-03-24 14:52:39,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 1349 transitions, 58662 flow [2021-03-24 14:52:43,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 858 places, 1349 transitions, 57478 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-03-24 14:52:43,443 INFO L241 Difference]: Finished difference. Result has 860 places, 1306 transitions, 54511 flow [2021-03-24 14:52:43,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=53369, PETRI_DIFFERENCE_MINUEND_PLACES=850, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=594, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=713, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=54511, PETRI_PLACES=860, PETRI_TRANSITIONS=1306} [2021-03-24 14:52:43,444 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 837 predicate places. [2021-03-24 14:52:43,444 INFO L480 AbstractCegarLoop]: Abstraction has has 860 places, 1306 transitions, 54511 flow [2021-03-24 14:52:43,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:43,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:52:43,445 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:52:43,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable664 [2021-03-24 14:52:43,645 INFO L428 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:52:43,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:52:43,645 INFO L82 PathProgramCache]: Analyzing trace with hash -724452997, now seen corresponding path program 25 times [2021-03-24 14:52:43,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:52:43,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246191341] [2021-03-24 14:52:43,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:52:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:52:43,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:43,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:52:43,661 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 14:52:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:43,672 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:52:43,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:43,696 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:52:43,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:43,725 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.1 percent of original size [2021-03-24 14:52:43,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:52:43,750 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-03-24 14:52:43,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:52:43,767 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-24 14:52:43,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:43,786 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:52:43,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:43,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246191341] [2021-03-24 14:52:43,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082384158] [2021-03-24 14:52:43,802 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:52:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:52:43,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:52:43,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:52:43,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:43,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:43,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:43,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:43,848 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:52:43,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:43,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:43,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:43,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:43,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:43,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:52:43,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:43,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:43,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:52:43,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:43,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:43,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:52:43,896 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.3 percent of original size [2021-03-24 14:52:43,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:43,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,898 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:52:43,898 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:43,899 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:43,899 INFO L142 QuantifierPusher]: treesize reduction 87, result has 37.4 percent of original size [2021-03-24 14:52:43,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:43,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:43,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:43,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:43,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:43,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:43,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:43,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,951 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size 76 [2021-03-24 14:52:43,952 INFO L142 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-03-24 14:52:43,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:52:43,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:52:43,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:52:43,996 INFO L142 QuantifierPusher]: treesize reduction 15, result has 81.7 percent of original size [2021-03-24 14:52:43,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:43,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:43,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:43,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:52:43,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:43,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:52:44,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:52:44,034 INFO L142 QuantifierPusher]: treesize reduction 25, result has 69.1 percent of original size [2021-03-24 14:52:44,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:52:44,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:52:44,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:44,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:52:44,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:52:44,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:52:44,061 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:52:44,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:52:44,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:52:44,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:52:44,066 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.9 percent of original size [2021-03-24 14:52:44,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,066 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:52:44,067 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:52:44,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,068 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:52:44,068 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:44,069 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,069 INFO L142 QuantifierPusher]: treesize reduction 53, result has 67.1 percent of original size [2021-03-24 14:52:44,070 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:44,070 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,071 INFO L142 QuantifierPusher]: treesize reduction 18, result has 82.4 percent of original size [2021-03-24 14:52:44,071 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:44,072 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,072 INFO L142 QuantifierPusher]: treesize reduction 37, result has 38.3 percent of original size [2021-03-24 14:52:44,073 INFO L147 QuantifierPusher]: treesize reduction 13, result has 27.8 percent of original size 5 [2021-03-24 14:52:44,073 INFO L147 QuantifierPusher]: treesize reduction 32, result has 51.5 percent of original size 34 [2021-03-24 14:52:44,074 INFO L147 QuantifierPusher]: treesize reduction 42, result has 55.3 percent of original size 52 [2021-03-24 14:52:44,074 INFO L147 QuantifierPusher]: treesize reduction 42, result has 55.3 percent of original size 52 [2021-03-24 14:52:44,075 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:44,075 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,076 INFO L142 QuantifierPusher]: treesize reduction 178, result has 18.0 percent of original size [2021-03-24 14:52:44,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:52:44,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:52:44,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:52:44,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,078 INFO L142 QuantifierPusher]: treesize reduction 42, result has 65.6 percent of original size [2021-03-24 14:52:44,079 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-03-24 14:52:44,079 INFO L147 QuantifierPusher]: treesize reduction 7, result has 92.1 percent of original size 82 [2021-03-24 14:52:44,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:52:44,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:44,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:44,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:44,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:52:44,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:44,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:44,087 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:44,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:44,102 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:52:44,102 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:52:44,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:44,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:44,130 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:52:44,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:44,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:44,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:44,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:44,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:52:44,135 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:52:44,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,136 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:52:44,136 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:44,136 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,137 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:44,137 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,138 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:52:44,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:44,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:44,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:44,166 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:44,167 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:44,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:44,169 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:52:44,170 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:44,179 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:44,180 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:52:44,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:44,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:44,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:44,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:44,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:44,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:52:44,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:52:44,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843937646] [2021-03-24 14:52:44,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:52:44,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:52:44,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:52:44,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:52:44,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:52:44,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 860 places, 1306 transitions, 54511 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:44,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:52:44,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:52:44,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:52:44,439 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-03-24 14:52:44,634 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2021-03-24 14:52:48,912 INFO L129 PetriNetUnfolder]: 3088/6567 cut-off events. [2021-03-24 14:52:48,913 INFO L130 PetriNetUnfolder]: For 752673/752726 co-relation queries the response was YES. [2021-03-24 14:52:49,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106510 conditions, 6567 events. 3088/6567 cut-off events. For 752673/752726 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 59912 event pairs, 624 based on Foata normal form. 8/6571 useless extension candidates. Maximal degree in co-relation 106158. Up to 2895 conditions per place. [2021-03-24 14:52:49,233 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 729 selfloop transitions, 591 changer transitions 3/1329 dead transitions. [2021-03-24 14:52:49,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 866 places, 1329 transitions, 57934 flow [2021-03-24 14:52:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:52:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:52:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 173 transitions. [2021-03-24 14:52:49,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6628352490421456 [2021-03-24 14:52:49,234 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 173 transitions. [2021-03-24 14:52:49,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 173 transitions. [2021-03-24 14:52:49,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:52:49,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 173 transitions. [2021-03-24 14:52:49,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:49,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:49,234 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:49,234 INFO L185 Difference]: Start difference. First operand has 860 places, 1306 transitions, 54511 flow. Second operand 9 states and 173 transitions. [2021-03-24 14:52:49,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 866 places, 1329 transitions, 57934 flow [2021-03-24 14:52:53,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 859 places, 1329 transitions, 56742 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-24 14:52:53,254 INFO L241 Difference]: Finished difference. Result has 860 places, 1305 transitions, 54494 flow [2021-03-24 14:52:53,254 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=53319, PETRI_DIFFERENCE_MINUEND_PLACES=851, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=591, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=54494, PETRI_PLACES=860, PETRI_TRANSITIONS=1305} [2021-03-24 14:52:53,254 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 837 predicate places. [2021-03-24 14:52:53,254 INFO L480 AbstractCegarLoop]: Abstraction has has 860 places, 1305 transitions, 54494 flow [2021-03-24 14:52:53,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:53,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:52:53,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:52:53,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable677 [2021-03-24 14:52:53,455 INFO L428 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:52:53,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:52:53,455 INFO L82 PathProgramCache]: Analyzing trace with hash -930988527, now seen corresponding path program 26 times [2021-03-24 14:52:53,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:52:53,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477597713] [2021-03-24 14:52:53,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:52:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:52:53,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:52:53,473 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-24 14:52:53,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:52:53,492 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-24 14:52:53,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 14:52:53,516 INFO L142 QuantifierPusher]: treesize reduction 11, result has 82.8 percent of original size [2021-03-24 14:52:53,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:52:53,540 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-03-24 14:52:53,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:52:53,561 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-03-24 14:52:53,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:53,577 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-03-24 14:52:53,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:52:53,590 INFO L142 QuantifierPusher]: treesize reduction 26, result has 42.2 percent of original size [2021-03-24 14:52:53,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:53,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477597713] [2021-03-24 14:52:53,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181630540] [2021-03-24 14:52:53,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:52:53,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:52:53,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:52:53,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:52:53,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:52:53,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,642 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:52:53,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:53,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:53,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:53,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:53,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:53,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:53,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:52:53,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:53,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:53,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:53,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:53,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:53,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:53,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:53,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:53,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,682 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:52:53,682 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:52:53,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:53,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:53,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:52:53,706 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size [2021-03-24 14:52:53,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:53,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:52:53,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:53,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:52:53,711 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.1 percent of original size [2021-03-24 14:52:53,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,711 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:52:53,712 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:52:53,712 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:53,713 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,713 INFO L142 QuantifierPusher]: treesize reduction 113, result has 46.4 percent of original size [2021-03-24 14:52:53,714 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:53,714 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,715 INFO L142 QuantifierPusher]: treesize reduction 73, result has 51.0 percent of original size [2021-03-24 14:52:53,715 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:53,715 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,717 INFO L142 QuantifierPusher]: treesize reduction 72, result has 27.3 percent of original size [2021-03-24 14:52:53,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:52:53,718 INFO L147 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size 27 [2021-03-24 14:52:53,719 INFO L147 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size 45 [2021-03-24 14:52:53,719 INFO L147 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size 72 [2021-03-24 14:52:53,720 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size [2021-03-24 14:52:53,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 14:52:53,783 INFO L142 QuantifierPusher]: treesize reduction 23, result has 72.6 percent of original size [2021-03-24 14:52:53,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:52:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 14:52:53,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:53,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:52:53,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 14:52:53,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,787 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:53,788 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,788 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:53,789 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:52:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:52:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 14:52:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 14:52:53,825 INFO L142 QuantifierPusher]: treesize reduction 9, result has 93.3 percent of original size [2021-03-24 14:52:53,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-24 14:52:53,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-24 14:52:53,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-03-24 14:52:53,829 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.4 percent of original size [2021-03-24 14:52:53,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,831 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:52:53,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,831 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:52:53,831 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:52:53,832 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,832 INFO L142 QuantifierPusher]: treesize reduction 115, result has 31.1 percent of original size [2021-03-24 14:52:53,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:53,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:53,834 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:53,834 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,835 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:53,835 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,836 INFO L142 QuantifierPusher]: treesize reduction 68, result has 45.2 percent of original size [2021-03-24 14:52:53,836 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:53,836 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:52:53,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:52:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:52:53,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:52:53,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:52:53,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 14:52:53,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:52:53,841 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:53,841 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,842 INFO L142 QuantifierPusher]: treesize reduction 66, result has 43.6 percent of original size [2021-03-24 14:52:53,842 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:53,842 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:52:53,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:52:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:52:53,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:52:53,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:52:53,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:52:53,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:52:53,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-03-24 14:52:53,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:52:53,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-24 14:52:53,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:52:53,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:53,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:53,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:53,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:52:53,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:53,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:53,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:53,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:52:53,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:53,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:52:53,865 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:53,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:52:53,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,869 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:53,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-03-24 14:52:53,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,874 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:53,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:52:53,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:52:53,878 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:53,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:52:53,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:53,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:52:53,883 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:52:53,949 INFO L628 ElimStorePlain]: treesize reduction 25, result has 75.5 percent of original size [2021-03-24 14:52:53,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-24 14:52:53,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-03-24 14:52:53,950 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:206, output treesize:77 [2021-03-24 14:52:53,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-24 14:52:53,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-24 14:52:53,996 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:52:53,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:52:53,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:52:53,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:52:53,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:53,999 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:53,999 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,000 INFO L142 QuantifierPusher]: treesize reduction 119, result has 27.0 percent of original size [2021-03-24 14:52:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:54,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:52:54,030 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:52:54,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:54,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:54,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:52:54,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:52:54,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:52:54,034 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:52:54,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,035 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:52:54,035 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:54,036 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,036 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:54,036 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,037 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:52:54,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:54,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:52:54,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:54,040 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:54,040 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:52:54,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:52:54,043 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:52:54,043 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:52:54,044 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:52:54,044 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:52:54,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:52:54,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:52:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:52:54,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:52:54,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:52:54,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540128021] [2021-03-24 14:52:54,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:52:54,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:52:54,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:52:54,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:52:54,063 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:52:54,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 860 places, 1305 transitions, 54494 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:54,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:52:54,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:52:54,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:52:54,901 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-03-24 14:52:55,032 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-03-24 14:52:56,097 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2021-03-24 14:52:59,533 INFO L129 PetriNetUnfolder]: 3096/6601 cut-off events. [2021-03-24 14:52:59,533 INFO L130 PetriNetUnfolder]: For 754222/754238 co-relation queries the response was YES. [2021-03-24 14:52:59,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106988 conditions, 6601 events. 3096/6601 cut-off events. For 754222/754238 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 60570 event pairs, 698 based on Foata normal form. 5/6603 useless extension candidates. Maximal degree in co-relation 106636. Up to 3677 conditions per place. [2021-03-24 14:52:59,710 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 742 selfloop transitions, 597 changer transitions 3/1348 dead transitions. [2021-03-24 14:52:59,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 872 places, 1348 transitions, 58739 flow [2021-03-24 14:52:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 14:52:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 14:52:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 276 transitions. [2021-03-24 14:52:59,711 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6344827586206897 [2021-03-24 14:52:59,711 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 276 transitions. [2021-03-24 14:52:59,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 276 transitions. [2021-03-24 14:52:59,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:52:59,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 276 transitions. [2021-03-24 14:52:59,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 18.4) internal successors, (276), 15 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:59,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 29.0) internal successors, (464), 16 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:59,712 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 29.0) internal successors, (464), 16 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:52:59,712 INFO L185 Difference]: Start difference. First operand has 860 places, 1305 transitions, 54494 flow. Second operand 15 states and 276 transitions. [2021-03-24 14:52:59,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 872 places, 1348 transitions, 58739 flow [2021-03-24 14:53:03,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 867 places, 1348 transitions, 57533 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-24 14:53:03,858 INFO L241 Difference]: Finished difference. Result has 873 places, 1341 transitions, 55910 flow [2021-03-24 14:53:03,859 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=53340, PETRI_DIFFERENCE_MINUEND_PLACES=853, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=562, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=735, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=55910, PETRI_PLACES=873, PETRI_TRANSITIONS=1341} [2021-03-24 14:53:03,859 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 850 predicate places. [2021-03-24 14:53:03,859 INFO L480 AbstractCegarLoop]: Abstraction has has 873 places, 1341 transitions, 55910 flow [2021-03-24 14:53:03,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:03,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:53:03,859 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:53:04,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable687,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:04,060 INFO L428 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:53:04,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:53:04,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1272968479, now seen corresponding path program 27 times [2021-03-24 14:53:04,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:53:04,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305386555] [2021-03-24 14:53:04,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:53:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:53:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:53:04,082 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 14:53:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:04,093 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:53:04,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:04,115 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size [2021-03-24 14:53:04,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:04,138 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.1 percent of original size [2021-03-24 14:53:04,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:53:04,158 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.0 percent of original size [2021-03-24 14:53:04,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:53:04,179 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.7 percent of original size [2021-03-24 14:53:04,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:53:04,197 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:53:04,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:04,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305386555] [2021-03-24 14:53:04,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480712379] [2021-03-24 14:53:04,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:04,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 14:53:04,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:53:04,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:53:04,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:53:04,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:53:04,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:04,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:04,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:04,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:04,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size [2021-03-24 14:53:04,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:04,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:53:04,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:04,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:53:04,305 INFO L142 QuantifierPusher]: treesize reduction 42, result has 78.4 percent of original size [2021-03-24 14:53:04,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,306 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:53:04,307 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:53:04,307 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:04,308 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,309 INFO L142 QuantifierPusher]: treesize reduction 155, result has 27.2 percent of original size [2021-03-24 14:53:04,310 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:53:04,310 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.8 percent of original size 67 [2021-03-24 14:53:04,311 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.8 percent of original size [2021-03-24 14:53:04,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,366 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size 76 [2021-03-24 14:53:04,366 INFO L142 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-03-24 14:53:04,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:53:04,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:53:04,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:53:04,414 INFO L142 QuantifierPusher]: treesize reduction 15, result has 81.7 percent of original size [2021-03-24 14:53:04,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:04,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:53:04,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:53:04,452 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.6 percent of original size [2021-03-24 14:53:04,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:53:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:53:04,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-24 14:53:04,479 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.1 percent of original size [2021-03-24 14:53:04,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,479 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:53:04,480 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:53:04,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,481 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:53:04,481 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:04,481 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,482 INFO L142 QuantifierPusher]: treesize reduction 107, result has 35.2 percent of original size [2021-03-24 14:53:04,483 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:53:04,483 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:53:04,483 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:04,484 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,484 INFO L142 QuantifierPusher]: treesize reduction 6, result has 96.0 percent of original size [2021-03-24 14:53:04,484 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:04,485 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,485 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:53:04,486 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,486 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:53:04,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:04,487 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:04,487 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:04,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:53:04,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:04,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:53:04,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:53:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:53:04,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:53:04,493 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:53:04,493 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,494 INFO L142 QuantifierPusher]: treesize reduction 69, result has 53.7 percent of original size [2021-03-24 14:53:04,494 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:04,494 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:53:04,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:53:04,497 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:04,497 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:04,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:04,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:53:04,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:53:04,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:53:04,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:53:04,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-03-24 14:53:04,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,502 INFO L142 QuantifierPusher]: treesize reduction 6, result has 94.1 percent of original size [2021-03-24 14:53:04,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:53:04,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-24 14:53:04,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:04,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:04,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,514 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:04,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,519 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:04,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:04,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:04,523 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:04,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,528 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:53:04,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:04,531 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:04,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,536 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:53:04,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:04,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:04,540 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:53:04,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:04,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:04,543 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,547 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:04,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,551 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:04,556 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:04,617 INFO L628 ElimStorePlain]: treesize reduction 55, result has 54.9 percent of original size [2021-03-24 14:53:04,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,618 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:53:04,618 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:478, output treesize:67 [2021-03-24 14:53:04,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:04,660 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:53:04,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:53:04,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:04,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:53:04,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:04,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:53:04,665 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:53:04,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,666 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:53:04,666 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:53:04,666 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,667 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:53:04,668 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:53:04,668 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,669 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:53:04,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:04,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:04,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:04,696 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:53:04,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:04,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:04,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:04,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:04,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:53:04,700 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:53:04,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,700 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:53:04,700 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:04,701 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,701 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:04,702 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:04,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:04,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:04,704 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:04,704 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,705 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:53:04,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:04,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:04,706 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:53:04,707 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:04,707 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:04,707 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:53:04,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:04,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:04,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:04,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:04,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:04,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:53:04,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:53:04,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902140414] [2021-03-24 14:53:04,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:53:04,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:53:04,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:53:04,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:53:04,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:53:04,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 1341 transitions, 55910 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:04,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:53:04,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:53:04,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:53:04,946 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-03-24 14:53:05,135 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2021-03-24 14:53:05,668 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2021-03-24 14:53:07,402 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2021-03-24 14:53:09,932 INFO L129 PetriNetUnfolder]: 3093/6597 cut-off events. [2021-03-24 14:53:09,933 INFO L130 PetriNetUnfolder]: For 753396/753448 co-relation queries the response was YES. [2021-03-24 14:53:10,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107326 conditions, 6597 events. 3093/6597 cut-off events. For 753396/753448 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 60538 event pairs, 621 based on Foata normal form. 12/6605 useless extension candidates. Maximal degree in co-relation 106972. Up to 2896 conditions per place. [2021-03-24 14:53:10,132 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 738 selfloop transitions, 621 changer transitions 5/1370 dead transitions. [2021-03-24 14:53:10,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 882 places, 1370 transitions, 59500 flow [2021-03-24 14:53:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:53:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:53:10,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 213 transitions. [2021-03-24 14:53:10,133 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6677115987460815 [2021-03-24 14:53:10,133 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 213 transitions. [2021-03-24 14:53:10,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 213 transitions. [2021-03-24 14:53:10,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:53:10,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 213 transitions. [2021-03-24 14:53:10,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 19.363636363636363) internal successors, (213), 11 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:10,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:10,133 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:10,134 INFO L185 Difference]: Start difference. First operand has 873 places, 1341 transitions, 55910 flow. Second operand 11 states and 213 transitions. [2021-03-24 14:53:10,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 882 places, 1370 transitions, 59500 flow [2021-03-24 14:53:14,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 879 places, 1370 transitions, 58480 flow, removed 193 selfloop flow, removed 3 redundant places. [2021-03-24 14:53:14,489 INFO L241 Difference]: Finished difference. Result has 882 places, 1342 transitions, 56168 flow [2021-03-24 14:53:14,489 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=54881, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=617, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=719, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=56168, PETRI_PLACES=882, PETRI_TRANSITIONS=1342} [2021-03-24 14:53:14,489 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 859 predicate places. [2021-03-24 14:53:14,489 INFO L480 AbstractCegarLoop]: Abstraction has has 882 places, 1342 transitions, 56168 flow [2021-03-24 14:53:14,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:14,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:53:14,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:53:14,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable704,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:14,690 INFO L428 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:53:14,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:53:14,690 INFO L82 PathProgramCache]: Analyzing trace with hash -932772465, now seen corresponding path program 28 times [2021-03-24 14:53:14,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:53:14,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495427837] [2021-03-24 14:53:14,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:53:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:53:14,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:14,704 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:53:14,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:53:14,709 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:53:14,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-24 14:53:14,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:53:14,744 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-03-24 14:53:14,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:53:14,768 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.1 percent of original size [2021-03-24 14:53:14,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 14:53:14,788 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.7 percent of original size [2021-03-24 14:53:14,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:53:14,804 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 14:53:14,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:53:14,818 INFO L142 QuantifierPusher]: treesize reduction 37, result has 31.5 percent of original size [2021-03-24 14:53:14,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:14,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495427837] [2021-03-24 14:53:14,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529186195] [2021-03-24 14:53:14,831 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:14,864 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:53:14,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:53:14,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:53:14,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:53:14,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:14,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:14,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:14,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:14,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:53:14,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:14,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:14,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:14,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:14,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:14,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:14,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:14,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:14,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:14,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,918 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:53:14,918 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:53:14,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:14,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:14,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:14,949 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size [2021-03-24 14:53:14,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:53:14,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:14,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:14,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:53:14,954 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.1 percent of original size [2021-03-24 14:53:14,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:14,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,956 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:53:14,956 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:14,956 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:14,957 INFO L142 QuantifierPusher]: treesize reduction 131, result has 28.4 percent of original size [2021-03-24 14:53:14,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:14,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:53:14,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:14,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:53:15,014 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.6 percent of original size [2021-03-24 14:53:15,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:15,016 INFO L147 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size 68 [2021-03-24 14:53:15,016 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.5 percent of original size [2021-03-24 14:53:15,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:15,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:53:15,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:53:15,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,020 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:15,020 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,021 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:15,022 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:53:15,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-24 14:53:15,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 14:53:15,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 14:53:15,090 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.8 percent of original size [2021-03-24 14:53:15,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:53:15,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:15,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:53:15,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:15,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:15,113 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size [2021-03-24 14:53:15,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:15,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:53:15,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:53:15,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:53:15,117 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.3 percent of original size [2021-03-24 14:53:15,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,117 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:53:15,118 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:53:15,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,119 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:53:15,119 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:15,119 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,120 INFO L142 QuantifierPusher]: treesize reduction 63, result has 60.9 percent of original size [2021-03-24 14:53:15,120 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:15,120 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,121 INFO L142 QuantifierPusher]: treesize reduction 98, result has 28.5 percent of original size [2021-03-24 14:53:15,122 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:53:15,122 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:53:15,123 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:53:15,123 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:15,123 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,123 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.1 percent of original size [2021-03-24 14:53:15,124 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:15,124 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,124 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.3 percent of original size [2021-03-24 14:53:15,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:53:15,125 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:15,125 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:53:15,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:53:15,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:53:15,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:53:15,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 14:53:15,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 14:53:15,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:53:15,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,130 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-03-24 14:53:15,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:15,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:53:15,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:53:15,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:15,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:15,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:15,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:15,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:15,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:15,140 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:15,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:53:15,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:15,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:15,144 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:15,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:15,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:53:15,161 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:78, output treesize:35 [2021-03-24 14:53:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:15,187 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:53:15,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:15,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:15,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:53:15,191 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:53:15,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,192 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:53:15,192 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:15,192 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,193 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:15,193 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,193 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:53:15,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:15,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:15,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:15,196 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:15,196 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:15,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:15,199 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:53:15,199 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:15,200 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:15,200 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:53:15,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:15,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:15,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:15,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:15,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:15,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:53:15,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:53:15,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639979100] [2021-03-24 14:53:15,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:53:15,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:53:15,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:53:15,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:53:15,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:53:15,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 882 places, 1342 transitions, 56168 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:15,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:53:15,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:53:15,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:53:15,936 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2021-03-24 14:53:20,247 INFO L129 PetriNetUnfolder]: 3092/6575 cut-off events. [2021-03-24 14:53:20,248 INFO L130 PetriNetUnfolder]: For 766442/766494 co-relation queries the response was YES. [2021-03-24 14:53:20,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106771 conditions, 6575 events. 3092/6575 cut-off events. For 766442/766494 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 60025 event pairs, 699 based on Foata normal form. 8/6579 useless extension candidates. Maximal degree in co-relation 106420. Up to 3677 conditions per place. [2021-03-24 14:53:20,415 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 773 selfloop transitions, 565 changer transitions 3/1347 dead transitions. [2021-03-24 14:53:20,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 1347 transitions, 59017 flow [2021-03-24 14:53:20,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:53:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:53:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 172 transitions. [2021-03-24 14:53:20,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6590038314176245 [2021-03-24 14:53:20,416 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 172 transitions. [2021-03-24 14:53:20,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 172 transitions. [2021-03-24 14:53:20,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:53:20,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 172 transitions. [2021-03-24 14:53:20,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:20,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:20,416 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:20,416 INFO L185 Difference]: Start difference. First operand has 882 places, 1342 transitions, 56168 flow. Second operand 9 states and 172 transitions. [2021-03-24 14:53:20,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 1347 transitions, 59017 flow [2021-03-24 14:53:24,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 882 places, 1347 transitions, 57840 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-03-24 14:53:24,901 INFO L241 Difference]: Finished difference. Result has 884 places, 1342 transitions, 56145 flow [2021-03-24 14:53:24,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=54998, PETRI_DIFFERENCE_MINUEND_PLACES=874, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=565, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=777, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=56145, PETRI_PLACES=884, PETRI_TRANSITIONS=1342} [2021-03-24 14:53:24,902 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 861 predicate places. [2021-03-24 14:53:24,902 INFO L480 AbstractCegarLoop]: Abstraction has has 884 places, 1342 transitions, 56145 flow [2021-03-24 14:53:24,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:24,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:53:24,902 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:53:25,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable720,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:25,102 INFO L428 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:53:25,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:53:25,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1064138871, now seen corresponding path program 29 times [2021-03-24 14:53:25,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:53:25,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138849921] [2021-03-24 14:53:25,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:53:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:53:25,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:53:25,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:53:25,128 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-24 14:53:25,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:53:25,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:53:25,164 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-24 14:53:25,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:53:25,182 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.8 percent of original size [2021-03-24 14:53:25,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:53:25,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:25,216 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:53:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:25,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138849921] [2021-03-24 14:53:25,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316219634] [2021-03-24 14:53:25,229 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:25,262 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:53:25,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:53:25,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:53:25,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:53:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,267 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:53:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,305 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:53:25,305 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:53:25,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:25,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:25,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:25,328 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-24 14:53:25,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:25,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:53:25,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:53:25,346 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-03-24 14:53:25,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:25,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:25,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:25,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:53:25,349 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:53:25,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,351 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:53:25,354 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:25,354 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,355 INFO L142 QuantifierPusher]: treesize reduction 80, result has 55.3 percent of original size [2021-03-24 14:53:25,355 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:25,356 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,356 INFO L142 QuantifierPusher]: treesize reduction 100, result has 28.1 percent of original size [2021-03-24 14:53:25,357 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:53:25,357 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:53:25,358 INFO L147 QuantifierPusher]: treesize reduction 7, result has 89.4 percent of original size 59 [2021-03-24 14:53:25,358 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.4 percent of original size [2021-03-24 14:53:25,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:25,405 INFO L142 QuantifierPusher]: treesize reduction 9, result has 92.6 percent of original size [2021-03-24 14:53:25,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:25,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:53:25,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-24 14:53:25,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-24 14:53:25,410 INFO L142 QuantifierPusher]: treesize reduction 42, result has 81.5 percent of original size [2021-03-24 14:53:25,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,411 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:53:25,412 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:53:25,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,412 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:53:25,412 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:25,413 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,413 INFO L142 QuantifierPusher]: treesize reduction 113, result has 31.5 percent of original size [2021-03-24 14:53:25,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:25,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:25,415 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:25,415 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,416 INFO L142 QuantifierPusher]: treesize reduction 27, result has 80.0 percent of original size [2021-03-24 14:53:25,416 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:25,416 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,417 INFO L142 QuantifierPusher]: treesize reduction 23, result has 80.3 percent of original size [2021-03-24 14:53:25,417 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:25,417 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:53:25,418 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,418 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:53:25,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:25,419 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:25,420 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:25,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:53:25,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:25,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:25,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:53:25,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:53:25,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:53:25,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:53:25,425 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:25,426 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:53:25,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:53:25,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:53:25,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:53:25,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-24 14:53:25,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:53:25,430 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:25,430 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:25,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:25,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:53:25,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:53:25,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-24 14:53:25,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:53:25,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:53:25,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:25,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:25,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:25,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:25,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:25,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:25,444 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:53:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:25,447 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:25,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:25,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:25,451 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:25,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,455 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:53:25,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:25,458 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:53:25,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:25,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:25,462 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:25,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:25,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:25,465 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:25,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:25,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:25,468 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:25,528 INFO L628 ElimStorePlain]: treesize reduction 31, result has 68.4 percent of original size [2021-03-24 14:53:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:25,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:53:25,529 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:337, output treesize:67 [2021-03-24 14:53:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:25,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:25,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:53:25,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:53:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:53:25,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:25,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:53:25,575 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:53:25,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,576 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:53:25,576 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:53:25,576 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,577 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:53:25,578 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:53:25,578 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,579 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:53:25,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:25,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:25,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:25,605 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:53:25,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:25,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:25,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:25,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:25,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:53:25,608 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:53:25,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,609 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:53:25,609 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:25,610 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,610 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:25,610 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:25,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:25,613 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:25,613 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,613 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:53:25,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:25,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:25,615 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:53:25,615 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:25,616 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:25,616 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:53:25,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:25,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:25,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:25,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:25,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:53:25,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:53:25,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301823335] [2021-03-24 14:53:25,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:53:25,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:53:25,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:53:25,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:53:25,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:53:25,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 884 places, 1342 transitions, 56145 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:25,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:53:25,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:53:25,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:53:26,523 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2021-03-24 14:53:30,741 INFO L129 PetriNetUnfolder]: 3096/6577 cut-off events. [2021-03-24 14:53:30,741 INFO L130 PetriNetUnfolder]: For 769671/769723 co-relation queries the response was YES. [2021-03-24 14:53:30,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106897 conditions, 6577 events. 3096/6577 cut-off events. For 769671/769723 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 60060 event pairs, 701 based on Foata normal form. 12/6584 useless extension candidates. Maximal degree in co-relation 106549. Up to 3666 conditions per place. [2021-03-24 14:53:30,905 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 786 selfloop transitions, 564 changer transitions 7/1363 dead transitions. [2021-03-24 14:53:30,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 894 places, 1363 transitions, 59416 flow [2021-03-24 14:53:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 14:53:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 14:53:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2021-03-24 14:53:30,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6392572944297082 [2021-03-24 14:53:30,906 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 241 transitions. [2021-03-24 14:53:30,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 241 transitions. [2021-03-24 14:53:30,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:53:30,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 241 transitions. [2021-03-24 14:53:30,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.53846153846154) internal successors, (241), 13 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:30,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:30,907 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:30,907 INFO L185 Difference]: Start difference. First operand has 884 places, 1342 transitions, 56145 flow. Second operand 13 states and 241 transitions. [2021-03-24 14:53:30,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 894 places, 1363 transitions, 59416 flow [2021-03-24 14:53:35,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 887 places, 1363 transitions, 58272 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-03-24 14:53:35,052 INFO L241 Difference]: Finished difference. Result has 893 places, 1348 transitions, 56345 flow [2021-03-24 14:53:35,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=55011, PETRI_DIFFERENCE_MINUEND_PLACES=875, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=558, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=778, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=56345, PETRI_PLACES=893, PETRI_TRANSITIONS=1348} [2021-03-24 14:53:35,053 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 870 predicate places. [2021-03-24 14:53:35,053 INFO L480 AbstractCegarLoop]: Abstraction has has 893 places, 1348 transitions, 56345 flow [2021-03-24 14:53:35,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:35,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:53:35,053 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:53:35,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable733 [2021-03-24 14:53:35,254 INFO L428 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:53:35,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:53:35,254 INFO L82 PathProgramCache]: Analyzing trace with hash 880819311, now seen corresponding path program 30 times [2021-03-24 14:53:35,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:53:35,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615479656] [2021-03-24 14:53:35,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:53:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:53:35,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:53:35,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 14:53:35,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,280 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-03-24 14:53:35,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 14:53:35,301 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-24 14:53:35,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:53:35,329 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.6 percent of original size [2021-03-24 14:53:35,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:53:35,351 INFO L142 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size [2021-03-24 14:53:35,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:53:35,370 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.7 percent of original size [2021-03-24 14:53:35,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:53:35,387 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:53:35,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:35,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615479656] [2021-03-24 14:53:35,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594615095] [2021-03-24 14:53:35,399 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:35,432 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 14:53:35,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:53:35,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:53:35,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:53:35,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,438 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:53:35,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,475 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:53:35,475 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:53:35,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:35,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:35,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:35,498 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size [2021-03-24 14:53:35,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:35,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:53:35,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:35,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:53:35,503 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.1 percent of original size [2021-03-24 14:53:35,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,503 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:53:35,519 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:53:35,520 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:35,520 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,521 INFO L142 QuantifierPusher]: treesize reduction 61, result has 60.4 percent of original size [2021-03-24 14:53:35,521 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-24 14:53:35,522 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,522 INFO L142 QuantifierPusher]: treesize reduction 77, result has 53.6 percent of original size [2021-03-24 14:53:35,523 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:35,523 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,523 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.0 percent of original size [2021-03-24 14:53:35,524 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:35,524 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,524 INFO L142 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-03-24 14:53:35,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:53:35,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:53:35,526 INFO L147 QuantifierPusher]: treesize reduction 32, result has 44.8 percent of original size 26 [2021-03-24 14:53:35,526 INFO L147 QuantifierPusher]: treesize reduction 32, result has 57.9 percent of original size 44 [2021-03-24 14:53:35,527 INFO L147 QuantifierPusher]: treesize reduction 32, result has 68.9 percent of original size 71 [2021-03-24 14:53:35,527 INFO L142 QuantifierPusher]: treesize reduction 32, result has 68.9 percent of original size [2021-03-24 14:53:35,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 14:53:35,589 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.9 percent of original size [2021-03-24 14:53:35,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 14:53:35,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:35,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 14:53:35,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:53:35,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:53:35,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:53:35,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:53:35,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:53:35,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:53:35,624 INFO L142 QuantifierPusher]: treesize reduction 9, result has 92.5 percent of original size [2021-03-24 14:53:35,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:35,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-24 14:53:35,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-24 14:53:35,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-24 14:53:35,629 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.6 percent of original size [2021-03-24 14:53:35,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,630 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:53:35,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,630 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:53:35,631 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:35,631 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,632 INFO L142 QuantifierPusher]: treesize reduction 54, result has 58.8 percent of original size [2021-03-24 14:53:35,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:35,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:35,633 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:53:35,633 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,634 INFO L142 QuantifierPusher]: treesize reduction 50, result has 72.5 percent of original size [2021-03-24 14:53:35,634 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:35,635 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:53:35,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:53:35,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:53:35,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:53:35,639 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:35,639 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,640 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:53:35,640 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,641 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:53:35,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:35,642 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:35,643 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:35,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:53:35,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:35,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:35,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:53:35,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:53:35,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:53:35,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:53:35,650 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:35,650 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:35,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:35,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:53:35,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:53:35,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-03-24 14:53:35,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:35,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:53:35,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:35,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:35,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:35,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:35,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:35,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:35,668 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:53:35,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:35,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:35,673 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:35,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:35,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:35,677 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:35,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,683 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:53:35,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:35,687 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:53:35,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:35,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:35,691 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:35,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:35,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:35,696 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:35,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:35,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:35,701 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:35,763 INFO L628 ElimStorePlain]: treesize reduction 31, result has 68.4 percent of original size [2021-03-24 14:53:35,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:35,764 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:53:35,764 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:337, output treesize:67 [2021-03-24 14:53:35,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:35,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:53:35,805 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:53:35,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:53:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:35,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:53:35,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:35,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:53:35,809 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:53:35,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,810 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:53:35,810 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:53:35,811 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,812 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:53:35,812 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:53:35,813 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,813 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:53:35,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:35,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:35,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:35,840 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:53:35,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:53:35,843 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:53:35,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,844 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:53:35,844 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:35,845 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,845 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:35,846 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:35,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:35,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:35,848 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:35,848 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,849 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:53:35,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:35,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:35,850 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:53:35,851 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:35,851 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:35,852 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:53:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:35,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:35,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:35,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:35,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:35,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:53:35,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:53:35,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585718070] [2021-03-24 14:53:35,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:53:35,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:53:35,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:53:35,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:53:35,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:53:35,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 893 places, 1348 transitions, 56345 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:35,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:53:35,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:53:35,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:53:40,676 INFO L129 PetriNetUnfolder]: 3095/6574 cut-off events. [2021-03-24 14:53:40,676 INFO L130 PetriNetUnfolder]: For 804746/804798 co-relation queries the response was YES. [2021-03-24 14:53:40,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108773 conditions, 6574 events. 3095/6574 cut-off events. For 804746/804798 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 59989 event pairs, 697 based on Foata normal form. 11/6580 useless extension candidates. Maximal degree in co-relation 108420. Up to 3667 conditions per place. [2021-03-24 14:53:40,850 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 783 selfloop transitions, 572 changer transitions 5/1366 dead transitions. [2021-03-24 14:53:40,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 901 places, 1366 transitions, 59712 flow [2021-03-24 14:53:40,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:53:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:53:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 212 transitions. [2021-03-24 14:53:40,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.664576802507837 [2021-03-24 14:53:40,851 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 212 transitions. [2021-03-24 14:53:40,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 212 transitions. [2021-03-24 14:53:40,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:53:40,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 212 transitions. [2021-03-24 14:53:40,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 19.272727272727273) internal successors, (212), 11 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:40,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:40,852 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:40,852 INFO L185 Difference]: Start difference. First operand has 893 places, 1348 transitions, 56345 flow. Second operand 11 states and 212 transitions. [2021-03-24 14:53:40,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 901 places, 1366 transitions, 59712 flow [2021-03-24 14:53:45,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 897 places, 1366 transitions, 59171 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-03-24 14:53:45,460 INFO L241 Difference]: Finished difference. Result has 902 places, 1357 transitions, 57367 flow [2021-03-24 14:53:45,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=55814, PETRI_DIFFERENCE_MINUEND_PLACES=887, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=564, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=777, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=57367, PETRI_PLACES=902, PETRI_TRANSITIONS=1357} [2021-03-24 14:53:45,460 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 879 predicate places. [2021-03-24 14:53:45,460 INFO L480 AbstractCegarLoop]: Abstraction has has 902 places, 1357 transitions, 57367 flow [2021-03-24 14:53:45,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:45,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:53:45,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:53:45,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable750,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:45,661 INFO L428 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:53:45,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:53:45,661 INFO L82 PathProgramCache]: Analyzing trace with hash 849785965, now seen corresponding path program 31 times [2021-03-24 14:53:45,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:53:45,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352407617] [2021-03-24 14:53:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:53:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:53:45,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:45,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:53:45,678 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 14:53:45,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:53:45,712 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.3 percent of original size [2021-03-24 14:53:45,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 14:53:45,747 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-24 14:53:45,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:53:45,768 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 14:53:45,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 14:53:45,787 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-24 14:53:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:53:45,804 INFO L142 QuantifierPusher]: treesize reduction 27, result has 38.6 percent of original size [2021-03-24 14:53:45,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:45,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352407617] [2021-03-24 14:53:45,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019457452] [2021-03-24 14:53:45,816 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:53:45,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:53:45,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:53:45,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:45,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:45,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:45,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:45,852 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:53:45,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:45,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:45,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,892 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:53:45,892 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:53:45,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:45,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:45,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:45,915 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size [2021-03-24 14:53:45,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:45,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:53:45,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:45,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:53:45,920 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.1 percent of original size [2021-03-24 14:53:45,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,920 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:53:45,921 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:53:45,921 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:45,922 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,922 INFO L142 QuantifierPusher]: treesize reduction 42, result has 72.7 percent of original size [2021-03-24 14:53:45,922 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-24 14:53:45,923 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,923 INFO L142 QuantifierPusher]: treesize reduction 75, result has 54.8 percent of original size [2021-03-24 14:53:45,923 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:45,924 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,924 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.0 percent of original size [2021-03-24 14:53:45,925 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:45,925 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,925 INFO L142 QuantifierPusher]: treesize reduction 39, result has 36.1 percent of original size [2021-03-24 14:53:45,926 INFO L147 QuantifierPusher]: treesize reduction 12, result has 29.4 percent of original size 5 [2021-03-24 14:53:45,926 INFO L147 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size 23 [2021-03-24 14:53:45,927 INFO L147 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size 26 [2021-03-24 14:53:45,927 INFO L147 QuantifierPusher]: treesize reduction 63, result has 41.1 percent of original size 44 [2021-03-24 14:53:45,933 INFO L147 QuantifierPusher]: treesize reduction 63, result has 53.0 percent of original size 71 [2021-03-24 14:53:45,934 INFO L142 QuantifierPusher]: treesize reduction 63, result has 53.0 percent of original size [2021-03-24 14:53:45,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 14:53:45,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 93.2 percent of original size [2021-03-24 14:53:45,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:45,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-24 14:53:45,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:45,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:45,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-24 14:53:46,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-03-24 14:53:46,001 INFO L142 QuantifierPusher]: treesize reduction 42, result has 82.4 percent of original size [2021-03-24 14:53:46,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,002 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:53:46,002 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:53:46,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,003 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:53:46,003 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:46,004 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,004 INFO L142 QuantifierPusher]: treesize reduction 133, result has 30.4 percent of original size [2021-03-24 14:53:46,005 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:53:46,006 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:53:46,006 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:46,006 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,007 INFO L142 QuantifierPusher]: treesize reduction 6, result has 95.4 percent of original size [2021-03-24 14:53:46,007 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:53:46,007 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,008 INFO L142 QuantifierPusher]: treesize reduction 33, result has 76.1 percent of original size [2021-03-24 14:53:46,008 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-24 14:53:46,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,009 INFO L142 QuantifierPusher]: treesize reduction 31, result has 71.8 percent of original size [2021-03-24 14:53:46,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:46,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:53:46,012 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:46,012 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:46,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:53:46,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:46,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:53:46,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 14:53:46,018 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:46,018 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:46,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:46,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:53:46,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:53:46,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:53:46,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:53:46,024 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:53:46,024 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:46,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:53:46,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:53:46,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:46,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 14:53:46,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-03-24 14:53:46,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,030 INFO L142 QuantifierPusher]: treesize reduction 6, result has 93.5 percent of original size [2021-03-24 14:53:46,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:46,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-03-24 14:53:46,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:46,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,040 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:46,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:46,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:46,045 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:46,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:46,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:46,051 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:53:46,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:46,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:46,057 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:46,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,063 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:46,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,070 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:46,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,076 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:46,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,082 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:46,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,088 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:53:46,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:46,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:46,126 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:46,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,132 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:53:46,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,138 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:53:46,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:46,143 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:46,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:46,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:46,148 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:53:46,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:53:46,153 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:53:46,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:46,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:46,158 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:53:46,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:46,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:46,163 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:53:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:46,168 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:46,395 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2021-03-24 14:53:46,395 INFO L628 ElimStorePlain]: treesize reduction 97, result has 69.6 percent of original size [2021-03-24 14:53:46,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:53:46,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-24 14:53:46,397 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 1 variables, input treesize:763, output treesize:222 [2021-03-24 14:53:46,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:53:46,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:53:46,506 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.6 percent of original size [2021-03-24 14:53:46,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:53:46,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:53:46,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:53:46,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:53:46,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-03-24 14:53:46,514 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.2 percent of original size [2021-03-24 14:53:46,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,515 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 11, 1] term [2021-03-24 14:53:46,516 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:53:46,516 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,517 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:53:46,517 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:46,518 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,519 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-24 14:53:46,519 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:46,519 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,520 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:53:46,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,521 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:46,521 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,521 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:53:46,522 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 14:53:46,522 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:46,523 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,524 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 14:53:46,525 INFO L147 QuantifierPusher]: treesize reduction 71, result has 75.4 percent of original size 218 [2021-03-24 14:53:46,525 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:53:46,526 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,527 INFO L142 QuantifierPusher]: treesize reduction 194, result has 42.4 percent of original size [2021-03-24 14:53:46,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:53:46,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:53:46,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:53:46,608 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:53:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:53:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:53:46,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:53:46,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,611 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:46,611 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,612 INFO L142 QuantifierPusher]: treesize reduction 119, result has 27.0 percent of original size [2021-03-24 14:53:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:46,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:46,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:46,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:46,641 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:53:46,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:46,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:53:46,645 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:53:46,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,646 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:53:46,646 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:46,646 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,646 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:46,647 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:46,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:46,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:46,649 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:46,649 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,650 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:53:46,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:46,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:46,651 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:53:46,651 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:46,652 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:46,652 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:53:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:46,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:46,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:46,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:53:46,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:53:46,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540115571] [2021-03-24 14:53:46,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:53:46,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:53:46,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:53:46,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:53:46,665 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:53:46,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 902 places, 1357 transitions, 57367 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:46,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:53:46,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:53:46,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:53:47,519 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-03-24 14:53:48,083 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2021-03-24 14:53:48,368 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-03-24 14:53:48,992 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2021-03-24 14:53:49,173 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-03-24 14:53:49,452 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-03-24 14:53:52,881 INFO L129 PetriNetUnfolder]: 3123/6612 cut-off events. [2021-03-24 14:53:52,881 INFO L130 PetriNetUnfolder]: For 856089/856141 co-relation queries the response was YES. [2021-03-24 14:53:53,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111137 conditions, 6612 events. 3123/6612 cut-off events. For 856089/856141 co-relation queries the response was YES. Maximal size of possible extension queue 681. Compared 60274 event pairs, 686 based on Foata normal form. 8/6615 useless extension candidates. Maximal degree in co-relation 110809. Up to 3667 conditions per place. [2021-03-24 14:53:53,058 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 748 selfloop transitions, 637 changer transitions 6/1397 dead transitions. [2021-03-24 14:53:53,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 1397 transitions, 61581 flow [2021-03-24 14:53:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 14:53:53,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 14:53:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 351 transitions. [2021-03-24 14:53:53,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6370235934664247 [2021-03-24 14:53:53,059 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 351 transitions. [2021-03-24 14:53:53,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 351 transitions. [2021-03-24 14:53:53,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:53:53,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 351 transitions. [2021-03-24 14:53:53,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 18.473684210526315) internal successors, (351), 19 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:53,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:53,060 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:53,060 INFO L185 Difference]: Start difference. First operand has 902 places, 1357 transitions, 57367 flow. Second operand 19 states and 351 transitions. [2021-03-24 14:53:53,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 1397 transitions, 61581 flow [2021-03-24 14:53:58,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 915 places, 1397 transitions, 60704 flow, removed 118 selfloop flow, removed 4 redundant places. [2021-03-24 14:53:58,071 INFO L241 Difference]: Finished difference. Result has 919 places, 1381 transitions, 58818 flow [2021-03-24 14:53:58,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=56534, PETRI_DIFFERENCE_MINUEND_PLACES=897, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=617, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=733, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=58818, PETRI_PLACES=919, PETRI_TRANSITIONS=1381} [2021-03-24 14:53:58,072 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 896 predicate places. [2021-03-24 14:53:58,072 INFO L480 AbstractCegarLoop]: Abstraction has has 919 places, 1381 transitions, 58818 flow [2021-03-24 14:53:58,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:58,072 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:53:58,072 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:53:58,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable768,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:58,273 INFO L428 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:53:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:53:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2098539695, now seen corresponding path program 32 times [2021-03-24 14:53:58,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:53:58,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726323629] [2021-03-24 14:53:58,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:53:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:53:58,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:58,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:53:58,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:53:58,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:53:58,325 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.2 percent of original size [2021-03-24 14:53:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:53:58,348 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.1 percent of original size [2021-03-24 14:53:58,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:53:58,365 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:53:58,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:53:58,380 INFO L142 QuantifierPusher]: treesize reduction -2, result has 111.8 percent of original size [2021-03-24 14:53:58,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:58,393 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:53:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:58,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726323629] [2021-03-24 14:53:58,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222287846] [2021-03-24 14:53:58,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:53:58,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:53:58,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:53:58,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:53:58,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:53:58,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:58,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:58,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:53:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:58,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:58,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:58,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,496 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:53:58,497 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:53:58,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:58,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:58,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:53:58,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size [2021-03-24 14:53:58,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:58,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:53:58,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:58,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:53:58,527 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.1 percent of original size [2021-03-24 14:53:58,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,529 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:53:58,529 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:58,530 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,530 INFO L142 QuantifierPusher]: treesize reduction 131, result has 28.4 percent of original size [2021-03-24 14:53:58,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:53:58,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:53:58,575 INFO L142 QuantifierPusher]: treesize reduction 18, result has 80.9 percent of original size [2021-03-24 14:53:58,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,576 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size [2021-03-24 14:53:58,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:53:58,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 14:53:58,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:58,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:53:58,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:53:58,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,580 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:58,580 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,581 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:58,581 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:53:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:53:58,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:53:58,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:53:58,621 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-03-24 14:53:58,621 INFO L147 QuantifierPusher]: treesize reduction 28, result has 59.4 percent of original size 41 [2021-03-24 14:53:58,621 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.0 percent of original size [2021-03-24 14:53:58,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:53:58,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:53:58,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:53:58,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:53:58,647 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:53:58,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:58,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:53:58,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:53:58,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:53:58,651 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.9 percent of original size [2021-03-24 14:53:58,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,652 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:53:58,653 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:53:58,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,653 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:53:58,653 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:53:58,654 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,654 INFO L142 QuantifierPusher]: treesize reduction 133, result has 30.4 percent of original size [2021-03-24 14:53:58,655 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:53:58,656 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-24 14:53:58,656 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:58,656 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,657 INFO L142 QuantifierPusher]: treesize reduction 96, result has 28.9 percent of original size [2021-03-24 14:53:58,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:53:58,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:53:58,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:53:58,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,658 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size [2021-03-24 14:53:58,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:53:58,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:53:58,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:53:58,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:58,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:53:58,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:58,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:53:58,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:58,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:53:58,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:53:58,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:58,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:53:58,680 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:53:58,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:58,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:53:58,706 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:53:58,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:58,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:58,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:53:58,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:53:58,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:53:58,710 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:53:58,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,711 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:53:58,711 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:58,711 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,712 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:58,712 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,712 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:53:58,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:58,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:53:58,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:58,715 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:58,715 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:53:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:53:58,717 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:53:58,717 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:53:58,717 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:53:58,718 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:53:58,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:58,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:58,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:53:58,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:53:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:53:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:53:58,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:53:58,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:53:58,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327326401] [2021-03-24 14:53:58,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:53:58,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:53:58,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:53:58,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:53:58,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:53:58,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 919 places, 1381 transitions, 58818 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:53:58,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:53:58,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:53:58,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:53:59,211 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-03-24 14:53:59,476 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2021-03-24 14:54:04,346 INFO L129 PetriNetUnfolder]: 3123/6639 cut-off events. [2021-03-24 14:54:04,346 INFO L130 PetriNetUnfolder]: For 888760/888776 co-relation queries the response was YES. [2021-03-24 14:54:04,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112762 conditions, 6639 events. 3123/6639 cut-off events. For 888760/888776 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 60851 event pairs, 686 based on Foata normal form. 5/6640 useless extension candidates. Maximal degree in co-relation 112435. Up to 3672 conditions per place. [2021-03-24 14:54:04,528 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 781 selfloop transitions, 605 changer transitions 3/1395 dead transitions. [2021-03-24 14:54:04,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 929 places, 1395 transitions, 62069 flow [2021-03-24 14:54:04,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 14:54:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 14:54:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 227 transitions. [2021-03-24 14:54:04,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6522988505747126 [2021-03-24 14:54:04,529 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 227 transitions. [2021-03-24 14:54:04,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 227 transitions. [2021-03-24 14:54:04,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:54:04,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 227 transitions. [2021-03-24 14:54:04,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.916666666666668) internal successors, (227), 12 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:04,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 29.0) internal successors, (377), 13 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:04,529 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 29.0) internal successors, (377), 13 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:04,530 INFO L185 Difference]: Start difference. First operand has 919 places, 1381 transitions, 58818 flow. Second operand 12 states and 227 transitions. [2021-03-24 14:54:04,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 929 places, 1395 transitions, 62069 flow [2021-03-24 14:54:09,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 921 places, 1395 transitions, 60759 flow, removed 319 selfloop flow, removed 8 redundant places. [2021-03-24 14:54:09,721 INFO L241 Difference]: Finished difference. Result has 922 places, 1381 transitions, 58721 flow [2021-03-24 14:54:09,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=57519, PETRI_DIFFERENCE_MINUEND_PLACES=910, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=604, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=777, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=58721, PETRI_PLACES=922, PETRI_TRANSITIONS=1381} [2021-03-24 14:54:09,722 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 899 predicate places. [2021-03-24 14:54:09,722 INFO L480 AbstractCegarLoop]: Abstraction has has 922 places, 1381 transitions, 58721 flow [2021-03-24 14:54:09,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:09,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:54:09,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:54:09,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable791,78 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:09,923 INFO L428 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:54:09,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:54:09,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1109852561, now seen corresponding path program 33 times [2021-03-24 14:54:09,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:54:09,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538058590] [2021-03-24 14:54:09,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:54:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:54:09,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:09,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:09,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:09,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:54:09,947 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 14:54:09,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:54:09,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:09,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 14:54:09,971 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.8 percent of original size [2021-03-24 14:54:09,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 14:54:09,992 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size [2021-03-24 14:54:09,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:10,011 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-24 14:54:10,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:54:10,024 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 14:54:10,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:10,038 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:54:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:10,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538058590] [2021-03-24 14:54:10,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792540852] [2021-03-24 14:54:10,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:10,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 14:54:10,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:54:10,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:54:10,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:54:10,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,089 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:54:10,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,126 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-24 14:54:10,126 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-24 14:54:10,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:54:10,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:54:10,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:54:10,149 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size [2021-03-24 14:54:10,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:10,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:54:10,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:54:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:54:10,153 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.1 percent of original size [2021-03-24 14:54:10,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,155 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:54:10,155 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:10,155 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,156 INFO L142 QuantifierPusher]: treesize reduction 131, result has 28.4 percent of original size [2021-03-24 14:54:10,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:10,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:54:10,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:54:10,199 INFO L142 QuantifierPusher]: treesize reduction 15, result has 81.7 percent of original size [2021-03-24 14:54:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:54:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:10,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:54:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:54:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:54:10,235 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.8 percent of original size [2021-03-24 14:54:10,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,236 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size [2021-03-24 14:54:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:54:10,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:54:10,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:10,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:54:10,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:10,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:10,262 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:54:10,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:10,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:54:10,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:54:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:54:10,266 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.9 percent of original size [2021-03-24 14:54:10,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,267 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:54:10,267 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:54:10,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,268 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:54:10,268 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:10,268 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,269 INFO L142 QuantifierPusher]: treesize reduction 31, result has 78.3 percent of original size [2021-03-24 14:54:10,269 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-24 14:54:10,270 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,270 INFO L142 QuantifierPusher]: treesize reduction 77, result has 53.6 percent of original size [2021-03-24 14:54:10,270 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:10,271 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,271 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.0 percent of original size [2021-03-24 14:54:10,272 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:10,272 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,272 INFO L142 QuantifierPusher]: treesize reduction 27, result has 55.7 percent of original size [2021-03-24 14:54:10,273 INFO L147 QuantifierPusher]: treesize reduction 12, result has 29.4 percent of original size 5 [2021-03-24 14:54:10,273 INFO L147 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size 23 [2021-03-24 14:54:10,274 INFO L147 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size 26 [2021-03-24 14:54:10,274 INFO L147 QuantifierPusher]: treesize reduction 63, result has 41.1 percent of original size 44 [2021-03-24 14:54:10,275 INFO L147 QuantifierPusher]: treesize reduction 63, result has 41.1 percent of original size 44 [2021-03-24 14:54:10,275 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:10,275 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,276 INFO L142 QuantifierPusher]: treesize reduction 204, result has 16.0 percent of original size [2021-03-24 14:54:10,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:54:10,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:54:10,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:54:10,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,278 INFO L142 QuantifierPusher]: treesize reduction 63, result has 53.3 percent of original size [2021-03-24 14:54:10,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 14:54:10,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:54:10,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:54:10,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:10,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:10,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:10,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:54:10,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:10,285 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:10,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:10,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:54:10,300 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:54:10,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:10,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:10,324 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:54:10,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:10,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:10,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:54:10,328 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:54:10,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,329 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:54:10,329 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:10,329 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,330 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:10,330 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,331 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:54:10,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:10,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:10,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:10,333 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:10,333 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:10,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:10,335 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:54:10,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:10,335 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:10,336 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:54:10,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:10,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:10,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:10,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:10,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:10,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:54:10,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:54:10,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412718535] [2021-03-24 14:54:10,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:54:10,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:54:10,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:54:10,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:54:10,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:54:10,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 1381 transitions, 58721 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:10,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:54:10,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:54:10,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:54:15,337 INFO L129 PetriNetUnfolder]: 3121/6623 cut-off events. [2021-03-24 14:54:15,338 INFO L130 PetriNetUnfolder]: For 870232/870248 co-relation queries the response was YES. [2021-03-24 14:54:15,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110996 conditions, 6623 events. 3121/6623 cut-off events. For 870232/870248 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 60568 event pairs, 696 based on Foata normal form. 5/6624 useless extension candidates. Maximal degree in co-relation 110637. Up to 3699 conditions per place. [2021-03-24 14:54:15,545 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 777 selfloop transitions, 600 changer transitions 3/1386 dead transitions. [2021-03-24 14:54:15,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 929 places, 1386 transitions, 61568 flow [2021-03-24 14:54:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 14:54:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 14:54:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 189 transitions. [2021-03-24 14:54:15,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6517241379310345 [2021-03-24 14:54:15,546 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 189 transitions. [2021-03-24 14:54:15,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 189 transitions. [2021-03-24 14:54:15,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:54:15,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 189 transitions. [2021-03-24 14:54:15,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.9) internal successors, (189), 10 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:15,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:15,547 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:15,547 INFO L185 Difference]: Start difference. First operand has 922 places, 1381 transitions, 58721 flow. Second operand 10 states and 189 transitions. [2021-03-24 14:54:15,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 929 places, 1386 transitions, 61568 flow [2021-03-24 14:54:20,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 920 places, 1386 transitions, 60549 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-03-24 14:54:20,498 INFO L241 Difference]: Finished difference. Result has 921 places, 1379 transitions, 58842 flow [2021-03-24 14:54:20,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=57704, PETRI_DIFFERENCE_MINUEND_PLACES=911, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=600, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=781, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=58842, PETRI_PLACES=921, PETRI_TRANSITIONS=1379} [2021-03-24 14:54:20,499 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 898 predicate places. [2021-03-24 14:54:20,499 INFO L480 AbstractCegarLoop]: Abstraction has has 921 places, 1379 transitions, 58842 flow [2021-03-24 14:54:20,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:20,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:54:20,499 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:54:20,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable801,79 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:20,700 INFO L428 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:54:20,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:54:20,700 INFO L82 PathProgramCache]: Analyzing trace with hash -385620421, now seen corresponding path program 34 times [2021-03-24 14:54:20,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:54:20,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997283628] [2021-03-24 14:54:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:54:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:54:20,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:54:20,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:54:20,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:20,745 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-03-24 14:54:20,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:54:20,758 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-24 14:54:20,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:54:20,769 INFO L142 QuantifierPusher]: treesize reduction 9, result has 74.3 percent of original size [2021-03-24 14:54:20,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:54:20,781 INFO L142 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size [2021-03-24 14:54:20,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:54:20,809 INFO L142 QuantifierPusher]: treesize reduction 26, result has 44.7 percent of original size [2021-03-24 14:54:20,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 14:54:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:20,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997283628] [2021-03-24 14:54:20,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235702213] [2021-03-24 14:54:20,827 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:20,859 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:54:20,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:54:20,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:54:20,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:54:20,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:20,864 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:54:20,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:20,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:20,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:20,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:20,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:20,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:20,899 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-24 14:54:20,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:54:20,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:20,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:54:20,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:20,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:20,911 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.0 percent of original size [2021-03-24 14:54:20,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:20,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:54:20,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:54:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:54:20,915 INFO L142 QuantifierPusher]: treesize reduction 42, result has 76.8 percent of original size [2021-03-24 14:54:20,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,916 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:54:20,916 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:54:20,916 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:20,917 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,917 INFO L142 QuantifierPusher]: treesize reduction 61, result has 60.4 percent of original size [2021-03-24 14:54:20,918 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:54:20,918 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,919 INFO L142 QuantifierPusher]: treesize reduction 70, result has 47.8 percent of original size [2021-03-24 14:54:20,919 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:20,919 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,920 INFO L142 QuantifierPusher]: treesize reduction 23, result has 48.9 percent of original size [2021-03-24 14:54:20,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:20,921 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:54:20,921 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.0 percent of original size 63 [2021-03-24 14:54:20,922 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.9 percent of original size 70 [2021-03-24 14:54:20,922 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.9 percent of original size [2021-03-24 14:54:20,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 14:54:20,970 INFO L142 QuantifierPusher]: treesize reduction 22, result has 68.1 percent of original size [2021-03-24 14:54:20,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:54:20,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:54:20,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:20,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:20,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 14:54:20,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:54:20,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:54:20,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:54:20,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:54:20,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:54:20,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:54:20,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,993 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size 37 [2021-03-24 14:54:20,994 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size [2021-03-24 14:54:20,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:20,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:20,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:20,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:21,018 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:54:21,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:21,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:54:21,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:54:21,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:54:21,023 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.9 percent of original size [2021-03-24 14:54:21,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,023 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:54:21,024 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:54:21,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,024 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:54:21,025 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:21,025 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,026 INFO L142 QuantifierPusher]: treesize reduction 53, result has 67.1 percent of original size [2021-03-24 14:54:21,026 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:21,026 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,027 INFO L142 QuantifierPusher]: treesize reduction 37, result has 63.7 percent of original size [2021-03-24 14:54:21,027 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:21,028 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,028 INFO L142 QuantifierPusher]: treesize reduction 25, result has 58.3 percent of original size [2021-03-24 14:54:21,029 INFO L147 QuantifierPusher]: treesize reduction 13, result has 27.8 percent of original size 5 [2021-03-24 14:54:21,029 INFO L147 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size 34 [2021-03-24 14:54:21,029 INFO L147 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size 52 [2021-03-24 14:54:21,030 INFO L147 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size 52 [2021-03-24 14:54:21,030 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:21,030 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,031 INFO L142 QuantifierPusher]: treesize reduction 140, result has 21.8 percent of original size [2021-03-24 14:54:21,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:54:21,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:54:21,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:54:21,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,033 INFO L142 QuantifierPusher]: treesize reduction 23, result has 77.7 percent of original size [2021-03-24 14:54:21,033 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-03-24 14:54:21,033 INFO L147 QuantifierPusher]: treesize reduction 7, result has 92.1 percent of original size 82 [2021-03-24 14:54:21,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:54:21,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:21,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:21,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:21,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:54:21,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:21,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:21,041 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:21,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:21,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:54:21,054 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:54:21,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:21,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:21,081 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:54:21,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:21,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:21,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:21,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:21,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:54:21,085 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:54:21,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,086 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:54:21,086 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:21,086 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,086 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:21,087 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,088 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:54:21,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:21,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:21,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:21,090 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:21,090 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:21,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:21,106 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:54:21,106 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:21,107 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:21,107 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:54:21,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:21,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:21,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:21,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:21,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:21,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:54:21,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:54:21,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111517803] [2021-03-24 14:54:21,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:54:21,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:54:21,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:54:21,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:54:21,126 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:54:21,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 921 places, 1379 transitions, 58842 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:21,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:54:21,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:54:21,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:54:27,195 INFO L129 PetriNetUnfolder]: 3169/6779 cut-off events. [2021-03-24 14:54:27,195 INFO L130 PetriNetUnfolder]: For 883126/883142 co-relation queries the response was YES. [2021-03-24 14:54:27,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112468 conditions, 6779 events. 3169/6779 cut-off events. For 883126/883142 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 62658 event pairs, 647 based on Foata normal form. 9/6784 useless extension candidates. Maximal degree in co-relation 112125. Up to 3258 conditions per place. [2021-03-24 14:54:27,380 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 827 selfloop transitions, 630 changer transitions 6/1469 dead transitions. [2021-03-24 14:54:27,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 1469 transitions, 64043 flow [2021-03-24 14:54:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-24 14:54:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-24 14:54:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 376 transitions. [2021-03-24 14:54:27,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6174055829228243 [2021-03-24 14:54:27,381 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 376 transitions. [2021-03-24 14:54:27,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 376 transitions. [2021-03-24 14:54:27,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:54:27,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 376 transitions. [2021-03-24 14:54:27,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 17.904761904761905) internal successors, (376), 21 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:27,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:27,382 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:27,382 INFO L185 Difference]: Start difference. First operand has 921 places, 1379 transitions, 58842 flow. Second operand 21 states and 376 transitions. [2021-03-24 14:54:27,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 934 places, 1469 transitions, 64043 flow [2021-03-24 14:54:32,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 927 places, 1469 transitions, 62845 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-24 14:54:32,484 INFO L241 Difference]: Finished difference. Result has 934 places, 1398 transitions, 59574 flow [2021-03-24 14:54:32,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=57594, PETRI_DIFFERENCE_MINUEND_PLACES=907, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=603, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=747, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=59574, PETRI_PLACES=934, PETRI_TRANSITIONS=1398} [2021-03-24 14:54:32,485 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 911 predicate places. [2021-03-24 14:54:32,485 INFO L480 AbstractCegarLoop]: Abstraction has has 934 places, 1398 transitions, 59574 flow [2021-03-24 14:54:32,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:32,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:54:32,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:54:32,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable812,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:32,685 INFO L428 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:54:32,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:54:32,686 INFO L82 PathProgramCache]: Analyzing trace with hash 2013696441, now seen corresponding path program 35 times [2021-03-24 14:54:32,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:54:32,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111607342] [2021-03-24 14:54:32,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:54:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:54:32,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:32,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:54:32,702 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-24 14:54:32,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:54:32,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,740 INFO L142 QuantifierPusher]: treesize reduction -4, result has 106.8 percent of original size [2021-03-24 14:54:32,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:54:32,789 INFO L142 QuantifierPusher]: treesize reduction -4, result has 108.0 percent of original size [2021-03-24 14:54:32,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:32,824 INFO L142 QuantifierPusher]: treesize reduction -2, result has 116.7 percent of original size [2021-03-24 14:54:32,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:54:32,835 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-03-24 14:54:32,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:32,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111607342] [2021-03-24 14:54:32,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321158612] [2021-03-24 14:54:32,845 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:32,879 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:54:32,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:54:32,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:54:32,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:54:32,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:32,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:32,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:32,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:32,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:54:32,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:32,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:32,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:32,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:32,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:32,920 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-24 14:54:32,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:54:32,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:32,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:32,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:54:32,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:32,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:32,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,934 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-03-24 14:54:32,935 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-24 14:54:32,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:32,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:32,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:32,951 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:54:32,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:32,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:32,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:54:32,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:32,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:54:32,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:54:32,955 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:54:32,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:32,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,956 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:54:32,956 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:32,956 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:32,957 INFO L142 QuantifierPusher]: treesize reduction 131, result has 28.4 percent of original size [2021-03-24 14:54:32,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:32,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:54:32,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:54:32,999 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.8 percent of original size [2021-03-24 14:54:33,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,000 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size [2021-03-24 14:54:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:54:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:54:33,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:33,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:54:33,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:33,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:33,034 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:54:33,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:33,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:54:33,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:54:33,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:54:33,039 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.9 percent of original size [2021-03-24 14:54:33,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,041 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:54:33,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,042 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:54:33,042 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:33,042 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,043 INFO L142 QuantifierPusher]: treesize reduction 115, result has 31.1 percent of original size [2021-03-24 14:54:33,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:33,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:33,045 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:33,045 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,046 INFO L142 QuantifierPusher]: treesize reduction 84, result has 31.7 percent of original size [2021-03-24 14:54:33,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:54:33,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:54:33,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:54:33,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:54:33,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:54:33,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:54:33,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:33,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:33,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:33,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:54:33,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:33,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:33,059 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:33,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:33,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:54:33,073 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:54:33,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:33,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:33,100 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:54:33,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:33,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:33,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:33,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:33,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:54:33,104 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:54:33,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,105 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:54:33,105 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:33,105 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,105 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:33,106 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:33,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:33,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:33,108 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:33,108 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,109 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:54:33,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:33,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:33,110 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:54:33,111 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:33,111 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:33,111 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:54:33,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:33,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:33,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:33,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:33,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:33,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:54:33,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:54:33,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135330433] [2021-03-24 14:54:33,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:54:33,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:54:33,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:54:33,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:54:33,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:54:33,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 1398 transitions, 59574 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:33,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:54:33,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:54:33,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:54:38,382 INFO L129 PetriNetUnfolder]: 3209/6845 cut-off events. [2021-03-24 14:54:38,382 INFO L130 PetriNetUnfolder]: For 906091/906143 co-relation queries the response was YES. [2021-03-24 14:54:38,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114921 conditions, 6845 events. 3209/6845 cut-off events. For 906091/906143 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 63141 event pairs, 676 based on Foata normal form. 8/6848 useless extension candidates. Maximal degree in co-relation 114544. Up to 3695 conditions per place. [2021-03-24 14:54:38,745 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 802 selfloop transitions, 607 changer transitions 3/1418 dead transitions. [2021-03-24 14:54:38,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 1418 transitions, 62876 flow [2021-03-24 14:54:38,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 14:54:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 14:54:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 239 transitions. [2021-03-24 14:54:38,746 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6339522546419099 [2021-03-24 14:54:38,746 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 239 transitions. [2021-03-24 14:54:38,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 239 transitions. [2021-03-24 14:54:38,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:54:38,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 239 transitions. [2021-03-24 14:54:38,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.384615384615383) internal successors, (239), 13 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:38,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:38,747 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:38,747 INFO L185 Difference]: Start difference. First operand has 934 places, 1398 transitions, 59574 flow. Second operand 13 states and 239 transitions. [2021-03-24 14:54:38,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 1418 transitions, 62876 flow [2021-03-24 14:54:43,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 1418 transitions, 61037 flow, removed 191 selfloop flow, removed 9 redundant places. [2021-03-24 14:54:43,874 INFO L241 Difference]: Finished difference. Result has 936 places, 1396 transitions, 59019 flow [2021-03-24 14:54:43,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=57734, PETRI_DIFFERENCE_MINUEND_PLACES=922, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=605, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=790, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=59019, PETRI_PLACES=936, PETRI_TRANSITIONS=1396} [2021-03-24 14:54:43,874 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 913 predicate places. [2021-03-24 14:54:43,874 INFO L480 AbstractCegarLoop]: Abstraction has has 936 places, 1396 transitions, 59019 flow [2021-03-24 14:54:43,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:43,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:54:43,875 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:54:44,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable824,81 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:44,075 INFO L428 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:54:44,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:54:44,075 INFO L82 PathProgramCache]: Analyzing trace with hash -576604007, now seen corresponding path program 36 times [2021-03-24 14:54:44,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:54:44,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609573620] [2021-03-24 14:54:44,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:54:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:54:44,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:54:44,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:54:44,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:44,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,120 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.5 percent of original size [2021-03-24 14:54:44,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:54:44,138 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.8 percent of original size [2021-03-24 14:54:44,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:54:44,156 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-24 14:54:44,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:54:44,172 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-03-24 14:54:44,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:44,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609573620] [2021-03-24 14:54:44,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841986192] [2021-03-24 14:54:44,184 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:44,227 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 14:54:44,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:54:44,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 14:54:44,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:54:44,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:54:44,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:44,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:44,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:44,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:44,268 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-24 14:54:44,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:54:44,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:44,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:54:44,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:44,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:44,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:44,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:44,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:44,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:44,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,273 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-03-24 14:54:44,274 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-24 14:54:44,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:44,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:44,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:44,288 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.3 percent of original size [2021-03-24 14:54:44,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:54:44,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:54:44,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:54:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:54:44,292 INFO L142 QuantifierPusher]: treesize reduction -4, result has 104.2 percent of original size [2021-03-24 14:54:44,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,293 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:54:44,293 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,294 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,295 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-03-24 14:54:44,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:54:44,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:54:44,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:54:44,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 91.9 percent of original size [2021-03-24 14:54:44,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:44,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-24 14:54:44,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:54:44,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-24 14:54:44,328 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.8 percent of original size [2021-03-24 14:54:44,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,329 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:54:44,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,329 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:54:44,330 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:44,330 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,331 INFO L142 QuantifierPusher]: treesize reduction 115, result has 31.1 percent of original size [2021-03-24 14:54:44,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:44,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:44,332 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,332 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,333 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:44,333 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,334 INFO L142 QuantifierPusher]: treesize reduction 27, result has 77.9 percent of original size [2021-03-24 14:54:44,334 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:44,334 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:44,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:44,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:54:44,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:54:44,337 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,337 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:54:44,339 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:54:44,339 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,339 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.7 percent of original size [2021-03-24 14:54:44,340 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:44,340 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:44,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:44,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:54:44,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:54:44,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:44,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:54:44,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 14:54:44,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 14:54:44,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:44,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-24 14:54:44,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 14:54:44,348 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,348 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,349 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:54:44,349 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,349 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:54:44,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:44,350 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:44,350 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:44,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:54:44,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:54:44,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:54:44,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:54:44,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:54:44,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:54:44,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:54:44,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-03-24 14:54:44,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-24 14:54:44,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-24 14:54:44,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:54:44,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:54:44,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:54:44,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:54:44,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,367 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:54:44,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,371 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:54:44,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:54:44,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:54:44,375 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:54:44,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:44,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:44,379 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:54:44,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,384 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:54:44,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,388 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:54:44,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:44,393 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:54:44,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:44,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:44,398 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:54:44,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:54:44,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:54:44,403 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:54:44,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:44,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:44,407 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:44,455 INFO L628 ElimStorePlain]: treesize reduction 27, result has 69.3 percent of original size [2021-03-24 14:54:44,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:54:44,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:54:44,456 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:415, output treesize:61 [2021-03-24 14:54:44,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:54:44,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 14:54:44,490 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:54:44,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:54:44,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:54:44,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:54:44,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:54:44,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 14:54:44,494 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.7 percent of original size [2021-03-24 14:54:44,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,495 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 1] term [2021-03-24 14:54:44,495 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:54:44,496 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,497 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 79 [2021-03-24 14:54:44,497 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,497 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,498 INFO L142 QuantifierPusher]: treesize reduction 131, result has 24.3 percent of original size [2021-03-24 14:54:44,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:54:44,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:54:44,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:54:44,522 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:54:44,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:54:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:54:44,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:54:44,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 14:54:44,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:54:44,525 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size [2021-03-24 14:54:44,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,526 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-24 14:54:44,526 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,527 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,527 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,527 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:44,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:44,530 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,530 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,531 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:54:44,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:44,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:44,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:54:44,532 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:44,533 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:44,533 INFO L142 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-03-24 14:54:44,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:44,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:44,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:44,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:44,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:44,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:54:44,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 14:54:44,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073063364] [2021-03-24 14:54:44,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 14:54:44,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:54:44,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 14:54:44,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-03-24 14:54:44,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:54:44,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 1396 transitions, 59019 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:44,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:54:44,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:54:44,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:54:49,653 INFO L129 PetriNetUnfolder]: 3213/6822 cut-off events. [2021-03-24 14:54:49,653 INFO L130 PetriNetUnfolder]: For 896092/896144 co-relation queries the response was YES. [2021-03-24 14:54:49,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114317 conditions, 6822 events. 3213/6822 cut-off events. For 896092/896144 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 62595 event pairs, 729 based on Foata normal form. 9/6824 useless extension candidates. Maximal degree in co-relation 113942. Up to 3686 conditions per place. [2021-03-24 14:54:49,840 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 819 selfloop transitions, 581 changer transitions 3/1409 dead transitions. [2021-03-24 14:54:49,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 1409 transitions, 62225 flow [2021-03-24 14:54:49,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 14:54:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 14:54:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 206 transitions. [2021-03-24 14:54:49,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.64576802507837 [2021-03-24 14:54:49,841 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 206 transitions. [2021-03-24 14:54:49,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 206 transitions. [2021-03-24 14:54:49,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:54:49,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 206 transitions. [2021-03-24 14:54:49,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.727272727272727) internal successors, (206), 11 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:49,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:49,842 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:49,842 INFO L185 Difference]: Start difference. First operand has 936 places, 1396 transitions, 59019 flow. Second operand 11 states and 206 transitions. [2021-03-24 14:54:49,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 1409 transitions, 62225 flow [2021-03-24 14:54:55,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 1409 transitions, 60999 flow, removed 46 selfloop flow, removed 9 redundant places. [2021-03-24 14:54:55,200 INFO L241 Difference]: Finished difference. Result has 938 places, 1399 transitions, 59107 flow [2021-03-24 14:54:55,201 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=57801, PETRI_DIFFERENCE_MINUEND_PLACES=925, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=577, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=815, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=59107, PETRI_PLACES=938, PETRI_TRANSITIONS=1399} [2021-03-24 14:54:55,201 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 915 predicate places. [2021-03-24 14:54:55,201 INFO L480 AbstractCegarLoop]: Abstraction has has 938 places, 1399 transitions, 59107 flow [2021-03-24 14:54:55,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:55,201 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:54:55,201 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:54:55,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable832,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:55,402 INFO L428 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:54:55,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:54:55,402 INFO L82 PathProgramCache]: Analyzing trace with hash -863835081, now seen corresponding path program 37 times [2021-03-24 14:54:55,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:54:55,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407458327] [2021-03-24 14:54:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:54:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:54:55,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:55,412 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:54:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:54:55,418 INFO L142 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size [2021-03-24 14:54:55,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:54:55,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 14:54:55,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:55,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:54:55,468 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:54:55,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:54:55,483 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.6 percent of original size [2021-03-24 14:54:55,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:55,506 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:54:55,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:55,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407458327] [2021-03-24 14:54:55,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329807461] [2021-03-24 14:54:55,520 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:54:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:54:55,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:54:55,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:54:55,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:55,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:55,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:55,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:55,574 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:54:55,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,601 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-24 14:54:55,601 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-24 14:54:55,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:54:55,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:54:55,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:54:55,626 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-03-24 14:54:55,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:55,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:55,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:54:55,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:55,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:54:55,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-03-24 14:54:55,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:55,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 14:54:55,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:54:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:54:55,671 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:54:55,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,672 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:54:55,672 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:55,673 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,673 INFO L142 QuantifierPusher]: treesize reduction 131, result has 28.4 percent of original size [2021-03-24 14:54:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:55,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:54:55,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:54:55,720 INFO L142 QuantifierPusher]: treesize reduction 25, result has 69.1 percent of original size [2021-03-24 14:54:55,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:54:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 14:54:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:54:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:54:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 14:54:55,755 INFO L142 QuantifierPusher]: treesize reduction 11, result has 89.5 percent of original size [2021-03-24 14:54:55,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 14:54:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:54:55,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-24 14:54:55,761 INFO L142 QuantifierPusher]: treesize reduction 42, result has 79.9 percent of original size [2021-03-24 14:54:55,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,762 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-24 14:54:55,763 INFO L147 QuantifierPusher]: treesize reduction 25, result has 67.5 percent of original size 52 [2021-03-24 14:54:55,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,763 INFO L142 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size [2021-03-24 14:54:55,764 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:54:55,764 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,765 INFO L142 QuantifierPusher]: treesize reduction 113, result has 31.5 percent of original size [2021-03-24 14:54:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:55,766 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:55,767 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,767 INFO L142 QuantifierPusher]: treesize reduction 84, result has 31.7 percent of original size [2021-03-24 14:54:55,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:54:55,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 14:54:55,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:54:55,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:54:55,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:54:55,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:54:55,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:55,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:54:55,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:55,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-24 14:54:55,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:55,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:54:55,778 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:54:55,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:55,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 14:54:55,794 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:35 [2021-03-24 14:54:55,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:55,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:54:55,826 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:54:55,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:55,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:55,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:54:55,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:54:55,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:54:55,830 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:54:55,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,830 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:54:55,831 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:55,831 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,832 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:55,832 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,833 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:54:55,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:55,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:54:55,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:55,835 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:55,836 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:54:55,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:54:55,838 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:54:55,838 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:54:55,839 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:54:55,839 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:54:55,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:55,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:55,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:54:55,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:54:55,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:54:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:54:55,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:54:55,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:54:55,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368791156] [2021-03-24 14:54:55,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:54:55,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:54:55,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:54:55,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:54:55,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:54:55,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 1399 transitions, 59107 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:54:55,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:54:55,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:54:55,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:55:01,002 INFO L129 PetriNetUnfolder]: 3211/6833 cut-off events. [2021-03-24 14:55:01,002 INFO L130 PetriNetUnfolder]: For 898604/898656 co-relation queries the response was YES. [2021-03-24 14:55:01,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114669 conditions, 6833 events. 3211/6833 cut-off events. For 898604/898656 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 62857 event pairs, 699 based on Foata normal form. 8/6834 useless extension candidates. Maximal degree in co-relation 114292. Up to 3683 conditions per place. [2021-03-24 14:55:01,190 INFO L132 encePairwiseOnDemand]: 20/29 looper letters, 821 selfloop transitions, 588 changer transitions 3/1418 dead transitions. [2021-03-24 14:55:01,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 946 places, 1418 transitions, 62521 flow [2021-03-24 14:55:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 14:55:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 14:55:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 165 transitions. [2021-03-24 14:55:01,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.632183908045977 [2021-03-24 14:55:01,191 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 165 transitions. [2021-03-24 14:55:01,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 165 transitions. [2021-03-24 14:55:01,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:55:01,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 165 transitions. [2021-03-24 14:55:01,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:01,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:01,191 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:01,191 INFO L185 Difference]: Start difference. First operand has 938 places, 1399 transitions, 59107 flow. Second operand 9 states and 165 transitions. [2021-03-24 14:55:01,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 946 places, 1418 transitions, 62521 flow [2021-03-24 14:55:06,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 940 places, 1418 transitions, 61230 flow, removed 100 selfloop flow, removed 6 redundant places. [2021-03-24 14:55:06,688 INFO L241 Difference]: Finished difference. Result has 942 places, 1401 transitions, 59072 flow [2021-03-24 14:55:06,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=57818, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=586, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=812, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=59072, PETRI_PLACES=942, PETRI_TRANSITIONS=1401} [2021-03-24 14:55:06,689 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 919 predicate places. [2021-03-24 14:55:06,689 INFO L480 AbstractCegarLoop]: Abstraction has has 942 places, 1401 transitions, 59072 flow [2021-03-24 14:55:06,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:06,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:55:06,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:55:06,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable850 [2021-03-24 14:55:06,890 INFO L428 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:55:06,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:55:06,890 INFO L82 PathProgramCache]: Analyzing trace with hash 840831767, now seen corresponding path program 38 times [2021-03-24 14:55:06,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:55:06,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887662316] [2021-03-24 14:55:06,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:55:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:55:06,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:06,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:06,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:06,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:55:06,906 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-24 14:55:06,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:55:06,925 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-24 14:55:06,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:06,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:06,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:55:06,954 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-24 14:55:06,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:55:06,973 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.8 percent of original size [2021-03-24 14:55:06,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:55:06,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-24 14:55:06,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:55:07,010 INFO L142 QuantifierPusher]: treesize reduction 19, result has 47.2 percent of original size [2021-03-24 14:55:07,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:55:07,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887662316] [2021-03-24 14:55:07,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321431354] [2021-03-24 14:55:07,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:55:07,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:55:07,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:55:07,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:55:07,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:55:07,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:07,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:07,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:07,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:07,061 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:55:07,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,083 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-24 14:55:07,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-24 14:55:07,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:07,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:07,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:07,106 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-03-24 14:55:07,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:07,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:55:07,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:55:07,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:55:07,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:55:07,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:55:07,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 14:55:07,139 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-03-24 14:55:07,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:07,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:55:07,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:55:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:55:07,143 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.4 percent of original size [2021-03-24 14:55:07,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,144 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:55:07,144 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:07,145 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,145 INFO L142 QuantifierPusher]: treesize reduction 64, result has 64.2 percent of original size [2021-03-24 14:55:07,145 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:07,146 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,147 INFO L142 QuantifierPusher]: treesize reduction 67, result has 55.6 percent of original size [2021-03-24 14:55:07,147 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,147 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,148 INFO L142 QuantifierPusher]: treesize reduction 31, result has 56.3 percent of original size [2021-03-24 14:55:07,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 14:55:07,149 INFO L147 QuantifierPusher]: treesize reduction 13, result has 74.5 percent of original size 38 [2021-03-24 14:55:07,150 INFO L147 QuantifierPusher]: treesize reduction 29, result has 65.9 percent of original size 56 [2021-03-24 14:55:07,150 INFO L147 QuantifierPusher]: treesize reduction 29, result has 70.7 percent of original size 70 [2021-03-24 14:55:07,151 INFO L142 QuantifierPusher]: treesize reduction 29, result has 70.7 percent of original size [2021-03-24 14:55:07,151 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.3 percent of original size 59 [2021-03-24 14:55:07,204 INFO L142 QuantifierPusher]: treesize reduction 9, result has 92.6 percent of original size [2021-03-24 14:55:07,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:07,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:55:07,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-03-24 14:55:07,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-24 14:55:07,209 INFO L142 QuantifierPusher]: treesize reduction 42, result has 81.5 percent of original size [2021-03-24 14:55:07,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,210 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:55:07,210 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:55:07,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,211 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:55:07,211 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:07,211 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,212 INFO L142 QuantifierPusher]: treesize reduction 76, result has 59.4 percent of original size [2021-03-24 14:55:07,212 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:07,213 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,213 INFO L142 QuantifierPusher]: treesize reduction 131, result has 19.6 percent of original size [2021-03-24 14:55:07,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 14:55:07,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:55:07,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 14:55:07,215 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,216 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,216 INFO L142 QuantifierPusher]: treesize reduction 25, result has 80.9 percent of original size [2021-03-24 14:55:07,217 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,217 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,218 INFO L142 QuantifierPusher]: treesize reduction 13, result has 85.4 percent of original size [2021-03-24 14:55:07,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:07,219 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,219 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,220 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.5 percent of original size [2021-03-24 14:55:07,220 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,221 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 14:55:07,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:55:07,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:55:07,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 14:55:07,224 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,225 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:55:07,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:55:07,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:55:07,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:55:07,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 14:55:07,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-24 14:55:07,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:55:07,230 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:07,230 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:07,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:07,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:55:07,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:55:07,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-24 14:55:07,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-24 14:55:07,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:55:07,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:07,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:07,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:07,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:07,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:55:07,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:07,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:07,243 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:07,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-24 14:55:07,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:55:07,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 14:55:07,247 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:07,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:55:07,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:07,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:07,251 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:07,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:07,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:07,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:07,254 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:07,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:07,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:07,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:07,258 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:07,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:07,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:07,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:07,261 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:07,321 INFO L628 ElimStorePlain]: treesize reduction 31, result has 68.4 percent of original size [2021-03-24 14:55:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:55:07,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 14:55:07,322 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:254, output treesize:67 [2021-03-24 14:55:07,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:55:07,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 14:55:07,364 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:55:07,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:55:07,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:55:07,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-24 14:55:07,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 14:55:07,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:55:07,368 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.8 percent of original size [2021-03-24 14:55:07,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,369 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 8, 1] term [2021-03-24 14:55:07,369 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:55:07,370 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,371 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.6 percent of original size 63 [2021-03-24 14:55:07,371 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:55:07,371 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,372 INFO L142 QuantifierPusher]: treesize reduction 61, result has 42.5 percent of original size [2021-03-24 14:55:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:55:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:55:07,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:55:07,399 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:55:07,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:07,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:55:07,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:07,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:55:07,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:55:07,403 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:55:07,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,404 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:55:07,404 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,404 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,404 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,405 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,405 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:55:07,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:07,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:55:07,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:07,407 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,408 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:07,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:07,410 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:55:07,410 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:07,410 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:07,410 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:55:07,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:07,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:07,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:07,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:07,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:55:07,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:55:07,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:55:07,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552145111] [2021-03-24 14:55:07,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:55:07,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:55:07,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:55:07,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:55:07,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:55:07,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 1401 transitions, 59072 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:07,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:55:07,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:55:07,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:55:13,475 INFO L129 PetriNetUnfolder]: 3340/7183 cut-off events. [2021-03-24 14:55:13,475 INFO L130 PetriNetUnfolder]: For 918133/918185 co-relation queries the response was YES. [2021-03-24 14:55:13,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117804 conditions, 7183 events. 3340/7183 cut-off events. For 918133/918185 co-relation queries the response was YES. Maximal size of possible extension queue 735. Compared 67313 event pairs, 695 based on Foata normal form. 10/7185 useless extension candidates. Maximal degree in co-relation 117427. Up to 3686 conditions per place. [2021-03-24 14:55:13,673 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 822 selfloop transitions, 644 changer transitions 6/1478 dead transitions. [2021-03-24 14:55:13,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 1478 transitions, 64287 flow [2021-03-24 14:55:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 14:55:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 14:55:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 362 transitions. [2021-03-24 14:55:13,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6241379310344828 [2021-03-24 14:55:13,674 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 362 transitions. [2021-03-24 14:55:13,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 362 transitions. [2021-03-24 14:55:13,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:55:13,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 362 transitions. [2021-03-24 14:55:13,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 18.1) internal successors, (362), 20 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:13,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:13,675 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:13,675 INFO L185 Difference]: Start difference. First operand has 942 places, 1401 transitions, 59072 flow. Second operand 20 states and 362 transitions. [2021-03-24 14:55:13,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 1478 transitions, 64287 flow [2021-03-24 14:55:19,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 954 places, 1478 transitions, 63123 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-24 14:55:19,470 INFO L241 Difference]: Finished difference. Result has 962 places, 1428 transitions, 60225 flow [2021-03-24 14:55:19,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=57924, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=627, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=769, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=60225, PETRI_PLACES=962, PETRI_TRANSITIONS=1428} [2021-03-24 14:55:19,471 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 939 predicate places. [2021-03-24 14:55:19,471 INFO L480 AbstractCegarLoop]: Abstraction has has 962 places, 1428 transitions, 60225 flow [2021-03-24 14:55:19,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:19,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:55:19,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:55:19,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable858,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:55:19,672 INFO L428 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:55:19,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:55:19,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1695851025, now seen corresponding path program 39 times [2021-03-24 14:55:19,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:55:19,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485017472] [2021-03-24 14:55:19,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:55:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:55:19,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:19,683 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 14:55:19,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:55:19,688 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-24 14:55:19,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 14:55:19,696 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.3 percent of original size [2021-03-24 14:55:19,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 14:55:19,716 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-03-24 14:55:19,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:55:19,741 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size [2021-03-24 14:55:19,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 14:55:19,764 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-03-24 14:55:19,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 14:55:19,784 INFO L142 QuantifierPusher]: treesize reduction 19, result has 54.8 percent of original size [2021-03-24 14:55:19,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:55:19,799 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 14:55:19,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:55:19,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485017472] [2021-03-24 14:55:19,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495879810] [2021-03-24 14:55:19,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:55:19,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 14:55:19,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:55:19,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:55:19,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:55:19,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:19,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:19,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:19,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:19,852 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:55:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:19,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,873 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-24 14:55:19,874 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-24 14:55:19,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:19,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:19,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:19,895 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.3 percent of original size [2021-03-24 14:55:19,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:19,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:19,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-24 14:55:19,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:19,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:55:19,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:55:19,900 INFO L142 QuantifierPusher]: treesize reduction 42, result has 78.8 percent of original size [2021-03-24 14:55:19,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:19,900 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:55:19,901 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:55:19,902 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:19,902 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:19,903 INFO L142 QuantifierPusher]: treesize reduction 161, result has 24.4 percent of original size [2021-03-24 14:55:19,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:19,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 14:55:19,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 14:55:19,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:55:19,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:55:19,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:55:19,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:55:19,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 93.7 percent of original size [2021-03-24 14:55:19,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:19,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:19,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:19,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-24 14:55:20,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:55:20,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-24 14:55:20,003 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.3 percent of original size [2021-03-24 14:55:20,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,004 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:55:20,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,004 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:55:20,005 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:20,005 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,006 INFO L142 QuantifierPusher]: treesize reduction 48, result has 70.6 percent of original size [2021-03-24 14:55:20,006 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:20,006 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,007 INFO L142 QuantifierPusher]: treesize reduction 55, result has 46.6 percent of original size [2021-03-24 14:55:20,007 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:55:20,008 INFO L147 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size 45 [2021-03-24 14:55:20,008 INFO L147 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size 45 [2021-03-24 14:55:20,008 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:20,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,009 INFO L142 QuantifierPusher]: treesize reduction 50, result has 69.5 percent of original size [2021-03-24 14:55:20,010 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:20,010 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,010 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:20,011 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:55:20,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:55:20,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:55:20,014 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:55:20,014 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,014 INFO L142 QuantifierPusher]: treesize reduction 43, result has 60.6 percent of original size [2021-03-24 14:55:20,015 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:20,015 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:20,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:55:20,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:55:20,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:20,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:55:20,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:55:20,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-24 14:55:20,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:55:20,021 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:20,021 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:20,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:20,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:55:20,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:55:20,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-03-24 14:55:20,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,026 INFO L142 QuantifierPusher]: treesize reduction 23, result has 80.2 percent of original size [2021-03-24 14:55:20,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:55:20,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-24 14:55:20,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:20,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,036 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:20,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,042 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:55:20,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:20,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:20,047 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:20,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,052 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:20,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:20,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:20,057 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,063 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:20,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:20,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:20,067 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:20,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,072 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:20,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,077 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:20,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:20,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:20,083 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:55:20,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:20,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:20,088 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:20,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,093 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:20,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,098 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:20,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,103 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:20,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:20,108 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:20,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:20,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:20,112 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:20,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,117 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:20,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,121 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:20,335 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-24 14:55:20,335 INFO L628 ElimStorePlain]: treesize reduction 45, result has 83.1 percent of original size [2021-03-24 14:55:20,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:20,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-24 14:55:20,337 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 1 variables, input treesize:787, output treesize:222 [2021-03-24 14:55:20,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:20,447 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.6 percent of original size [2021-03-24 14:55:20,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:55:20,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:55:20,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:55:20,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:55:20,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-03-24 14:55:20,455 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.2 percent of original size [2021-03-24 14:55:20,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,457 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 11, 1] term [2021-03-24 14:55:20,457 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:55:20,458 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,458 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:20,458 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,459 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 14:55:20,460 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:20,461 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,461 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:55:20,462 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 14:55:20,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,463 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:55:20,463 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:20,464 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,465 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:55:20,466 INFO L147 QuantifierPusher]: treesize reduction 66, result has 76.8 percent of original size 219 [2021-03-24 14:55:20,466 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:55:20,467 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,468 INFO L142 QuantifierPusher]: treesize reduction 185, result has 44.4 percent of original size [2021-03-24 14:55:20,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:55:20,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:55:20,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:55:20,588 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.0 percent of original size [2021-03-24 14:55:20,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:55:20,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:55:20,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:55:20,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:55:20,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:55:20,593 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-24 14:55:20,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,594 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 1] term [2021-03-24 14:55:20,594 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:55:20,595 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,595 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:20,595 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:20,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,598 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:20,599 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,599 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:55:20,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:55:20,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,616 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:55:20,617 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:20,617 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:20,619 INFO L147 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size 11 [2021-03-24 14:55:20,620 INFO L147 QuantifierPusher]: treesize reduction 35, result has 71.8 percent of original size 89 [2021-03-24 14:55:20,620 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:55:20,621 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,622 INFO L142 QuantifierPusher]: treesize reduction 78, result has 47.3 percent of original size [2021-03-24 14:55:20,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:55:20,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:55:20,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:55:20,658 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 14:55:20,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:55:20,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:55:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,660 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:20,661 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:20,661 INFO L142 QuantifierPusher]: treesize reduction 61, result has 31.5 percent of original size [2021-03-24 14:55:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:20,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:20,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:20,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:55:20,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:55:20,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:55:20,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928690360] [2021-03-24 14:55:20,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:55:20,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:55:20,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:55:20,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:55:20,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:55:20,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 1428 transitions, 60225 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:20,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:55:20,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:55:20,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:55:21,373 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-03-24 14:55:21,964 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2021-03-24 14:55:22,279 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 60 [2021-03-24 14:55:23,440 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-03-24 14:55:23,631 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-03-24 14:55:23,872 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 58 [2021-03-24 14:55:24,010 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 52 [2021-03-24 14:55:25,430 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-24 14:55:28,733 INFO L129 PetriNetUnfolder]: 3641/7916 cut-off events. [2021-03-24 14:55:28,733 INFO L130 PetriNetUnfolder]: For 1061614/1061666 co-relation queries the response was YES. [2021-03-24 14:55:28,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133050 conditions, 7916 events. 3641/7916 cut-off events. For 1061614/1061666 co-relation queries the response was YES. Maximal size of possible extension queue 829. Compared 76206 event pairs, 748 based on Foata normal form. 10/7918 useless extension candidates. Maximal degree in co-relation 132665. Up to 3306 conditions per place. [2021-03-24 14:55:28,950 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 846 selfloop transitions, 723 changer transitions 4/1579 dead transitions. [2021-03-24 14:55:28,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 977 places, 1579 transitions, 69077 flow [2021-03-24 14:55:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 14:55:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 14:55:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 322 transitions. [2021-03-24 14:55:28,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6531440162271805 [2021-03-24 14:55:28,951 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 322 transitions. [2021-03-24 14:55:28,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 322 transitions. [2021-03-24 14:55:28,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:55:28,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 322 transitions. [2021-03-24 14:55:28,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.941176470588236) internal successors, (322), 17 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:28,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:28,951 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:28,951 INFO L185 Difference]: Start difference. First operand has 962 places, 1428 transitions, 60225 flow. Second operand 17 states and 322 transitions. [2021-03-24 14:55:28,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 977 places, 1579 transitions, 69077 flow [2021-03-24 14:55:35,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 967 places, 1579 transitions, 67949 flow, removed 266 selfloop flow, removed 10 redundant places. [2021-03-24 14:55:35,432 INFO L241 Difference]: Finished difference. Result has 979 places, 1517 transitions, 64624 flow [2021-03-24 14:55:35,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=59109, PETRI_DIFFERENCE_MINUEND_PLACES=951, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=640, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=64624, PETRI_PLACES=979, PETRI_TRANSITIONS=1517} [2021-03-24 14:55:35,433 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 956 predicate places. [2021-03-24 14:55:35,433 INFO L480 AbstractCegarLoop]: Abstraction has has 979 places, 1517 transitions, 64624 flow [2021-03-24 14:55:35,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:35,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:55:35,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:55:35,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable876 [2021-03-24 14:55:35,633 INFO L428 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:55:35,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:55:35,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1984783997, now seen corresponding path program 40 times [2021-03-24 14:55:35,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:55:35,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708217981] [2021-03-24 14:55:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:55:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:55:35,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:35,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:55:35,652 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 14:55:35,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:55:35,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 14:55:35,685 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.6 percent of original size [2021-03-24 14:55:35,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 14:55:35,707 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-24 14:55:35,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:55:35,735 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 14:55:35,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 14:55:35,759 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-24 14:55:35,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 14:55:35,780 INFO L142 QuantifierPusher]: treesize reduction 27, result has 38.6 percent of original size [2021-03-24 14:55:35,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:55:35,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708217981] [2021-03-24 14:55:35,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395791103] [2021-03-24 14:55:35,795 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:55:35,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 14:55:35,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:55:35,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:55:35,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:55:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:35,843 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:55:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,864 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-24 14:55:35,864 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-24 14:55:35,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:35,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:35,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:35,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:35,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:35,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:35,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:35,908 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.7 percent of original size [2021-03-24 14:55:35,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:35,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 14:55:35,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:55:35,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:55:35,912 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.1 percent of original size [2021-03-24 14:55:35,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,914 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:55:35,914 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:35,914 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,915 INFO L142 QuantifierPusher]: treesize reduction 39, result has 71.9 percent of original size [2021-03-24 14:55:35,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:35,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:55:35,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 14:55:35,957 INFO L142 QuantifierPusher]: treesize reduction 9, result has 93.7 percent of original size [2021-03-24 14:55:35,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:35,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-24 14:55:35,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:55:35,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-24 14:55:35,962 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.3 percent of original size [2021-03-24 14:55:35,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,964 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:55:35,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,964 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.1 percent of original size [2021-03-24 14:55:35,964 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:35,965 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,965 INFO L142 QuantifierPusher]: treesize reduction 64, result has 60.7 percent of original size [2021-03-24 14:55:35,965 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:35,966 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,966 INFO L142 QuantifierPusher]: treesize reduction 100, result has 28.1 percent of original size [2021-03-24 14:55:35,967 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-24 14:55:35,968 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:55:35,968 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:55:35,968 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:35,969 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,969 INFO L142 QuantifierPusher]: treesize reduction 34, result has 77.0 percent of original size [2021-03-24 14:55:35,969 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:35,970 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,970 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:35,970 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:55:35,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:55:35,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:55:35,973 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:55:35,974 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,974 INFO L142 QuantifierPusher]: treesize reduction 43, result has 60.6 percent of original size [2021-03-24 14:55:35,974 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:35,975 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:35,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:35,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:55:35,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 14:55:35,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:35,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:35,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:36,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 14:55:36,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 14:55:36,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-24 14:55:36,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 14:55:36,019 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:36,019 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:36,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:36,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:55:36,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:55:36,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-03-24 14:55:36,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,023 INFO L142 QuantifierPusher]: treesize reduction 7, result has 93.0 percent of original size [2021-03-24 14:55:36,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:55:36,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-03-24 14:55:36,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:36,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,032 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:36,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,036 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:55:36,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:36,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:36,040 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:36,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,045 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:36,049 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:36,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,054 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:36,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:36,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:36,058 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:36,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,062 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:36,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,066 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:36,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:36,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:36,071 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:55:36,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:36,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:36,075 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:36,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,079 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:36,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,083 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:36,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,093 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:36,098 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:36,101 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:36,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,105 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:36,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,109 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:36,293 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-24 14:55:36,293 INFO L628 ElimStorePlain]: treesize reduction 45, result has 83.1 percent of original size [2021-03-24 14:55:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:36,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-24 14:55:36,295 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 1 variables, input treesize:787, output treesize:222 [2021-03-24 14:55:36,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:36,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:36,404 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.6 percent of original size [2021-03-24 14:55:36,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:55:36,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:55:36,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:55:36,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:55:36,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-03-24 14:55:36,413 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.2 percent of original size [2021-03-24 14:55:36,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,414 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 11, 1] term [2021-03-24 14:55:36,414 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:55:36,415 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,416 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:55:36,416 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:36,416 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,417 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-24 14:55:36,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:36,418 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,418 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:55:36,419 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 14:55:36,419 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:36,420 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,420 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:55:36,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,421 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:36,421 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,422 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 14:55:36,424 INFO L147 QuantifierPusher]: treesize reduction 71, result has 75.4 percent of original size 218 [2021-03-24 14:55:36,424 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:55:36,425 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,426 INFO L142 QuantifierPusher]: treesize reduction 194, result has 42.4 percent of original size [2021-03-24 14:55:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:55:36,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:55:36,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 14:55:36,507 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-03-24 14:55:36,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:55:36,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 14:55:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-24 14:55:36,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,509 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:36,510 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,510 INFO L142 QuantifierPusher]: treesize reduction 119, result has 27.0 percent of original size [2021-03-24 14:55:36,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:55:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:55:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 14:55:36,537 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-24 14:55:36,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:36,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:55:36,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:36,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:55:36,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 14:55:36,541 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 14:55:36,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,542 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 14:55:36,542 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:36,543 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,544 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:36,544 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:36,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,547 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:36,547 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,548 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:55:36,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:36,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:55:36,550 INFO L147 QuantifierPusher]: treesize reduction 30, result has 47.4 percent of original size 27 [2021-03-24 14:55:36,550 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:36,550 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:36,551 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.0 percent of original size [2021-03-24 14:55:36,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:36,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:36,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:36,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:55:36,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:55:36,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:55:36,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438961723] [2021-03-24 14:55:36,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:55:36,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:55:36,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:55:36,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:55:36,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:55:36,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 979 places, 1517 transitions, 64624 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:36,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:55:36,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:55:36,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:55:37,295 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-03-24 14:55:37,809 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2021-03-24 14:55:38,025 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2021-03-24 14:55:38,932 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2021-03-24 14:55:39,059 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-03-24 14:55:39,220 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2021-03-24 14:55:44,218 INFO L129 PetriNetUnfolder]: 3695/8040 cut-off events. [2021-03-24 14:55:44,218 INFO L130 PetriNetUnfolder]: For 1130117/1130169 co-relation queries the response was YES. [2021-03-24 14:55:44,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139654 conditions, 8040 events. 3695/8040 cut-off events. For 1130117/1130169 co-relation queries the response was YES. Maximal size of possible extension queue 842. Compared 77746 event pairs, 811 based on Foata normal form. 10/8042 useless extension candidates. Maximal degree in co-relation 139261. Up to 4263 conditions per place. [2021-03-24 14:55:44,454 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 920 selfloop transitions, 653 changer transitions 5/1584 dead transitions. [2021-03-24 14:55:44,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1584 transitions, 70550 flow [2021-03-24 14:55:44,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 14:55:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 14:55:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 302 transitions. [2021-03-24 14:55:44,455 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6508620689655172 [2021-03-24 14:55:44,455 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 302 transitions. [2021-03-24 14:55:44,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 302 transitions. [2021-03-24 14:55:44,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:55:44,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 302 transitions. [2021-03-24 14:55:44,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 18.875) internal successors, (302), 16 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:44,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:44,456 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:44,456 INFO L185 Difference]: Start difference. First operand has 979 places, 1517 transitions, 64624 flow. Second operand 16 states and 302 transitions. [2021-03-24 14:55:44,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1584 transitions, 70550 flow [2021-03-24 14:55:51,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 990 places, 1584 transitions, 68750 flow, removed 564 selfloop flow, removed 3 redundant places. [2021-03-24 14:55:51,743 INFO L241 Difference]: Finished difference. Result has 998 places, 1557 transitions, 65985 flow [2021-03-24 14:55:51,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=62892, PETRI_DIFFERENCE_MINUEND_PLACES=975, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=625, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=885, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=65985, PETRI_PLACES=998, PETRI_TRANSITIONS=1557} [2021-03-24 14:55:51,743 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 975 predicate places. [2021-03-24 14:55:51,744 INFO L480 AbstractCegarLoop]: Abstraction has has 998 places, 1557 transitions, 65985 flow [2021-03-24 14:55:51,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:51,744 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 14:55:51,744 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 14:55:51,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable897,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:55:51,944 INFO L428 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 14:55:51,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 14:55:51,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1246037097, now seen corresponding path program 41 times [2021-03-24 14:55:51,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 14:55:51,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571505971] [2021-03-24 14:55:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 14:55:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 14:55:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 14:55:51,967 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 14:55:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 14:55:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:51,995 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size [2021-03-24 14:55:51,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:55:52,030 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-24 14:55:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:55:52,051 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 14:55:52,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 14:55:52,071 INFO L142 QuantifierPusher]: treesize reduction 33, result has 41.1 percent of original size [2021-03-24 14:55:52,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 14:55:52,085 INFO L142 QuantifierPusher]: treesize reduction 33, result has 34.0 percent of original size [2021-03-24 14:55:52,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:55:52,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571505971] [2021-03-24 14:55:52,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672086526] [2021-03-24 14:55:52,098 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 14:55:52,133 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 14:55:52,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 14:55:52,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-24 14:55:52,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 14:55:52,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 14:55:52,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,157 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-24 14:55:52,157 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-24 14:55:52,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:52,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:52,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 14:55:52,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:52,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:52,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:52,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:52,202 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.7 percent of original size [2021-03-24 14:55:52,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:52,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 14:55:52,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:55:52,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 14:55:52,206 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.1 percent of original size [2021-03-24 14:55:52,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,208 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.9 percent of original size 53 [2021-03-24 14:55:52,208 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,208 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,209 INFO L142 QuantifierPusher]: treesize reduction 39, result has 71.9 percent of original size [2021-03-24 14:55:52,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:52,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:55:52,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 14:55:52,253 INFO L142 QuantifierPusher]: treesize reduction 11, result has 92.4 percent of original size [2021-03-24 14:55:52,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:52,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-24 14:55:52,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-03-24 14:55:52,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-03-24 14:55:52,258 INFO L142 QuantifierPusher]: treesize reduction 42, result has 83.1 percent of original size [2021-03-24 14:55:52,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,259 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.1 percent of original size [2021-03-24 14:55:52,259 INFO L147 QuantifierPusher]: treesize reduction 11, result has 85.5 percent of original size 65 [2021-03-24 14:55:52,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,260 INFO L142 QuantifierPusher]: treesize reduction 11, result has 90.5 percent of original size [2021-03-24 14:55:52,260 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,260 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,261 INFO L142 QuantifierPusher]: treesize reduction 50, result has 65.0 percent of original size [2021-03-24 14:55:52,261 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:55:52,261 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,262 INFO L142 QuantifierPusher]: treesize reduction 70, result has 47.8 percent of original size [2021-03-24 14:55:52,262 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:52,263 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,263 INFO L142 QuantifierPusher]: treesize reduction 15, result has 59.5 percent of original size [2021-03-24 14:55:52,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,264 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size 45 [2021-03-24 14:55:52,265 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.0 percent of original size 63 [2021-03-24 14:55:52,265 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.0 percent of original size 63 [2021-03-24 14:55:52,266 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 14:55:52,266 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,267 INFO L142 QuantifierPusher]: treesize reduction 57, result has 73.4 percent of original size [2021-03-24 14:55:52,267 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,267 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:52,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 14:55:52,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 14:55:52,270 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:55:52,270 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,271 INFO L142 QuantifierPusher]: treesize reduction 15, result has 85.0 percent of original size [2021-03-24 14:55:52,271 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,271 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:52,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:52,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:55:52,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:55:52,274 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,275 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,280 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,281 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:52,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:55:52,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 14:55:52,284 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,284 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:52,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:52,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 14:55:52,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 14:55:52,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 14:55:52,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 14:55:52,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 14:55:52,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 14:55:52,289 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:52,290 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,290 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 14:55:52,290 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,291 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-24 14:55:52,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:52,292 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,292 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:52,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 14:55:52,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 14:55:52,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 14:55:52,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 14:55:52,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 14:55:52,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 14:55:52,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 14:55:52,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-03-24 14:55:52,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,299 INFO L142 QuantifierPusher]: treesize reduction 7, result has 94.1 percent of original size [2021-03-24 14:55:52,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-24 14:55:52,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-03-24 14:55:52,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:55:52,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:52,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:52,313 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,318 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:52,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,324 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,331 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,336 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,342 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 14:55:52,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:52,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 14:55:52,346 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,352 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,357 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,362 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:52,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,369 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,377 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,384 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:52,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,390 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:52,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,398 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:52,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,404 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-03-24 14:55:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 14:55:52,411 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:52,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,418 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:52,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,424 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-03-24 14:55:52,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,431 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:52,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,437 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:52,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,442 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:52,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,449 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:52,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,454 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:52,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,459 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,464 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-03-24 14:55:52,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 14:55:52,469 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:52,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,474 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-03-24 14:55:52,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,480 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-03-24 14:55:52,670 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2021-03-24 14:55:52,671 INFO L628 ElimStorePlain]: treesize reduction 99, result has 69.2 percent of original size [2021-03-24 14:55:52,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:52,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-24 14:55:52,673 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 1 variables, input treesize:1327, output treesize:222 [2021-03-24 14:55:52,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:52,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-03-24 14:55:52,782 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.6 percent of original size [2021-03-24 14:55:52,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:55:52,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:55:52,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-03-24 14:55:52,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-03-24 14:55:52,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-03-24 14:55:52,791 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.2 percent of original size [2021-03-24 14:55:52,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,792 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 11, 1] term [2021-03-24 14:55:52,792 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-24 14:55:52,793 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,794 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:55:52,794 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:52,795 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,796 INFO L147 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size 8 [2021-03-24 14:55:52,796 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,796 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,797 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 14:55:52,798 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 14:55:52,798 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,799 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size [2021-03-24 14:55:52,799 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 14:55:52,801 INFO L147 QuantifierPusher]: treesize reduction 66, result has 76.8 percent of original size 219 [2021-03-24 14:55:52,801 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:52,801 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,803 INFO L142 QuantifierPusher]: treesize reduction 454, result has 21.6 percent of original size [2021-03-24 14:55:52,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:55:52,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:55:52,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 14:55:52,884 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.0 percent of original size [2021-03-24 14:55:52,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:55:52,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:55:52,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 14:55:52,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 14:55:52,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 14:55:52,889 INFO L142 QuantifierPusher]: treesize reduction 2, result has 98.1 percent of original size [2021-03-24 14:55:52,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,890 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 1] term [2021-03-24 14:55:52,890 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:55:52,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,891 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:52,891 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,891 INFO L142 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size [2021-03-24 14:55:52,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 14:55:52,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,894 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-24 14:55:52,895 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:52,895 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,897 INFO L147 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size 11 [2021-03-24 14:55:52,897 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:52,897 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 14:55:52,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 14:55:52,899 INFO L147 QuantifierPusher]: treesize reduction 35, result has 71.8 percent of original size 89 [2021-03-24 14:55:52,900 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-24 14:55:52,900 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,901 INFO L142 QuantifierPusher]: treesize reduction 78, result has 47.3 percent of original size [2021-03-24 14:55:52,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:55:52,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:55:52,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 14:55:52,930 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 14:55:52,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:55:52,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 14:55:52,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 14:55:52,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,932 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 14:55:52,933 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 14:55:52,933 INFO L142 QuantifierPusher]: treesize reduction 61, result has 31.5 percent of original size [2021-03-24 14:55:52,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:52,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:52,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 14:55:52,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 14:55:52,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 14:55:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 14:55:52,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 14:55:52,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 14:55:52,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032138578] [2021-03-24 14:55:52,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 14:55:52,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 14:55:52,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 14:55:52,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-03-24 14:55:52,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 29 [2021-03-24 14:55:52,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 998 places, 1557 transitions, 65985 flow. Second operand has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:55:52,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 14:55:52,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 29 [2021-03-24 14:55:52,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 14:55:53,834 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-03-24 14:55:54,482 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-03-24 14:55:54,674 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-03-24 14:55:55,535 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2021-03-24 14:55:55,866 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2021-03-24 14:55:56,061 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2021-03-24 14:56:01,313 INFO L129 PetriNetUnfolder]: 3739/8206 cut-off events. [2021-03-24 14:56:01,313 INFO L130 PetriNetUnfolder]: For 1080554/1080607 co-relation queries the response was YES. [2021-03-24 14:56:01,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138514 conditions, 8206 events. 3739/8206 cut-off events. For 1080554/1080607 co-relation queries the response was YES. Maximal size of possible extension queue 883. Compared 80199 event pairs, 810 based on Foata normal form. 11/8209 useless extension candidates. Maximal degree in co-relation 138113. Up to 4329 conditions per place. [2021-03-24 14:56:01,543 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 952 selfloop transitions, 671 changer transitions 5/1634 dead transitions. [2021-03-24 14:56:01,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1014 places, 1634 transitions, 72462 flow [2021-03-24 14:56:01,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 14:56:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 14:56:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 340 transitions. [2021-03-24 14:56:01,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6513409961685823 [2021-03-24 14:56:01,544 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 340 transitions. [2021-03-24 14:56:01,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 340 transitions. [2021-03-24 14:56:01,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 14:56:01,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 340 transitions. [2021-03-24 14:56:01,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 18.88888888888889) internal successors, (340), 18 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:56:01,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:56:01,545 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 14:56:01,545 INFO L185 Difference]: Start difference. First operand has 998 places, 1557 transitions, 65985 flow. Second operand 18 states and 340 transitions. [2021-03-24 14:56:01,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1014 places, 1634 transitions, 72462 flow Received shutdown request... [2021-03-24 14:56:04,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable918 [2021-03-24 14:56:04,130 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-24 14:56:04,133 WARN L224 ceAbstractionStarter]: Timeout [2021-03-24 14:56:04,133 INFO L202 PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 02:56:04 BasicIcfg [2021-03-24 14:56:04,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 14:56:04,133 INFO L168 Benchmark]: Toolchain (without parser) took 811137.45 ms. Allocated memory was 255.9 MB in the beginning and 12.1 GB in the end (delta: 11.9 GB). Free memory was 236.4 MB in the beginning and 7.7 GB in the end (delta: -7.5 GB). Peak memory consumption was 4.8 GB. Max. memory is 16.0 GB. [2021-03-24 14:56:04,134 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 157.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 14:56:04,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.81 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 14:56:04,134 INFO L168 Benchmark]: Boogie Preprocessor took 15.21 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 14:56:04,134 INFO L168 Benchmark]: RCFGBuilder took 579.73 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 217.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.0 GB. [2021-03-24 14:56:04,134 INFO L168 Benchmark]: TraceAbstraction took 810502.81 ms. Allocated memory was 255.9 MB in the beginning and 12.1 GB in the end (delta: 11.9 GB). Free memory was 216.4 MB in the beginning and 7.7 GB in the end (delta: -7.5 GB). Peak memory consumption was 4.8 GB. Max. memory is 16.0 GB. [2021-03-24 14:56:04,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 157.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.81 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.21 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 579.73 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 217.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 810502.81 ms. Allocated memory was 255.9 MB in the beginning and 12.1 GB in the end (delta: 11.9 GB). Free memory was 216.4 MB in the beginning and 7.7 GB in the end (delta: -7.5 GB). Peak memory consumption was 4.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 271.1ms, 27 PlacesBefore, 23 PlacesAfterwards, 20 TransitionsBefore, 16 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 30, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 114). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 810397.7ms, OverallIterations: 231, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 752264.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 344.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1636 SDtfs, 5881 SDslu, 846 SDs, 0 SdLazy, 37619 SolverSat, 1523 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15415.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4011 GetRequests, 1090 SyntacticMatches, 44 SemanticMatches, 2877 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4484 ImplicationChecksByTransitivity, 69645.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=65985occurred in iteration=230, InterpolantAutomatonStates: 1839, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 472.8ms SsaConstructionTime, 1223.8ms SatisfiabilityAnalysisTime, 36107.7ms InterpolantComputationTime, 4503 NumberOfCodeBlocks, 4503 NumberOfCodeBlocksAsserted, 380 NumberOfCheckSat, 4186 ConstructedInterpolants, 0 QuantifiedInterpolants, 44677 SizeOfPredicates, 717 NumberOfNonLiveVariables, 6096 ConjunctsInSsa, 1761 ConjunctsInUnsatCore, 317 InterpolantComputations, 174 PerfectInterpolantSequences, 158/382 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown