/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/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 15:23:31,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 15:23:31,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 15:23:31,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 15:23:31,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 15:23:31,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 15:23:31,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 15:23:31,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 15:23:31,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 15:23:31,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 15:23:31,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 15:23:31,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 15:23:31,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 15:23:31,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 15:23:31,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 15:23:31,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 15:23:31,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 15:23:31,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 15:23:31,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 15:23:31,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 15:23:31,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 15:23:31,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 15:23:31,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 15:23:31,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 15:23:31,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 15:23:31,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 15:23:31,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 15:23:31,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 15:23:31,841 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 15:23:31,863 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 15:23:31,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 15:23:31,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 15:23:31,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 15:23:31,865 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 15:23:31,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 15:23:31,865 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 15:23:31,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 15:23:31,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 15:23:31,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 15:23:31,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 15:23:31,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 15:23:31,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 15:23:31,866 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 15:23:31,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 15:23:31,866 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 15:23:31,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 15:23:31,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 15:23:31,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 15:23:31,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 15:23:31,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 15:23:31,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 15:23:31,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 15:23:31,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 15:23:31,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 15:23:31,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 15:23:31,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 15:23:31,868 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 15:23:31,868 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 15:23:31,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 15:23:32,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 15:23:32,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 15:23:32,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 15:23:32,198 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-24 15:23:32,199 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-24 15:23:32,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2021-03-24 15:23:32,201 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2021-03-24 15:23:32,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 15:23:32,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-24 15:23:32,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 15:23:32,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 15:23:32,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 15:23:32,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 15:23:32,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 15:23:32,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 15:23:32,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 15:23:32,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/1) ... [2021-03-24 15:23:32,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 15:23:32,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 15:23:32,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 15:23:32,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 15:23:32,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (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 15:23:32,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-24 15:23:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-24 15:23:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-24 15:23:32,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-24 15:23:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-24 15:23:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-24 15:23:32,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-24 15:23:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 15:23:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 15:23:32,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-24 15:23:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-24 15:23:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-24 15:23:32,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-24 15:23:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-24 15:23:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-24 15:23:32,356 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 15:23:32,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 15:23:32,597 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-03-24 15:23:32,598 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-03-24 15:23:32,598 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-03-24 15:23:32,599 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-03-24 15:23:32,600 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 03:23:32 BoogieIcfgContainer [2021-03-24 15:23:32,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 15:23:32,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 15:23:32,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 15:23:32,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 15:23:32,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:23:32" (1/2) ... [2021-03-24 15:23:32,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382234a2 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 03:23:32, skipping insertion in model container [2021-03-24 15:23:32,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 03:23:32" (2/2) ... [2021-03-24 15:23:32,605 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2021-03-24 15:23:32,609 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 15:23:32,612 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 15:23:32,613 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 15:23:32,687 INFO L149 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2021-03-24 15:23:32,718 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-24 15:23:32,744 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 15:23:32,744 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 15:23:32,744 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 15:23:32,744 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 15:23:32,744 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 15:23:32,745 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 15:23:32,745 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 15:23:32,745 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 15:23:32,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 33 transitions, 110 flow [2021-03-24 15:23:32,796 INFO L129 PetriNetUnfolder]: 5/26 cut-off events. [2021-03-24 15:23:32,796 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-24 15:23:32,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 26 events. 5/26 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 28 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 29. Up to 3 conditions per place. [2021-03-24 15:23:32,799 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 33 transitions, 110 flow [2021-03-24 15:23:32,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 24 transitions, 78 flow [2021-03-24 15:23:32,803 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 15:23:32,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 24 transitions, 78 flow [2021-03-24 15:23:32,820 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 24 transitions, 78 flow [2021-03-24 15:23:32,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 24 transitions, 78 flow [2021-03-24 15:23:32,840 INFO L129 PetriNetUnfolder]: 5/24 cut-off events. [2021-03-24 15:23:32,840 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-24 15:23:32,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 24 events. 5/24 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 34 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 29. Up to 3 conditions per place. [2021-03-24 15:23:32,844 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-24 15:23:32,950 INFO L154 LiptonReduction]: Checked pairs total: 87 [2021-03-24 15:23:32,950 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-24 15:23:32,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-03-24 15:23:32,967 INFO L129 PetriNetUnfolder]: 5/21 cut-off events. [2021-03-24 15:23:32,967 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-24 15:23:32,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:32,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:32,968 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:32,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:32,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1418191497, now seen corresponding path program 1 times [2021-03-24 15:23:32,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:32,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277137168] [2021-03-24 15:23:32,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:33,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,113 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:33,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:33,122 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 15:23:33,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277137168] [2021-03-24 15:23:33,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:33,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 15:23:33,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886634950] [2021-03-24 15:23:33,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 15:23:33,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:33,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 15:23:33,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 15:23:33,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 37 [2021-03-24 15:23:33,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 22 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:33,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 37 [2021-03-24 15:23:33,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:33,190 INFO L129 PetriNetUnfolder]: 29/82 cut-off events. [2021-03-24 15:23:33,191 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-03-24 15:23:33,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 82 events. 29/82 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 248 event pairs, 2 based on Foata normal form. 1/65 useless extension candidates. Maximal degree in co-relation 132. Up to 22 conditions per place. [2021-03-24 15:23:33,193 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 7 selfloop transitions, 7 changer transitions 0/30 dead transitions. [2021-03-24 15:23:33,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 118 flow [2021-03-24 15:23:33,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 15:23:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 15:23:33,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 127 transitions. [2021-03-24 15:23:33,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8581081081081081 [2021-03-24 15:23:33,204 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 127 transitions. [2021-03-24 15:23:33,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 127 transitions. [2021-03-24 15:23:33,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:33,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 127 transitions. [2021-03-24 15:23:33,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 31.75) internal successors, (127), 4 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 15:23:33,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,213 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,214 INFO L185 Difference]: Start difference. First operand has 30 places, 22 transitions, 74 flow. Second operand 4 states and 127 transitions. [2021-03-24 15:23:33,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 118 flow [2021-03-24 15:23:33,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 98 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-24 15:23:33,220 INFO L241 Difference]: Finished difference. Result has 27 places, 28 transitions, 99 flow [2021-03-24 15:23:33,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=99, PETRI_PLACES=27, PETRI_TRANSITIONS=28} [2021-03-24 15:23:33,222 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, -3 predicate places. [2021-03-24 15:23:33,222 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 28 transitions, 99 flow [2021-03-24 15:23:33,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:33,223 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:33,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 15:23:33,223 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:33,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:33,224 INFO L82 PathProgramCache]: Analyzing trace with hash 745227334, now seen corresponding path program 1 times [2021-03-24 15:23:33,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:33,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824895525] [2021-03-24 15:23:33,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:33,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,274 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:33,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:33,282 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 15:23:33,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824895525] [2021-03-24 15:23:33,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:33,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 15:23:33,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724674379] [2021-03-24 15:23:33,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 15:23:33,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:33,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 15:23:33,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 15:23:33,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 37 [2021-03-24 15:23:33,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 28 transitions, 99 flow. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:33,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 37 [2021-03-24 15:23:33,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:33,335 INFO L129 PetriNetUnfolder]: 36/100 cut-off events. [2021-03-24 15:23:33,335 INFO L130 PetriNetUnfolder]: For 32/48 co-relation queries the response was YES. [2021-03-24 15:23:33,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 100 events. 36/100 cut-off events. For 32/48 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 331 event pairs, 0 based on Foata normal form. 6/85 useless extension candidates. Maximal degree in co-relation 172. Up to 26 conditions per place. [2021-03-24 15:23:33,337 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 12 selfloop transitions, 8 changer transitions 0/36 dead transitions. [2021-03-24 15:23:33,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 36 transitions, 174 flow [2021-03-24 15:23:33,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 15:23:33,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 15:23:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 127 transitions. [2021-03-24 15:23:33,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8581081081081081 [2021-03-24 15:23:33,340 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 127 transitions. [2021-03-24 15:23:33,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 127 transitions. [2021-03-24 15:23:33,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:33,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 127 transitions. [2021-03-24 15:23:33,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 31.75) internal successors, (127), 4 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 15:23:33,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,343 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,343 INFO L185 Difference]: Start difference. First operand has 27 places, 28 transitions, 99 flow. Second operand 4 states and 127 transitions. [2021-03-24 15:23:33,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 36 transitions, 174 flow [2021-03-24 15:23:33,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 36 transitions, 174 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 15:23:33,346 INFO L241 Difference]: Finished difference. Result has 32 places, 33 transitions, 159 flow [2021-03-24 15:23:33,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=159, PETRI_PLACES=32, PETRI_TRANSITIONS=33} [2021-03-24 15:23:33,347 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2021-03-24 15:23:33,347 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 33 transitions, 159 flow [2021-03-24 15:23:33,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,347 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:33,347 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:33,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 15:23:33,347 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:33,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:33,348 INFO L82 PathProgramCache]: Analyzing trace with hash 87858481, now seen corresponding path program 1 times [2021-03-24 15:23:33,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:33,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580995840] [2021-03-24 15:23:33,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:33,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:23:33,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,418 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 15:23:33,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580995840] [2021-03-24 15:23:33,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727610816] [2021-03-24 15:23:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 15:23:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:33,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-24 15:23:33,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:33,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:33,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:33,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:33,610 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:23:33,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:33,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:33,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:33,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:33,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:33,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:33,660 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 15:23:33,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:33,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-24 15:23:33,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690534324] [2021-03-24 15:23:33,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 15:23:33,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:33,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 15:23:33,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 15:23:33,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:33,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 33 transitions, 159 flow. Second operand has 7 states, 7 states have (on average 28.428571428571427) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:33,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:33,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:33,806 INFO L129 PetriNetUnfolder]: 279/483 cut-off events. [2021-03-24 15:23:33,806 INFO L130 PetriNetUnfolder]: For 408/419 co-relation queries the response was YES. [2021-03-24 15:23:33,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 483 events. 279/483 cut-off events. For 408/419 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2189 event pairs, 42 based on Foata normal form. 3/358 useless extension candidates. Maximal degree in co-relation 1141. Up to 266 conditions per place. [2021-03-24 15:23:33,814 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 21 selfloop transitions, 10 changer transitions 0/51 dead transitions. [2021-03-24 15:23:33,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 51 transitions, 284 flow [2021-03-24 15:23:33,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 15:23:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 15:23:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 162 transitions. [2021-03-24 15:23:33,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8756756756756757 [2021-03-24 15:23:33,821 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 162 transitions. [2021-03-24 15:23:33,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 162 transitions. [2021-03-24 15:23:33,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:33,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 162 transitions. [2021-03-24 15:23:33,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,829 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,829 INFO L185 Difference]: Start difference. First operand has 32 places, 33 transitions, 159 flow. Second operand 5 states and 162 transitions. [2021-03-24 15:23:33,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 51 transitions, 284 flow [2021-03-24 15:23:33,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 51 transitions, 280 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-03-24 15:23:33,838 INFO L241 Difference]: Finished difference. Result has 39 places, 41 transitions, 231 flow [2021-03-24 15:23:33,838 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=231, PETRI_PLACES=39, PETRI_TRANSITIONS=41} [2021-03-24 15:23:33,838 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 9 predicate places. [2021-03-24 15:23:33,838 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 41 transitions, 231 flow [2021-03-24 15:23:33,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 28.428571428571427) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:33,839 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:33,839 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:34,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-24 15:23:34,061 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:34,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:34,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1230036233, now seen corresponding path program 2 times [2021-03-24 15:23:34,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:34,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520474536] [2021-03-24 15:23:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:34,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,102 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 15:23:34,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520474536] [2021-03-24 15:23:34,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:34,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 15:23:34,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305347650] [2021-03-24 15:23:34,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:23:34,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:34,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:23:34,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:23:34,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:34,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 41 transitions, 231 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:34,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:34,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:34,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:34,236 INFO L129 PetriNetUnfolder]: 301/548 cut-off events. [2021-03-24 15:23:34,236 INFO L130 PetriNetUnfolder]: For 795/831 co-relation queries the response was YES. [2021-03-24 15:23:34,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1642 conditions, 548 events. 301/548 cut-off events. For 795/831 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 2744 event pairs, 38 based on Foata normal form. 24/540 useless extension candidates. Maximal degree in co-relation 1589. Up to 149 conditions per place. [2021-03-24 15:23:34,243 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 44 selfloop transitions, 26 changer transitions 0/90 dead transitions. [2021-03-24 15:23:34,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 90 transitions, 637 flow [2021-03-24 15:23:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 15:23:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 15:23:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 226 transitions. [2021-03-24 15:23:34,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8725868725868726 [2021-03-24 15:23:34,246 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 226 transitions. [2021-03-24 15:23:34,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 226 transitions. [2021-03-24 15:23:34,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:34,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 226 transitions. [2021-03-24 15:23:34,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 32.285714285714285) internal successors, (226), 7 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 15:23:34,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,248 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,248 INFO L185 Difference]: Start difference. First operand has 39 places, 41 transitions, 231 flow. Second operand 7 states and 226 transitions. [2021-03-24 15:23:34,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 90 transitions, 637 flow [2021-03-24 15:23:34,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 90 transitions, 637 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 15:23:34,253 INFO L241 Difference]: Finished difference. Result has 49 places, 65 transitions, 498 flow [2021-03-24 15:23:34,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=498, PETRI_PLACES=49, PETRI_TRANSITIONS=65} [2021-03-24 15:23:34,253 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 19 predicate places. [2021-03-24 15:23:34,253 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 65 transitions, 498 flow [2021-03-24 15:23:34,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:34,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:34,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:34,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 15:23:34,254 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:34,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:34,254 INFO L82 PathProgramCache]: Analyzing trace with hash 791543895, now seen corresponding path program 3 times [2021-03-24 15:23:34,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:34,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075844314] [2021-03-24 15:23:34,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:34,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:23:34,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,321 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 15:23:34,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075844314] [2021-03-24 15:23:34,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:34,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 15:23:34,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670181661] [2021-03-24 15:23:34,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:23:34,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:34,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:23:34,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:23:34,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:34,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 65 transitions, 498 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:34,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:34,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:34,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:34,445 INFO L129 PetriNetUnfolder]: 308/562 cut-off events. [2021-03-24 15:23:34,445 INFO L130 PetriNetUnfolder]: For 1703/1770 co-relation queries the response was YES. [2021-03-24 15:23:34,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2201 conditions, 562 events. 308/562 cut-off events. For 1703/1770 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 2799 event pairs, 15 based on Foata normal form. 19/550 useless extension candidates. Maximal degree in co-relation 2144. Up to 194 conditions per place. [2021-03-24 15:23:34,453 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 63 selfloop transitions, 16 changer transitions 0/99 dead transitions. [2021-03-24 15:23:34,453 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 99 transitions, 909 flow [2021-03-24 15:23:34,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 15:23:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 15:23:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 161 transitions. [2021-03-24 15:23:34,454 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8702702702702703 [2021-03-24 15:23:34,454 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 161 transitions. [2021-03-24 15:23:34,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 161 transitions. [2021-03-24 15:23:34,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:34,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 161 transitions. [2021-03-24 15:23:34,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,457 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,458 INFO L185 Difference]: Start difference. First operand has 49 places, 65 transitions, 498 flow. Second operand 5 states and 161 transitions. [2021-03-24 15:23:34,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 99 transitions, 909 flow [2021-03-24 15:23:34,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 99 transitions, 909 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 15:23:34,465 INFO L241 Difference]: Finished difference. Result has 55 places, 70 transitions, 609 flow [2021-03-24 15:23:34,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=609, PETRI_PLACES=55, PETRI_TRANSITIONS=70} [2021-03-24 15:23:34,465 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 25 predicate places. [2021-03-24 15:23:34,465 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 70 transitions, 609 flow [2021-03-24 15:23:34,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:34,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:34,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:34,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 15:23:34,466 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:34,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:34,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1245986315, now seen corresponding path program 4 times [2021-03-24 15:23:34,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:34,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457039038] [2021-03-24 15:23:34,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:34,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,516 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 15:23:34,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457039038] [2021-03-24 15:23:34,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:34,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 15:23:34,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591147654] [2021-03-24 15:23:34,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:23:34,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:34,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:23:34,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:23:34,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:34,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 70 transitions, 609 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:34,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:34,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:34,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:34,664 INFO L129 PetriNetUnfolder]: 356/702 cut-off events. [2021-03-24 15:23:34,664 INFO L130 PetriNetUnfolder]: For 2626/2766 co-relation queries the response was YES. [2021-03-24 15:23:34,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2617 conditions, 702 events. 356/702 cut-off events. For 2626/2766 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 3863 event pairs, 38 based on Foata normal form. 36/690 useless extension candidates. Maximal degree in co-relation 2537. Up to 197 conditions per place. [2021-03-24 15:23:34,673 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 37 selfloop transitions, 44 changer transitions 0/101 dead transitions. [2021-03-24 15:23:34,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 101 transitions, 993 flow [2021-03-24 15:23:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:23:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:23:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 258 transitions. [2021-03-24 15:23:34,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8716216216216216 [2021-03-24 15:23:34,675 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 258 transitions. [2021-03-24 15:23:34,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 258 transitions. [2021-03-24 15:23:34,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:34,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 258 transitions. [2021-03-24 15:23:34,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 32.25) internal successors, (258), 8 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,677 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,677 INFO L185 Difference]: Start difference. First operand has 55 places, 70 transitions, 609 flow. Second operand 8 states and 258 transitions. [2021-03-24 15:23:34,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 101 transitions, 993 flow [2021-03-24 15:23:34,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 101 transitions, 972 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-24 15:23:34,684 INFO L241 Difference]: Finished difference. Result has 66 places, 83 transitions, 867 flow [2021-03-24 15:23:34,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=867, PETRI_PLACES=66, PETRI_TRANSITIONS=83} [2021-03-24 15:23:34,685 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 36 predicate places. [2021-03-24 15:23:34,685 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 83 transitions, 867 flow [2021-03-24 15:23:34,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:34,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:34,685 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:34,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 15:23:34,686 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:34,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:34,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2044318707, now seen corresponding path program 5 times [2021-03-24 15:23:34,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:34,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652530622] [2021-03-24 15:23:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:34,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,712 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 15:23:34,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652530622] [2021-03-24 15:23:34,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:34,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 15:23:34,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472318188] [2021-03-24 15:23:34,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:23:34,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:34,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:23:34,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:23:34,714 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:34,714 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 83 transitions, 867 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:34,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:34,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:34,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:34,852 INFO L129 PetriNetUnfolder]: 326/684 cut-off events. [2021-03-24 15:23:34,853 INFO L130 PetriNetUnfolder]: For 3399/3476 co-relation queries the response was YES. [2021-03-24 15:23:34,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3078 conditions, 684 events. 326/684 cut-off events. For 3399/3476 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 3986 event pairs, 10 based on Foata normal form. 30/667 useless extension candidates. Maximal degree in co-relation 2985. Up to 175 conditions per place. [2021-03-24 15:23:34,861 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 56 selfloop transitions, 33 changer transitions 0/109 dead transitions. [2021-03-24 15:23:34,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 109 transitions, 1294 flow [2021-03-24 15:23:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 15:23:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 15:23:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 192 transitions. [2021-03-24 15:23:34,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8648648648648649 [2021-03-24 15:23:34,863 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 192 transitions. [2021-03-24 15:23:34,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 192 transitions. [2021-03-24 15:23:34,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:34,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 192 transitions. [2021-03-24 15:23:34,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,864 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:34,864 INFO L185 Difference]: Start difference. First operand has 66 places, 83 transitions, 867 flow. Second operand 6 states and 192 transitions. [2021-03-24 15:23:34,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 109 transitions, 1294 flow [2021-03-24 15:23:34,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 109 transitions, 1251 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-24 15:23:34,876 INFO L241 Difference]: Finished difference. Result has 73 places, 93 transitions, 1066 flow [2021-03-24 15:23:34,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1066, PETRI_PLACES=73, PETRI_TRANSITIONS=93} [2021-03-24 15:23:34,876 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 43 predicate places. [2021-03-24 15:23:34,876 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 93 transitions, 1066 flow [2021-03-24 15:23:34,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:34,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:34,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:34,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 15:23:34,877 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:34,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1148276975, now seen corresponding path program 6 times [2021-03-24 15:23:34,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:34,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598748364] [2021-03-24 15:23:34,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:34,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:23:34,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,925 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 15:23:34,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598748364] [2021-03-24 15:23:34,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559777618] [2021-03-24 15:23:34,925 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 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 15:23:34,958 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 15:23:34,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:34,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-24 15:23:34,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:34,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:34,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:34,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:34,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:34,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:34,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:34,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:34,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:34,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:34,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:34,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:35,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,026 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:23:35,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:35,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:35,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:35,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:35,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,055 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 15:23:35,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:35,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-24 15:23:35,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205444401] [2021-03-24 15:23:35,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 15:23:35,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:35,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 15:23:35,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 15:23:35,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:35,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 93 transitions, 1066 flow. Second operand has 7 states, 7 states have (on average 28.428571428571427) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:35,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:35,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:35,185 INFO L129 PetriNetUnfolder]: 307/615 cut-off events. [2021-03-24 15:23:35,186 INFO L130 PetriNetUnfolder]: For 4030/4121 co-relation queries the response was YES. [2021-03-24 15:23:35,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3159 conditions, 615 events. 307/615 cut-off events. For 4030/4121 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 3395 event pairs, 18 based on Foata normal form. 16/593 useless extension candidates. Maximal degree in co-relation 3079. Up to 375 conditions per place. [2021-03-24 15:23:35,194 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 63 selfloop transitions, 32 changer transitions 0/115 dead transitions. [2021-03-24 15:23:35,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 115 transitions, 1514 flow [2021-03-24 15:23:35,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 15:23:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 15:23:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 160 transitions. [2021-03-24 15:23:35,196 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8648648648648649 [2021-03-24 15:23:35,196 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 160 transitions. [2021-03-24 15:23:35,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 160 transitions. [2021-03-24 15:23:35,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:35,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 160 transitions. [2021-03-24 15:23:35,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,198 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,198 INFO L185 Difference]: Start difference. First operand has 73 places, 93 transitions, 1066 flow. Second operand 5 states and 160 transitions. [2021-03-24 15:23:35,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 115 transitions, 1514 flow [2021-03-24 15:23:35,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 115 transitions, 1476 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-24 15:23:35,215 INFO L241 Difference]: Finished difference. Result has 77 places, 105 transitions, 1298 flow [2021-03-24 15:23:35,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1298, PETRI_PLACES=77, PETRI_TRANSITIONS=105} [2021-03-24 15:23:35,216 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 47 predicate places. [2021-03-24 15:23:35,216 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 105 transitions, 1298 flow [2021-03-24 15:23:35,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 28.428571428571427) internal successors, (199), 7 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:35,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:35,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:35,437 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:35,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:35,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1831800629, now seen corresponding path program 1 times [2021-03-24 15:23:35,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:35,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187171748] [2021-03-24 15:23:35,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:35,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:23:35,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,485 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 15:23:35,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187171748] [2021-03-24 15:23:35,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141277019] [2021-03-24 15:23:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 15:23:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:35,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-24 15:23:35,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:35,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:35,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:23:35,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:35,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:23:35,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:35,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:35,608 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:23:35,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:35,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:35,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:35,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:35,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:35,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:35,617 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 15:23:35,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:35,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-24 15:23:35,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059545603] [2021-03-24 15:23:35,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 15:23:35,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:35,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 15:23:35,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-24 15:23:35,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:35,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 105 transitions, 1298 flow. Second operand has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:35,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:35,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:35,776 INFO L129 PetriNetUnfolder]: 348/677 cut-off events. [2021-03-24 15:23:35,776 INFO L130 PetriNetUnfolder]: For 4875/5056 co-relation queries the response was YES. [2021-03-24 15:23:35,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3532 conditions, 677 events. 348/677 cut-off events. For 4875/5056 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 3736 event pairs, 43 based on Foata normal form. 50/678 useless extension candidates. Maximal degree in co-relation 3449. Up to 356 conditions per place. [2021-03-24 15:23:35,787 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 50 selfloop transitions, 49 changer transitions 0/119 dead transitions. [2021-03-24 15:23:35,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 119 transitions, 1653 flow [2021-03-24 15:23:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 15:23:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 15:23:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 159 transitions. [2021-03-24 15:23:35,788 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8594594594594595 [2021-03-24 15:23:35,788 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 159 transitions. [2021-03-24 15:23:35,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 159 transitions. [2021-03-24 15:23:35,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:35,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 159 transitions. [2021-03-24 15:23:35,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,790 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,790 INFO L185 Difference]: Start difference. First operand has 77 places, 105 transitions, 1298 flow. Second operand 5 states and 159 transitions. [2021-03-24 15:23:35,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 119 transitions, 1653 flow [2021-03-24 15:23:35,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 119 transitions, 1613 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 15:23:35,815 INFO L241 Difference]: Finished difference. Result has 81 places, 108 transitions, 1460 flow [2021-03-24 15:23:35,815 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1260, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1460, PETRI_PLACES=81, PETRI_TRANSITIONS=108} [2021-03-24 15:23:35,815 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 51 predicate places. [2021-03-24 15:23:35,816 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 108 transitions, 1460 flow [2021-03-24 15:23:35,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:35,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:35,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:36,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:36,039 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:36,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:36,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1729500131, now seen corresponding path program 2 times [2021-03-24 15:23:36,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:36,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467065360] [2021-03-24 15:23:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:36,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:23:36,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,071 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 15:23:36,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467065360] [2021-03-24 15:23:36,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101134540] [2021-03-24 15:23:36,071 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 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 15:23:36,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:23:36,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:36,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-24 15:23:36,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:36,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:36,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:36,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:36,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:36,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:36,195 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:23:36,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:36,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:36,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:36,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:36,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,204 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 15:23:36,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:36,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-24 15:23:36,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148429058] [2021-03-24 15:23:36,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 15:23:36,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:36,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 15:23:36,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 15:23:36,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:36,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 108 transitions, 1460 flow. Second operand has 7 states, 7 states have (on average 28.571428571428573) internal successors, (200), 7 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:36,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:36,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:36,325 INFO L129 PetriNetUnfolder]: 416/798 cut-off events. [2021-03-24 15:23:36,325 INFO L130 PetriNetUnfolder]: For 6901/7073 co-relation queries the response was YES. [2021-03-24 15:23:36,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4216 conditions, 798 events. 416/798 cut-off events. For 6901/7073 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 4449 event pairs, 45 based on Foata normal form. 49/789 useless extension candidates. Maximal degree in co-relation 4125. Up to 367 conditions per place. [2021-03-24 15:23:36,336 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 72 selfloop transitions, 30 changer transitions 0/122 dead transitions. [2021-03-24 15:23:36,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 122 transitions, 1837 flow [2021-03-24 15:23:36,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 15:23:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 15:23:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 158 transitions. [2021-03-24 15:23:36,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8540540540540541 [2021-03-24 15:23:36,338 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 158 transitions. [2021-03-24 15:23:36,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 158 transitions. [2021-03-24 15:23:36,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:36,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 158 transitions. [2021-03-24 15:23:36,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,339 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,339 INFO L185 Difference]: Start difference. First operand has 81 places, 108 transitions, 1460 flow. Second operand 5 states and 158 transitions. [2021-03-24 15:23:36,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 122 transitions, 1837 flow [2021-03-24 15:23:36,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 122 transitions, 1730 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-03-24 15:23:36,356 INFO L241 Difference]: Finished difference. Result has 84 places, 110 transitions, 1500 flow [2021-03-24 15:23:36,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1332, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1500, PETRI_PLACES=84, PETRI_TRANSITIONS=110} [2021-03-24 15:23:36,357 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 54 predicate places. [2021-03-24 15:23:36,357 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 110 transitions, 1500 flow [2021-03-24 15:23:36,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 28.571428571428573) internal successors, (200), 7 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:36,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:36,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:36,572 INFO L428 AbstractCegarLoop]: === Iteration 11 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:36,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:36,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1249986427, now seen corresponding path program 1 times [2021-03-24 15:23:36,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:36,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041754891] [2021-03-24 15:23:36,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:36,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 15:23:36,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,591 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 15:23:36,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041754891] [2021-03-24 15:23:36,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:36,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 15:23:36,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374930369] [2021-03-24 15:23:36,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 15:23:36,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:36,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 15:23:36,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 15:23:36,593 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 37 [2021-03-24 15:23:36,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 110 transitions, 1500 flow. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:36,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 37 [2021-03-24 15:23:36,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:36,677 INFO L129 PetriNetUnfolder]: 335/648 cut-off events. [2021-03-24 15:23:36,678 INFO L130 PetriNetUnfolder]: For 6424/6658 co-relation queries the response was YES. [2021-03-24 15:23:36,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3450 conditions, 648 events. 335/648 cut-off events. For 6424/6658 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3360 event pairs, 11 based on Foata normal form. 103/682 useless extension candidates. Maximal degree in co-relation 3375. Up to 211 conditions per place. [2021-03-24 15:23:36,686 INFO L132 encePairwiseOnDemand]: 33/37 looper letters, 63 selfloop transitions, 2 changer transitions 15/104 dead transitions. [2021-03-24 15:23:36,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 104 transitions, 1553 flow [2021-03-24 15:23:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 15:23:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 15:23:36,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2021-03-24 15:23:36,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8738738738738738 [2021-03-24 15:23:36,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 97 transitions. [2021-03-24 15:23:36,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 97 transitions. [2021-03-24 15:23:36,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:36,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 97 transitions. [2021-03-24 15:23:36,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 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 15:23:36,689 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 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 15:23:36,689 INFO L185 Difference]: Start difference. First operand has 84 places, 110 transitions, 1500 flow. Second operand 3 states and 97 transitions. [2021-03-24 15:23:36,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 104 transitions, 1553 flow [2021-03-24 15:23:36,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 104 transitions, 1413 flow, removed 27 selfloop flow, removed 7 redundant places. [2021-03-24 15:23:36,729 INFO L241 Difference]: Finished difference. Result has 81 places, 80 transitions, 972 flow [2021-03-24 15:23:36,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=972, PETRI_PLACES=81, PETRI_TRANSITIONS=80} [2021-03-24 15:23:36,729 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 51 predicate places. [2021-03-24 15:23:36,730 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 80 transitions, 972 flow [2021-03-24 15:23:36,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:36,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:36,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 15:23:36,730 INFO L428 AbstractCegarLoop]: === Iteration 12 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:36,730 INFO L82 PathProgramCache]: Analyzing trace with hash -554618259, now seen corresponding path program 3 times [2021-03-24 15:23:36,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:36,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480373834] [2021-03-24 15:23:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:36,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,762 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 15:23:36,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480373834] [2021-03-24 15:23:36,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:36,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 15:23:36,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295754955] [2021-03-24 15:23:36,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:23:36,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:36,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:23:36,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:23:36,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:36,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 80 transitions, 972 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:36,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:36,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:36,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:36,882 INFO L129 PetriNetUnfolder]: 316/593 cut-off events. [2021-03-24 15:23:36,882 INFO L130 PetriNetUnfolder]: For 5020/5124 co-relation queries the response was YES. [2021-03-24 15:23:36,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3289 conditions, 593 events. 316/593 cut-off events. For 5020/5124 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 2894 event pairs, 7 based on Foata normal form. 28/568 useless extension candidates. Maximal degree in co-relation 3224. Up to 147 conditions per place. [2021-03-24 15:23:36,891 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 56 selfloop transitions, 24 changer transitions 1/101 dead transitions. [2021-03-24 15:23:36,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 101 transitions, 1397 flow [2021-03-24 15:23:36,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 15:23:36,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 15:23:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2021-03-24 15:23:36,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8558558558558559 [2021-03-24 15:23:36,892 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 190 transitions. [2021-03-24 15:23:36,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 190 transitions. [2021-03-24 15:23:36,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:36,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 190 transitions. [2021-03-24 15:23:36,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 6 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,894 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,894 INFO L185 Difference]: Start difference. First operand has 81 places, 80 transitions, 972 flow. Second operand 6 states and 190 transitions. [2021-03-24 15:23:36,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 101 transitions, 1397 flow [2021-03-24 15:23:36,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 101 transitions, 1226 flow, removed 46 selfloop flow, removed 10 redundant places. [2021-03-24 15:23:36,905 INFO L241 Difference]: Finished difference. Result has 76 places, 90 transitions, 1054 flow [2021-03-24 15:23:36,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1054, PETRI_PLACES=76, PETRI_TRANSITIONS=90} [2021-03-24 15:23:36,906 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 46 predicate places. [2021-03-24 15:23:36,906 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 90 transitions, 1054 flow [2021-03-24 15:23:36,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:36,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:36,906 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:36,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 15:23:36,906 INFO L428 AbstractCegarLoop]: === Iteration 13 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:36,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:36,907 INFO L82 PathProgramCache]: Analyzing trace with hash -2142064301, now seen corresponding path program 4 times [2021-03-24 15:23:36,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:36,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636945945] [2021-03-24 15:23:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:36,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:36,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:36,933 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 15:23:36,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636945945] [2021-03-24 15:23:36,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:36,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 15:23:36,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492846455] [2021-03-24 15:23:36,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:23:36,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:36,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:23:36,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:23:36,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:36,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 90 transitions, 1054 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:36,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:36,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:36,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:37,045 INFO L129 PetriNetUnfolder]: 316/593 cut-off events. [2021-03-24 15:23:37,045 INFO L130 PetriNetUnfolder]: For 4619/4712 co-relation queries the response was YES. [2021-03-24 15:23:37,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3116 conditions, 593 events. 316/593 cut-off events. For 4619/4712 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 2855 event pairs, 6 based on Foata normal form. 48/588 useless extension candidates. Maximal degree in co-relation 3065. Up to 124 conditions per place. [2021-03-24 15:23:37,054 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 54 selfloop transitions, 34 changer transitions 1/109 dead transitions. [2021-03-24 15:23:37,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 109 transitions, 1409 flow [2021-03-24 15:23:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 15:23:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 15:23:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 222 transitions. [2021-03-24 15:23:37,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2021-03-24 15:23:37,056 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 222 transitions. [2021-03-24 15:23:37,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 222 transitions. [2021-03-24 15:23:37,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:37,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 222 transitions. [2021-03-24 15:23:37,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,057 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,057 INFO L185 Difference]: Start difference. First operand has 76 places, 90 transitions, 1054 flow. Second operand 7 states and 222 transitions. [2021-03-24 15:23:37,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 109 transitions, 1409 flow [2021-03-24 15:23:37,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 109 transitions, 1356 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-03-24 15:23:37,068 INFO L241 Difference]: Finished difference. Result has 83 places, 96 transitions, 1185 flow [2021-03-24 15:23:37,068 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1003, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1185, PETRI_PLACES=83, PETRI_TRANSITIONS=96} [2021-03-24 15:23:37,069 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 53 predicate places. [2021-03-24 15:23:37,069 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 96 transitions, 1185 flow [2021-03-24 15:23:37,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:37,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:37,069 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:37,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 15:23:37,069 INFO L428 AbstractCegarLoop]: === Iteration 14 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:37,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:37,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1506782775, now seen corresponding path program 5 times [2021-03-24 15:23:37,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:37,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904008985] [2021-03-24 15:23:37,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:37,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:37,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:37,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:23:37,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,097 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 15:23:37,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904008985] [2021-03-24 15:23:37,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:37,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 15:23:37,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232752186] [2021-03-24 15:23:37,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:23:37,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:37,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:23:37,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:23:37,098 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:37,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 96 transitions, 1185 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:37,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:37,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:37,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:37,202 INFO L129 PetriNetUnfolder]: 281/524 cut-off events. [2021-03-24 15:23:37,202 INFO L130 PetriNetUnfolder]: For 5190/5293 co-relation queries the response was YES. [2021-03-24 15:23:37,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3022 conditions, 524 events. 281/524 cut-off events. For 5190/5293 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2440 event pairs, 14 based on Foata normal form. 40/520 useless extension candidates. Maximal degree in co-relation 2972. Up to 225 conditions per place. [2021-03-24 15:23:37,209 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 54 selfloop transitions, 29 changer transitions 1/104 dead transitions. [2021-03-24 15:23:37,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 104 transitions, 1413 flow [2021-03-24 15:23:37,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 15:23:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 15:23:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 160 transitions. [2021-03-24 15:23:37,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8648648648648649 [2021-03-24 15:23:37,211 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 160 transitions. [2021-03-24 15:23:37,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 160 transitions. [2021-03-24 15:23:37,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:37,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 160 transitions. [2021-03-24 15:23:37,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,213 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,213 INFO L185 Difference]: Start difference. First operand has 83 places, 96 transitions, 1185 flow. Second operand 5 states and 160 transitions. [2021-03-24 15:23:37,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 104 transitions, 1413 flow [2021-03-24 15:23:37,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 104 transitions, 1365 flow, removed 24 selfloop flow, removed 0 redundant places. [2021-03-24 15:23:37,224 INFO L241 Difference]: Finished difference. Result has 87 places, 95 transitions, 1186 flow [2021-03-24 15:23:37,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1186, PETRI_PLACES=87, PETRI_TRANSITIONS=95} [2021-03-24 15:23:37,225 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 57 predicate places. [2021-03-24 15:23:37,225 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 95 transitions, 1186 flow [2021-03-24 15:23:37,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:37,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:37,225 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:37,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 15:23:37,225 INFO L428 AbstractCegarLoop]: === Iteration 15 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:37,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:37,226 INFO L82 PathProgramCache]: Analyzing trace with hash -134584701, now seen corresponding path program 6 times [2021-03-24 15:23:37,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:37,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977121348] [2021-03-24 15:23:37,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:37,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:37,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:37,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,260 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 15:23:37,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977121348] [2021-03-24 15:23:37,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:23:37,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 15:23:37,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277474760] [2021-03-24 15:23:37,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:23:37,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:37,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:23:37,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 15:23:37,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:23:37,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 95 transitions, 1186 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:37,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:37,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:23:37,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:37,377 INFO L129 PetriNetUnfolder]: 262/480 cut-off events. [2021-03-24 15:23:37,377 INFO L130 PetriNetUnfolder]: For 4873/4975 co-relation queries the response was YES. [2021-03-24 15:23:37,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2849 conditions, 480 events. 262/480 cut-off events. For 4873/4975 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2129 event pairs, 6 based on Foata normal form. 58/499 useless extension candidates. Maximal degree in co-relation 2819. Up to 113 conditions per place. [2021-03-24 15:23:37,384 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 51 selfloop transitions, 32 changer transitions 1/104 dead transitions. [2021-03-24 15:23:37,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 104 transitions, 1400 flow [2021-03-24 15:23:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:23:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:23:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 253 transitions. [2021-03-24 15:23:37,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8547297297297297 [2021-03-24 15:23:37,386 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 253 transitions. [2021-03-24 15:23:37,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 253 transitions. [2021-03-24 15:23:37,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:37,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 253 transitions. [2021-03-24 15:23:37,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 31.625) internal successors, (253), 8 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,388 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,388 INFO L185 Difference]: Start difference. First operand has 87 places, 95 transitions, 1186 flow. Second operand 8 states and 253 transitions. [2021-03-24 15:23:37,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 104 transitions, 1400 flow [2021-03-24 15:23:37,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 104 transitions, 1360 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-24 15:23:37,399 INFO L241 Difference]: Finished difference. Result has 92 places, 90 transitions, 1144 flow [2021-03-24 15:23:37,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1144, PETRI_PLACES=92, PETRI_TRANSITIONS=90} [2021-03-24 15:23:37,399 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 62 predicate places. [2021-03-24 15:23:37,399 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 90 transitions, 1144 flow [2021-03-24 15:23:37,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 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 15:23:37,399 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:37,399 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:37,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 15:23:37,400 INFO L428 AbstractCegarLoop]: === Iteration 16 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:37,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:37,400 INFO L82 PathProgramCache]: Analyzing trace with hash 543924717, now seen corresponding path program 1 times [2021-03-24 15:23:37,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:37,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164245647] [2021-03-24 15:23:37,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:37,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:37,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:37,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:37,474 INFO L142 QuantifierPusher]: treesize reduction 36, result has 41.0 percent of original size [2021-03-24 15:23:37,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:37,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:37,508 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:37,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,519 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 15:23:37,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164245647] [2021-03-24 15:23:37,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459263235] [2021-03-24 15:23:37,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 15:23:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:37,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:37,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:37,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:37,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:37,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:37,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:37,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:37,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:37,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:37,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:37,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:37,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:37,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:37,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:37,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:37,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:37,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:37,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:37,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:37,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:37,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:37,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:37,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:37,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:37,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:37,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:37,670 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-24 15:23:37,672 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:23:37,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:37,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:37,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:37,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:37,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:37,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:37,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:37,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:37,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:37,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 15:23:37,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:37,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:37,713 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:37,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:37,727 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:10 [2021-03-24 15:23:37,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:37,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:37,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:37,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:37,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:37,784 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 15:23:37,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:37,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-03-24 15:23:37,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431433400] [2021-03-24 15:23:37,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:23:37,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:37,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:23:37,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:23:37,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:37,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 90 transitions, 1144 flow. Second operand has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:37,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:37,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:38,080 INFO L129 PetriNetUnfolder]: 412/711 cut-off events. [2021-03-24 15:23:38,080 INFO L130 PetriNetUnfolder]: For 6690/6725 co-relation queries the response was YES. [2021-03-24 15:23:38,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4008 conditions, 711 events. 412/711 cut-off events. For 6690/6725 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3286 event pairs, 43 based on Foata normal form. 20/679 useless extension candidates. Maximal degree in co-relation 3978. Up to 474 conditions per place. [2021-03-24 15:23:38,096 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 69 selfloop transitions, 70 changer transitions 0/150 dead transitions. [2021-03-24 15:23:38,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 150 transitions, 2028 flow [2021-03-24 15:23:38,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 15:23:38,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 15:23:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 348 transitions. [2021-03-24 15:23:38,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7234927234927235 [2021-03-24 15:23:38,097 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 348 transitions. [2021-03-24 15:23:38,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 348 transitions. [2021-03-24 15:23:38,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:38,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 348 transitions. [2021-03-24 15:23:38,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 26.76923076923077) internal successors, (348), 13 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 15:23:38,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:38,101 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:38,101 INFO L185 Difference]: Start difference. First operand has 92 places, 90 transitions, 1144 flow. Second operand 13 states and 348 transitions. [2021-03-24 15:23:38,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 150 transitions, 2028 flow [2021-03-24 15:23:38,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 150 transitions, 1891 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-24 15:23:38,115 INFO L241 Difference]: Finished difference. Result has 99 places, 131 transitions, 1553 flow [2021-03-24 15:23:38,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1553, PETRI_PLACES=99, PETRI_TRANSITIONS=131} [2021-03-24 15:23:38,116 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 69 predicate places. [2021-03-24 15:23:38,116 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 131 transitions, 1553 flow [2021-03-24 15:23:38,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:38,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:38,116 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:38,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-24 15:23:38,340 INFO L428 AbstractCegarLoop]: === Iteration 17 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:38,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:38,340 INFO L82 PathProgramCache]: Analyzing trace with hash -881338555, now seen corresponding path program 2 times [2021-03-24 15:23:38,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:38,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841477357] [2021-03-24 15:23:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:38,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:38,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:38,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:38,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:38,418 INFO L142 QuantifierPusher]: treesize reduction 36, result has 41.0 percent of original size [2021-03-24 15:23:38,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:38,444 INFO L142 QuantifierPusher]: treesize reduction 48, result has 32.4 percent of original size [2021-03-24 15:23:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:38,449 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:38,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,458 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 15:23:38,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841477357] [2021-03-24 15:23:38,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987964931] [2021-03-24 15:23:38,459 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 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 15:23:38,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:23:38,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:38,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-24 15:23:38,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:38,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:38,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:38,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:38,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:38,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:38,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:38,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:38,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:38,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:38,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:38,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:38,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:38,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:38,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:38,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:38,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:38,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:38,538 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-03-24 15:23:38,539 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:23:38,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:38,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:38,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:23:38,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:38,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:23:38,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:38,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:38,592 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:23:38,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:23:38,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:23:38,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:23:38,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:38,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:38,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:23 [2021-03-24 15:23:38,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:38,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:38,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:38,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:38,660 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-24 15:23:38,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:38,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:38,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:38,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,665 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:38,668 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:38,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:38,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:38,703 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 15:23:38,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:38,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:38,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:38,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:38,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:38,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:38,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:38,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:38,729 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 15:23:38,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:38,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-03-24 15:23:38,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129826498] [2021-03-24 15:23:38,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 15:23:38,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:38,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 15:23:38,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-24 15:23:38,731 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:38,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 131 transitions, 1553 flow. Second operand has 13 states, 13 states have (on average 23.307692307692307) internal successors, (303), 13 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:38,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:38,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:38,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:39,446 INFO L129 PetriNetUnfolder]: 608/1135 cut-off events. [2021-03-24 15:23:39,447 INFO L130 PetriNetUnfolder]: For 8672/8692 co-relation queries the response was YES. [2021-03-24 15:23:39,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5874 conditions, 1135 events. 608/1135 cut-off events. For 8672/8692 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6141 event pairs, 49 based on Foata normal form. 28/1061 useless extension candidates. Maximal degree in co-relation 5842. Up to 629 conditions per place. [2021-03-24 15:23:39,458 INFO L132 encePairwiseOnDemand]: 26/37 looper letters, 129 selfloop transitions, 116 changer transitions 0/256 dead transitions. [2021-03-24 15:23:39,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 256 transitions, 3382 flow [2021-03-24 15:23:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 15:23:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 15:23:39,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 527 transitions. [2021-03-24 15:23:39,460 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7496443812233285 [2021-03-24 15:23:39,461 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 527 transitions. [2021-03-24 15:23:39,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 527 transitions. [2021-03-24 15:23:39,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:39,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 527 transitions. [2021-03-24 15:23:39,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 27.736842105263158) internal successors, (527), 19 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:39,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:39,463 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:39,464 INFO L185 Difference]: Start difference. First operand has 99 places, 131 transitions, 1553 flow. Second operand 19 states and 527 transitions. [2021-03-24 15:23:39,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 256 transitions, 3382 flow [2021-03-24 15:23:39,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 256 transitions, 3270 flow, removed 54 selfloop flow, removed 1 redundant places. [2021-03-24 15:23:39,484 INFO L241 Difference]: Finished difference. Result has 126 places, 212 transitions, 2687 flow [2021-03-24 15:23:39,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1469, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2687, PETRI_PLACES=126, PETRI_TRANSITIONS=212} [2021-03-24 15:23:39,485 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 96 predicate places. [2021-03-24 15:23:39,485 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 212 transitions, 2687 flow [2021-03-24 15:23:39,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 23.307692307692307) internal successors, (303), 13 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:39,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:39,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:39,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-24 15:23:39,708 INFO L428 AbstractCegarLoop]: === Iteration 18 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:39,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:39,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1325482311, now seen corresponding path program 3 times [2021-03-24 15:23:39,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:39,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811302833] [2021-03-24 15:23:39,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:39,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:39,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:39,773 INFO L142 QuantifierPusher]: treesize reduction 48, result has 32.4 percent of original size [2021-03-24 15:23:39,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:39,777 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:39,787 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 15:23:39,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811302833] [2021-03-24 15:23:39,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73150508] [2021-03-24 15:23:39,787 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 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 15:23:39,826 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:23:39,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:39,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-24 15:23:39,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:39,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:39,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:39,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:39,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:39,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:39,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:39,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:39,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:39,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:39,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:39,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:39,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:39,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,898 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-03-24 15:23:39,898 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 15:23:39,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:39,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:39,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:39,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:39,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:39,921 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:23:39,922 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-24 15:23:39,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:39,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:39,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:39,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:39,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:39,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:39,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:39,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:39,935 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:23:39,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:23:39,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:23:39,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:23:39,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:39,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:39,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-03-24 15:23:39,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:39,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:39,967 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-24 15:23:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:39,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:39,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:39,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:39,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,972 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:39,974 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:39,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:39,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:39,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:39,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:40,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:40,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:40,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:40,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:40,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:40,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:40,020 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-24 15:23:40,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:40,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:40,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:40,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:40,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:40,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,027 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:40,027 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:40,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,030 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-24 15:23:40,030 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-24 15:23:40,031 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:40,031 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:40,032 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 15:23:40,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:40,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:40,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:40,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:40,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:40,055 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 15:23:40,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:40,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-03-24 15:23:40,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094525377] [2021-03-24 15:23:40,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 15:23:40,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:40,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 15:23:40,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-03-24 15:23:40,056 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:40,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 212 transitions, 2687 flow. Second operand has 13 states, 13 states have (on average 23.307692307692307) internal successors, (303), 13 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:40,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:40,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:40,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:41,137 INFO L129 PetriNetUnfolder]: 796/1504 cut-off events. [2021-03-24 15:23:41,137 INFO L130 PetriNetUnfolder]: For 15965/16001 co-relation queries the response was YES. [2021-03-24 15:23:41,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8680 conditions, 1504 events. 796/1504 cut-off events. For 15965/16001 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8842 event pairs, 44 based on Foata normal form. 29/1391 useless extension candidates. Maximal degree in co-relation 8637. Up to 782 conditions per place. [2021-03-24 15:23:41,159 INFO L132 encePairwiseOnDemand]: 26/37 looper letters, 189 selfloop transitions, 159 changer transitions 1/360 dead transitions. [2021-03-24 15:23:41,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 360 transitions, 5291 flow [2021-03-24 15:23:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-24 15:23:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-24 15:23:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 765 transitions. [2021-03-24 15:23:41,162 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7384169884169884 [2021-03-24 15:23:41,162 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 765 transitions. [2021-03-24 15:23:41,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 765 transitions. [2021-03-24 15:23:41,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:41,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 765 transitions. [2021-03-24 15:23:41,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 27.321428571428573) internal successors, (765), 28 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:41,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:41,166 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:41,166 INFO L185 Difference]: Start difference. First operand has 126 places, 212 transitions, 2687 flow. Second operand 28 states and 765 transitions. [2021-03-24 15:23:41,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 360 transitions, 5291 flow [2021-03-24 15:23:41,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 360 transitions, 5011 flow, removed 121 selfloop flow, removed 3 redundant places. [2021-03-24 15:23:41,218 INFO L241 Difference]: Finished difference. Result has 166 places, 309 transitions, 4093 flow [2021-03-24 15:23:41,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=2417, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=4093, PETRI_PLACES=166, PETRI_TRANSITIONS=309} [2021-03-24 15:23:41,219 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 136 predicate places. [2021-03-24 15:23:41,219 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 309 transitions, 4093 flow [2021-03-24 15:23:41,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 23.307692307692307) internal successors, (303), 13 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:41,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:41,219 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:41,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:41,443 INFO L428 AbstractCegarLoop]: === Iteration 19 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:41,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:41,443 INFO L82 PathProgramCache]: Analyzing trace with hash -332658357, now seen corresponding path program 1 times [2021-03-24 15:23:41,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:41,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026335324] [2021-03-24 15:23:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:41,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:41,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:41,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:41,487 INFO L142 QuantifierPusher]: treesize reduction 37, result has 51.9 percent of original size [2021-03-24 15:23:41,487 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size 33 [2021-03-24 15:23:41,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:41,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:41,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,530 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 15:23:41,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026335324] [2021-03-24 15:23:41,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663772121] [2021-03-24 15:23:41,530 INFO L95 rtionOrderModulation]: Keeping assertion order 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 15:23:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:41,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:41,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:41,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:41,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:41,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:41,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:41,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:41,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:41,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:41,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:41,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:41,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:41,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:41,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:41,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:41,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:41,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:41,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:41,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,592 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-24 15:23:41,593 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-24 15:23:41,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:41,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:41,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:41,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:41,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:41,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:41,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:41,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:41,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:41,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:41,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:41,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:41,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:41,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:41,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:41,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:41,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 15:23:41,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:41,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:41,631 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:41,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:41,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:41,640 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:10 [2021-03-24 15:23:41,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:41,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:41,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:41,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:41,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:41,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:41,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:41,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:41,683 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 15:23:41,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:41,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-24 15:23:41,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024598582] [2021-03-24 15:23:41,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:23:41,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:41,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:23:41,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:23:41,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:41,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 309 transitions, 4093 flow. Second operand has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:41,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:41,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:41,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:42,047 INFO L129 PetriNetUnfolder]: 852/1612 cut-off events. [2021-03-24 15:23:42,048 INFO L130 PetriNetUnfolder]: For 26782/26818 co-relation queries the response was YES. [2021-03-24 15:23:42,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10996 conditions, 1612 events. 852/1612 cut-off events. For 26782/26818 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 9655 event pairs, 84 based on Foata normal form. 20/1484 useless extension candidates. Maximal degree in co-relation 10936. Up to 1106 conditions per place. [2021-03-24 15:23:42,072 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 262 selfloop transitions, 58 changer transitions 0/331 dead transitions. [2021-03-24 15:23:42,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 331 transitions, 5090 flow [2021-03-24 15:23:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 15:23:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 15:23:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 192 transitions. [2021-03-24 15:23:42,073 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7413127413127413 [2021-03-24 15:23:42,073 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 192 transitions. [2021-03-24 15:23:42,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 192 transitions. [2021-03-24 15:23:42,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:42,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 192 transitions. [2021-03-24 15:23:42,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 7 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:42,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:42,075 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:42,075 INFO L185 Difference]: Start difference. First operand has 166 places, 309 transitions, 4093 flow. Second operand 7 states and 192 transitions. [2021-03-24 15:23:42,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 331 transitions, 5090 flow [2021-03-24 15:23:42,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 331 transitions, 4465 flow, removed 261 selfloop flow, removed 6 redundant places. [2021-03-24 15:23:42,168 INFO L241 Difference]: Finished difference. Result has 168 places, 317 transitions, 3724 flow [2021-03-24 15:23:42,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=3474, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3724, PETRI_PLACES=168, PETRI_TRANSITIONS=317} [2021-03-24 15:23:42,168 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 138 predicate places. [2021-03-24 15:23:42,168 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 317 transitions, 3724 flow [2021-03-24 15:23:42,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:42,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:42,169 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:42,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-24 15:23:42,391 INFO L428 AbstractCegarLoop]: === Iteration 20 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:42,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:42,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1684241573, now seen corresponding path program 2 times [2021-03-24 15:23:42,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:42,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665756225] [2021-03-24 15:23:42,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:42,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:42,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:42,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:42,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:42,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:42,445 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,454 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 15:23:42,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665756225] [2021-03-24 15:23:42,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154582327] [2021-03-24 15:23:42,454 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 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 15:23:42,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:23:42,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:42,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:42,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:42,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:42,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:42,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:42,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:42,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:42,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:42,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:42,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:42,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:42,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:42,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:42,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:42,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:42,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:42,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:42,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:42,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:42,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:42,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:42,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:42,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:42,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:42,558 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-24 15:23:42,559 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:23:42,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:42,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:42,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:42,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:42,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:42,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:42,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:42,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:42,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:42,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:42,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 15:23:42,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:42,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:42,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:42,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:42,589 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:42,589 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:10 [2021-03-24 15:23:42,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:42,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:42,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:42,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:42,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:42,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:42,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:42,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:42,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:42,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:42,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:42,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:42,633 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 15:23:42,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:42,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-24 15:23:42,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443965311] [2021-03-24 15:23:42,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:23:42,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:42,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:23:42,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:23:42,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:42,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 317 transitions, 3724 flow. Second operand has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:42,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:42,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:42,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:42,971 INFO L129 PetriNetUnfolder]: 920/1734 cut-off events. [2021-03-24 15:23:42,971 INFO L130 PetriNetUnfolder]: For 28256/28276 co-relation queries the response was YES. [2021-03-24 15:23:42,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11579 conditions, 1734 events. 920/1734 cut-off events. For 28256/28276 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 10497 event pairs, 95 based on Foata normal form. 16/1590 useless extension candidates. Maximal degree in co-relation 11516. Up to 1198 conditions per place. [2021-03-24 15:23:42,993 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 270 selfloop transitions, 58 changer transitions 0/339 dead transitions. [2021-03-24 15:23:42,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 339 transitions, 4747 flow [2021-03-24 15:23:42,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:23:42,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:23:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 217 transitions. [2021-03-24 15:23:42,995 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7331081081081081 [2021-03-24 15:23:42,995 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 217 transitions. [2021-03-24 15:23:42,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 217 transitions. [2021-03-24 15:23:42,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:42,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 217 transitions. [2021-03-24 15:23:42,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:42,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:42,996 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:42,996 INFO L185 Difference]: Start difference. First operand has 168 places, 317 transitions, 3724 flow. Second operand 8 states and 217 transitions. [2021-03-24 15:23:42,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 339 transitions, 4747 flow [2021-03-24 15:23:43,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 339 transitions, 4643 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-24 15:23:43,069 INFO L241 Difference]: Finished difference. Result has 173 places, 325 transitions, 3880 flow [2021-03-24 15:23:43,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=3620, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3880, PETRI_PLACES=173, PETRI_TRANSITIONS=325} [2021-03-24 15:23:43,069 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 143 predicate places. [2021-03-24 15:23:43,070 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 325 transitions, 3880 flow [2021-03-24 15:23:43,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:43,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:43,070 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:43,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:43,280 INFO L428 AbstractCegarLoop]: === Iteration 21 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:43,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:43,280 INFO L82 PathProgramCache]: Analyzing trace with hash -98473407, now seen corresponding path program 3 times [2021-03-24 15:23:43,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:43,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862945755] [2021-03-24 15:23:43,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:43,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:43,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:43,339 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:43,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,347 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 15:23:43,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862945755] [2021-03-24 15:23:43,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910627710] [2021-03-24 15:23:43,348 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 15:23:43,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:23:43,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:43,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:43,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:43,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:43,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:43,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:43,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:43,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:43,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:43,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:43,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:43,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:43,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:43,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:43,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:43,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:43,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:43,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:43,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:43,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:43,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:43,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:43,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:43,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:43,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:43,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:43,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:43,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:43,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:43,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:43,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:43,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:43,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:43,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:43,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:43,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:43,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:43,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:43,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:43,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:43,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,484 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-03-24 15:23:43,485 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-03-24 15:23:43,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:43,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:23:43,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:43,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:43,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:43,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:43,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:43,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:23:43,510 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-03-24 15:23:43,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,512 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:43,513 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:43,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:43,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:43,517 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:23:43,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,530 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:23:43,530 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:43,533 INFO L147 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size 25 [2021-03-24 15:23:43,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:43,534 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:32 [2021-03-24 15:23:43,534 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-24 15:23:43,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:43,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:43,568 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-24 15:23:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:43,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:43,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,574 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:43,574 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:43,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:43,577 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:43,577 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:43,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-03-24 15:23:43,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:43,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:43,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:43,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:43,605 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 15:23:43,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:43,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-24 15:23:43,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98253379] [2021-03-24 15:23:43,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:23:43,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:43,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:23:43,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:23:43,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:43,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 325 transitions, 3880 flow. Second operand has 11 states, 11 states have (on average 23.272727272727273) internal successors, (256), 11 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:43,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:43,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:43,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:44,261 INFO L129 PetriNetUnfolder]: 1099/2072 cut-off events. [2021-03-24 15:23:44,262 INFO L130 PetriNetUnfolder]: For 36563/36599 co-relation queries the response was YES. [2021-03-24 15:23:44,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14310 conditions, 2072 events. 1099/2072 cut-off events. For 36563/36599 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 13020 event pairs, 122 based on Foata normal form. 22/1903 useless extension candidates. Maximal degree in co-relation 14245. Up to 1337 conditions per place. [2021-03-24 15:23:44,289 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 311 selfloop transitions, 105 changer transitions 0/427 dead transitions. [2021-03-24 15:23:44,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 427 transitions, 6473 flow [2021-03-24 15:23:44,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 15:23:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 15:23:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 443 transitions. [2021-03-24 15:23:44,292 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7483108108108109 [2021-03-24 15:23:44,292 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 443 transitions. [2021-03-24 15:23:44,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 443 transitions. [2021-03-24 15:23:44,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:44,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 443 transitions. [2021-03-24 15:23:44,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 27.6875) internal successors, (443), 16 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:44,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:44,294 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:44,295 INFO L185 Difference]: Start difference. First operand has 173 places, 325 transitions, 3880 flow. Second operand 16 states and 443 transitions. [2021-03-24 15:23:44,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 427 transitions, 6473 flow [2021-03-24 15:23:44,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 427 transitions, 6358 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-03-24 15:23:44,393 INFO L241 Difference]: Finished difference. Result has 190 places, 381 transitions, 4969 flow [2021-03-24 15:23:44,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=3765, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4969, PETRI_PLACES=190, PETRI_TRANSITIONS=381} [2021-03-24 15:23:44,394 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 160 predicate places. [2021-03-24 15:23:44,394 INFO L480 AbstractCegarLoop]: Abstraction has has 190 places, 381 transitions, 4969 flow [2021-03-24 15:23:44,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.272727272727273) internal successors, (256), 11 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:44,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:44,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:44,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:44,612 INFO L428 AbstractCegarLoop]: === Iteration 22 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:44,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:44,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1182783613, now seen corresponding path program 4 times [2021-03-24 15:23:44,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:44,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271261437] [2021-03-24 15:23:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:44,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:44,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:44,675 INFO L142 QuantifierPusher]: treesize reduction 36, result has 41.0 percent of original size [2021-03-24 15:23:44,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:44,693 INFO L142 QuantifierPusher]: treesize reduction 48, result has 32.4 percent of original size [2021-03-24 15:23:44,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:44,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:44,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,727 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 15:23:44,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271261437] [2021-03-24 15:23:44,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564436047] [2021-03-24 15:23:44,727 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 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 15:23:44,766 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:23:44,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:44,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:44,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:44,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:44,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:44,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:44,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:44,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:44,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:44,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:44,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:44,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:44,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:44,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:44,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:44,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:44,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:44,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:44,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:44,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:44,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:44,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:44,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,833 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-03-24 15:23:44,833 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-24 15:23:44,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:44,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:44,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:44,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:44,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:44,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:44,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:44,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:44,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:44,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 15:23:44,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:44,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:44,847 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:44,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:44,855 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:44,855 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:10 [2021-03-24 15:23:44,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:44,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:44,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:44,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:44,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:44,899 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 15:23:44,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:44,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-03-24 15:23:44,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894290575] [2021-03-24 15:23:44,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:23:44,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:44,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:23:44,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:23:44,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:44,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 381 transitions, 4969 flow. Second operand has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:44,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:44,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:44,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:45,440 INFO L129 PetriNetUnfolder]: 1201/2247 cut-off events. [2021-03-24 15:23:45,441 INFO L130 PetriNetUnfolder]: For 45781/45817 co-relation queries the response was YES. [2021-03-24 15:23:45,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16485 conditions, 2247 events. 1201/2247 cut-off events. For 45781/45817 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 14301 event pairs, 121 based on Foata normal form. 20/2066 useless extension candidates. Maximal degree in co-relation 16415. Up to 1443 conditions per place. [2021-03-24 15:23:45,472 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 311 selfloop transitions, 134 changer transitions 0/456 dead transitions. [2021-03-24 15:23:45,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 456 transitions, 7196 flow [2021-03-24 15:23:45,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 15:23:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 15:23:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 377 transitions. [2021-03-24 15:23:45,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7277992277992278 [2021-03-24 15:23:45,474 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 377 transitions. [2021-03-24 15:23:45,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 377 transitions. [2021-03-24 15:23:45,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:45,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 377 transitions. [2021-03-24 15:23:45,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 26.928571428571427) internal successors, (377), 14 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 15:23:45,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 37.0) internal successors, (555), 15 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:45,476 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 37.0) internal successors, (555), 15 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:45,476 INFO L185 Difference]: Start difference. First operand has 190 places, 381 transitions, 4969 flow. Second operand 14 states and 377 transitions. [2021-03-24 15:23:45,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 456 transitions, 7196 flow [2021-03-24 15:23:45,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 456 transitions, 6727 flow, removed 211 selfloop flow, removed 4 redundant places. [2021-03-24 15:23:45,617 INFO L241 Difference]: Finished difference. Result has 207 places, 428 transitions, 5712 flow [2021-03-24 15:23:45,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=4500, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5712, PETRI_PLACES=207, PETRI_TRANSITIONS=428} [2021-03-24 15:23:45,617 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 177 predicate places. [2021-03-24 15:23:45,618 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 428 transitions, 5712 flow [2021-03-24 15:23:45,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:45,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:45,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:45,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:45,839 INFO L428 AbstractCegarLoop]: === Iteration 23 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:45,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:45,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1078817765, now seen corresponding path program 5 times [2021-03-24 15:23:45,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:45,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439757678] [2021-03-24 15:23:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:45,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:45,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:45,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:45,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:45,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:45,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:45,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:45,919 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 15:23:45,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439757678] [2021-03-24 15:23:45,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804573244] [2021-03-24 15:23:45,919 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 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 15:23:45,958 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:23:45,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:45,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:45,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:45,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:45,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:45,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:45,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:45,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:45,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:45,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:45,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:45,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:45,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:45,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:45,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:45,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:45,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:45,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:45,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:45,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:45,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:45,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:45,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:45,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:45,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:45,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:45,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:45,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:45,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:46,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:46,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:46,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,102 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:23:46,103 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:23:46,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:46,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:46,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:46,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:46,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:46,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:46,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:46,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:46,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-03-24 15:23:46,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:46,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:46,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:46,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:46,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:46,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2021-03-24 15:23:46,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:46,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:46,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:46,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:46,144 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 15:23:46,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:46,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-03-24 15:23:46,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234886596] [2021-03-24 15:23:46,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:23:46,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:46,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:23:46,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:23:46,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:46,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 428 transitions, 5712 flow. Second operand has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:46,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:46,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:46,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:47,010 INFO L129 PetriNetUnfolder]: 1548/2878 cut-off events. [2021-03-24 15:23:47,011 INFO L130 PetriNetUnfolder]: For 63523/63559 co-relation queries the response was YES. [2021-03-24 15:23:47,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22053 conditions, 2878 events. 1548/2878 cut-off events. For 63523/63559 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 19265 event pairs, 132 based on Foata normal form. 20/2664 useless extension candidates. Maximal degree in co-relation 21974. Up to 1482 conditions per place. [2021-03-24 15:23:47,044 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 412 selfloop transitions, 171 changer transitions 0/594 dead transitions. [2021-03-24 15:23:47,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 594 transitions, 9630 flow [2021-03-24 15:23:47,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 15:23:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 15:23:47,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 416 transitions. [2021-03-24 15:23:47,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7495495495495496 [2021-03-24 15:23:47,045 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 416 transitions. [2021-03-24 15:23:47,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 416 transitions. [2021-03-24 15:23:47,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:47,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 416 transitions. [2021-03-24 15:23:47,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 27.733333333333334) internal successors, (416), 15 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:47,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 37.0) internal successors, (592), 16 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:47,047 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 37.0) internal successors, (592), 16 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:47,047 INFO L185 Difference]: Start difference. First operand has 207 places, 428 transitions, 5712 flow. Second operand 15 states and 416 transitions. [2021-03-24 15:23:47,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 594 transitions, 9630 flow [2021-03-24 15:23:47,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 594 transitions, 9136 flow, removed 228 selfloop flow, removed 2 redundant places. [2021-03-24 15:23:47,233 INFO L241 Difference]: Finished difference. Result has 225 places, 485 transitions, 6861 flow [2021-03-24 15:23:47,234 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=5414, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6861, PETRI_PLACES=225, PETRI_TRANSITIONS=485} [2021-03-24 15:23:47,234 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 195 predicate places. [2021-03-24 15:23:47,234 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 485 transitions, 6861 flow [2021-03-24 15:23:47,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:47,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:47,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:47,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:47,456 INFO L428 AbstractCegarLoop]: === Iteration 24 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:47,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:47,457 INFO L82 PathProgramCache]: Analyzing trace with hash 328863563, now seen corresponding path program 6 times [2021-03-24 15:23:47,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:47,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212541992] [2021-03-24 15:23:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:47,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:47,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:47,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:47,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:47,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:47,575 INFO L142 QuantifierPusher]: treesize reduction 48, result has 32.4 percent of original size [2021-03-24 15:23:47,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:47,599 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:47,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,607 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 15:23:47,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212541992] [2021-03-24 15:23:47,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184209033] [2021-03-24 15:23:47,608 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 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 15:23:47,633 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 15:23:47,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:47,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-24 15:23:47,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:47,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:47,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:47,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:47,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:47,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:47,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:47,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:47,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:47,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:47,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:47,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:47,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:47,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:47,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:47,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:47,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:47,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,701 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-03-24 15:23:47,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 15:23:47,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:23:47,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:47,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:47,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:47,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:47,737 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:23:47,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:23:47,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:23:47,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:23:47,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:47,746 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-03-24 15:23:47,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:47,784 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-24 15:23:47,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:47,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:47,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,788 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:47,789 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:47,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:47,819 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-03-24 15:23:47,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:47,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:47,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:47,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:47,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:47,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:47,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:47,841 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 15:23:47,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:47,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-03-24 15:23:47,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892180771] [2021-03-24 15:23:47,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 15:23:47,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:47,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 15:23:47,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-03-24 15:23:47,842 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:47,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 485 transitions, 6861 flow. Second operand has 14 states, 14 states have (on average 23.214285714285715) internal successors, (325), 14 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:47,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:47,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:47,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:49,064 INFO L129 PetriNetUnfolder]: 1809/3373 cut-off events. [2021-03-24 15:23:49,064 INFO L130 PetriNetUnfolder]: For 80428/80464 co-relation queries the response was YES. [2021-03-24 15:23:49,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26533 conditions, 3373 events. 1809/3373 cut-off events. For 80428/80464 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 23292 event pairs, 141 based on Foata normal form. 28/3083 useless extension candidates. Maximal degree in co-relation 26447. Up to 1970 conditions per place. [2021-03-24 15:23:49,099 INFO L132 encePairwiseOnDemand]: 27/37 looper letters, 378 selfloop transitions, 260 changer transitions 0/649 dead transitions. [2021-03-24 15:23:49,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 649 transitions, 11563 flow [2021-03-24 15:23:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-24 15:23:49,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-24 15:23:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 788 transitions. [2021-03-24 15:23:49,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7343895619757689 [2021-03-24 15:23:49,105 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 788 transitions. [2021-03-24 15:23:49,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 788 transitions. [2021-03-24 15:23:49,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:49,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 788 transitions. [2021-03-24 15:23:49,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 27.17241379310345) internal successors, (788), 29 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:49,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 37.0) internal successors, (1110), 30 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:49,109 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 37.0) internal successors, (1110), 30 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:49,109 INFO L185 Difference]: Start difference. First operand has 225 places, 485 transitions, 6861 flow. Second operand 29 states and 788 transitions. [2021-03-24 15:23:49,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 649 transitions, 11563 flow [2021-03-24 15:23:49,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 649 transitions, 11209 flow, removed 113 selfloop flow, removed 7 redundant places. [2021-03-24 15:23:49,317 INFO L241 Difference]: Finished difference. Result has 255 places, 585 transitions, 9462 flow [2021-03-24 15:23:49,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=6533, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=9462, PETRI_PLACES=255, PETRI_TRANSITIONS=585} [2021-03-24 15:23:49,317 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 225 predicate places. [2021-03-24 15:23:49,317 INFO L480 AbstractCegarLoop]: Abstraction has has 255 places, 585 transitions, 9462 flow [2021-03-24 15:23:49,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 23.214285714285715) internal successors, (325), 14 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:49,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:49,317 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:49,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-03-24 15:23:49,518 INFO L428 AbstractCegarLoop]: === Iteration 25 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:49,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:49,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1228929129, now seen corresponding path program 4 times [2021-03-24 15:23:49,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:49,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106818783] [2021-03-24 15:23:49,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:49,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:49,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:49,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:49,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:49,576 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:49,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,583 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 15:23:49,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106818783] [2021-03-24 15:23:49,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893246409] [2021-03-24 15:23:49,584 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 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 15:23:49,607 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:23:49,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:49,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:49,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:49,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:49,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:49,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:49,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:49,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:49,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:49,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:49,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:49,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:49,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:49,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:49,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:49,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:49,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:49,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:49,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:49,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:49,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:49,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:49,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:49,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:49,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:49,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:49,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:49,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:49,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 15:23:49,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:49,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:23:49,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:49,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:49,716 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:49,716 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:10 [2021-03-24 15:23:49,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:49,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:49,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:49,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:49,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:49,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:49,760 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 15:23:49,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:49,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-24 15:23:49,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599991247] [2021-03-24 15:23:49,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:23:49,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:49,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:23:49,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:23:49,761 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:49,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 585 transitions, 9462 flow. Second operand has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:49,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:49,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:49,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:50,621 INFO L129 PetriNetUnfolder]: 1880/3513 cut-off events. [2021-03-24 15:23:50,621 INFO L130 PetriNetUnfolder]: For 104916/104942 co-relation queries the response was YES. [2021-03-24 15:23:50,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29730 conditions, 3513 events. 1880/3513 cut-off events. For 104916/104942 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 24570 event pairs, 202 based on Foata normal form. 18/3193 useless extension candidates. Maximal degree in co-relation 29634. Up to 2433 conditions per place. [2021-03-24 15:23:50,666 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 523 selfloop transitions, 89 changer transitions 0/623 dead transitions. [2021-03-24 15:23:50,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 623 transitions, 11512 flow [2021-03-24 15:23:50,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 15:23:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 15:23:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 348 transitions. [2021-03-24 15:23:50,668 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7234927234927235 [2021-03-24 15:23:50,668 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 348 transitions. [2021-03-24 15:23:50,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 348 transitions. [2021-03-24 15:23:50,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:50,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 348 transitions. [2021-03-24 15:23:50,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 26.76923076923077) internal successors, (348), 13 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 15:23:50,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:50,669 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:50,670 INFO L185 Difference]: Start difference. First operand has 255 places, 585 transitions, 9462 flow. Second operand 13 states and 348 transitions. [2021-03-24 15:23:50,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 623 transitions, 11512 flow [2021-03-24 15:23:50,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 623 transitions, 10135 flow, removed 610 selfloop flow, removed 10 redundant places. [2021-03-24 15:23:50,975 INFO L241 Difference]: Finished difference. Result has 260 places, 597 transitions, 8559 flow [2021-03-24 15:23:50,976 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=8109, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8559, PETRI_PLACES=260, PETRI_TRANSITIONS=597} [2021-03-24 15:23:50,976 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 230 predicate places. [2021-03-24 15:23:50,976 INFO L480 AbstractCegarLoop]: Abstraction has has 260 places, 597 transitions, 8559 flow [2021-03-24 15:23:50,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:50,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:50,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:51,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:51,180 INFO L428 AbstractCegarLoop]: === Iteration 26 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:51,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:51,180 INFO L82 PathProgramCache]: Analyzing trace with hash 324418569, now seen corresponding path program 5 times [2021-03-24 15:23:51,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:51,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622504777] [2021-03-24 15:23:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:51,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:51,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:51,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:51,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,268 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 15:23:51,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622504777] [2021-03-24 15:23:51,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605404542] [2021-03-24 15:23:51,269 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 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 15:23:51,293 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:23:51,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:51,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:51,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:51,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:51,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:51,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:51,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:51,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:51,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:51,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:51,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:51,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:51,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:51,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:51,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:51,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:51,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,385 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:23:51,386 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:23:51,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:51,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:51,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:51,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:51,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-03-24 15:23:51,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:51,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,405 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:51,405 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2021-03-24 15:23:51,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:51,429 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 15:23:51,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:51,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-24 15:23:51,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047144781] [2021-03-24 15:23:51,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:23:51,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:51,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:23:51,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:23:51,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:51,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 597 transitions, 8559 flow. Second operand has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:51,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:51,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:51,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:52,263 INFO L129 PetriNetUnfolder]: 1957/3655 cut-off events. [2021-03-24 15:23:52,263 INFO L130 PetriNetUnfolder]: For 105564/105590 co-relation queries the response was YES. [2021-03-24 15:23:52,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30090 conditions, 3655 events. 1957/3655 cut-off events. For 105564/105590 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 25780 event pairs, 209 based on Foata normal form. 18/3321 useless extension candidates. Maximal degree in co-relation 29992. Up to 2515 conditions per place. [2021-03-24 15:23:52,302 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 536 selfloop transitions, 99 changer transitions 0/646 dead transitions. [2021-03-24 15:23:52,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 646 transitions, 10839 flow [2021-03-24 15:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 15:23:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 15:23:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 351 transitions. [2021-03-24 15:23:52,303 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7297297297297297 [2021-03-24 15:23:52,304 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 351 transitions. [2021-03-24 15:23:52,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 351 transitions. [2021-03-24 15:23:52,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:52,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 351 transitions. [2021-03-24 15:23:52,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 27.0) internal successors, (351), 13 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 15:23:52,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:52,305 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:52,305 INFO L185 Difference]: Start difference. First operand has 260 places, 597 transitions, 8559 flow. Second operand 13 states and 351 transitions. [2021-03-24 15:23:52,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 646 transitions, 10839 flow [2021-03-24 15:23:52,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 646 transitions, 10521 flow, removed 54 selfloop flow, removed 12 redundant places. [2021-03-24 15:23:52,609 INFO L241 Difference]: Finished difference. Result has 263 places, 614 transitions, 8877 flow [2021-03-24 15:23:52,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=8253, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8877, PETRI_PLACES=263, PETRI_TRANSITIONS=614} [2021-03-24 15:23:52,609 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 233 predicate places. [2021-03-24 15:23:52,609 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 614 transitions, 8877 flow [2021-03-24 15:23:52,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:52,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:52,610 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:52,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-24 15:23:52,828 INFO L428 AbstractCegarLoop]: === Iteration 27 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:52,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:52,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1747035795, now seen corresponding path program 6 times [2021-03-24 15:23:52,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:52,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796002129] [2021-03-24 15:23:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:52,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:52,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:52,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:52,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:52,901 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:52,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:52,910 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 15:23:52,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796002129] [2021-03-24 15:23:52,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195856013] [2021-03-24 15:23:52,910 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 15:23:52,945 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 15:23:52,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:52,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:52,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:52,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:52,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:52,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:52,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:52,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:52,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:52,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:52,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:52,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:52,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:52,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:52,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:52,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:52,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:52,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:52,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:52,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:52,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:52,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:52,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:52,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:52,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:52,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:52,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:53,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:53,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:53,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:53,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:53,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:53,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:53,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:53,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:53,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:53,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:53,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 15:23:53,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:53,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:23:53,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:53,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:53,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:23:53,083 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-03-24 15:23:53,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,085 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:53,086 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:53,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:53,088 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:23:53,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,101 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:23:53,102 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:53,105 INFO L147 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size 25 [2021-03-24 15:23:53,105 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:53,105 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:32 [2021-03-24 15:23:53,106 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-24 15:23:53,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:53,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:53,147 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-24 15:23:53,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:53,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:53,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:53,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,151 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:53,152 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:53,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:53,154 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:53,154 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:53,155 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-03-24 15:23:53,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:53,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:53,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:53,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:53,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:53,178 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 15:23:53,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:53,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-24 15:23:53,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904163395] [2021-03-24 15:23:53,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:23:53,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:53,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:23:53,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:23:53,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:53,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 614 transitions, 8877 flow. Second operand has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:53,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:53,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:53,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:54,547 INFO L129 PetriNetUnfolder]: 2155/4016 cut-off events. [2021-03-24 15:23:54,547 INFO L130 PetriNetUnfolder]: For 115098/115124 co-relation queries the response was YES. [2021-03-24 15:23:54,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33976 conditions, 4016 events. 2155/4016 cut-off events. For 115098/115124 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 28860 event pairs, 204 based on Foata normal form. 18/3676 useless extension candidates. Maximal degree in co-relation 33879. Up to 2308 conditions per place. [2021-03-24 15:23:54,594 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 583 selfloop transitions, 150 changer transitions 0/744 dead transitions. [2021-03-24 15:23:54,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 744 transitions, 13275 flow [2021-03-24 15:23:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 15:23:54,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 15:23:54,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 526 transitions. [2021-03-24 15:23:54,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.748221906116643 [2021-03-24 15:23:54,599 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 526 transitions. [2021-03-24 15:23:54,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 526 transitions. [2021-03-24 15:23:54,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:54,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 526 transitions. [2021-03-24 15:23:54,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 27.68421052631579) internal successors, (526), 19 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:54,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:54,603 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:54,603 INFO L185 Difference]: Start difference. First operand has 263 places, 614 transitions, 8877 flow. Second operand 19 states and 526 transitions. [2021-03-24 15:23:54,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 744 transitions, 13275 flow [2021-03-24 15:23:54,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 744 transitions, 13093 flow, removed 40 selfloop flow, removed 7 redundant places. [2021-03-24 15:23:54,928 INFO L241 Difference]: Finished difference. Result has 280 places, 657 transitions, 10256 flow [2021-03-24 15:23:54,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=8699, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10256, PETRI_PLACES=280, PETRI_TRANSITIONS=657} [2021-03-24 15:23:54,929 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 250 predicate places. [2021-03-24 15:23:54,929 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 657 transitions, 10256 flow [2021-03-24 15:23:54,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 11 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:54,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:54,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:55,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:55,144 INFO L428 AbstractCegarLoop]: === Iteration 28 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:55,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:55,144 INFO L82 PathProgramCache]: Analyzing trace with hash 276266807, now seen corresponding path program 7 times [2021-03-24 15:23:55,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:55,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578003184] [2021-03-24 15:23:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:55,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:55,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:55,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,197 INFO L142 QuantifierPusher]: treesize reduction 36, result has 41.0 percent of original size [2021-03-24 15:23:55,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,215 INFO L142 QuantifierPusher]: treesize reduction 48, result has 32.4 percent of original size [2021-03-24 15:23:55,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:55,222 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,231 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 15:23:55,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578003184] [2021-03-24 15:23:55,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197518973] [2021-03-24 15:23:55,231 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:55,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:55,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:55,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:55,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:55,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:55,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:55,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:55,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:55,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:55,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:55,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:55,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:55,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:55,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:55,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:55,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:55,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:55,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:55,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-03-24 15:23:55,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:55,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:55,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:55,327 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-03-24 15:23:55,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:55,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:55,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,342 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-03-24 15:23:55,342 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 15:23:55,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:55,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:55,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:55,376 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 15:23:55,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:55,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-24 15:23:55,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778469069] [2021-03-24 15:23:55,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:23:55,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:55,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:23:55,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:23:55,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:55,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 657 transitions, 10256 flow. Second operand has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:55,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:55,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:55,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:56,594 INFO L129 PetriNetUnfolder]: 2374/4462 cut-off events. [2021-03-24 15:23:56,594 INFO L130 PetriNetUnfolder]: For 145673/145693 co-relation queries the response was YES. [2021-03-24 15:23:56,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39409 conditions, 4462 events. 2374/4462 cut-off events. For 145673/145693 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 32918 event pairs, 267 based on Foata normal form. 14/4047 useless extension candidates. Maximal degree in co-relation 39305. Up to 2674 conditions per place. [2021-03-24 15:23:56,700 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 593 selfloop transitions, 147 changer transitions 0/751 dead transitions. [2021-03-24 15:23:56,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 751 transitions, 14090 flow [2021-03-24 15:23:56,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 15:23:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 15:23:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 333 transitions. [2021-03-24 15:23:56,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-03-24 15:23:56,701 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 333 transitions. [2021-03-24 15:23:56,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 333 transitions. [2021-03-24 15:23:56,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:56,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 333 transitions. [2021-03-24 15:23:56,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 27.75) internal successors, (333), 12 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:56,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:56,703 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:56,703 INFO L185 Difference]: Start difference. First operand has 280 places, 657 transitions, 10256 flow. Second operand 12 states and 333 transitions. [2021-03-24 15:23:56,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 751 transitions, 14090 flow [2021-03-24 15:23:57,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 751 transitions, 13440 flow, removed 260 selfloop flow, removed 10 redundant places. [2021-03-24 15:23:57,085 INFO L241 Difference]: Finished difference. Result has 288 places, 703 transitions, 11327 flow [2021-03-24 15:23:57,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=9646, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11327, PETRI_PLACES=288, PETRI_TRANSITIONS=703} [2021-03-24 15:23:57,085 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 258 predicate places. [2021-03-24 15:23:57,085 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 703 transitions, 11327 flow [2021-03-24 15:23:57,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:57,085 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:57,085 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:57,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:57,286 INFO L428 AbstractCegarLoop]: === Iteration 29 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:57,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:57,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1200323445, now seen corresponding path program 7 times [2021-03-24 15:23:57,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:57,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839644199] [2021-03-24 15:23:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:57,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:57,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:57,317 INFO L142 QuantifierPusher]: treesize reduction 37, result has 51.9 percent of original size [2021-03-24 15:23:57,318 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size 33 [2021-03-24 15:23:57,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:57,350 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:57,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,358 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 15:23:57,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839644199] [2021-03-24 15:23:57,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110277635] [2021-03-24 15:23:57,359 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 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 15:23:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:57,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:23:57,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:57,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:57,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:57,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:57,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:57,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:57,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:57,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:57,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:57,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:57,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:57,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:57,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:57,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:23:57,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-03-24 15:23:57,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,484 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:57,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:57,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:57,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-03-24 15:23:57,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:57,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:57,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:57,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:57,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:57,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:23:57,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,507 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-03-24 15:23:57,507 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 15:23:57,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:57,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:57,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:57,528 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 15:23:57,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:57,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-24 15:23:57,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626852902] [2021-03-24 15:23:57,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:23:57,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:57,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:23:57,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:23:57,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:57,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 703 transitions, 11327 flow. Second operand has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:57,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:57,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:57,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:58,630 INFO L129 PetriNetUnfolder]: 2438/4580 cut-off events. [2021-03-24 15:23:58,630 INFO L130 PetriNetUnfolder]: For 151050/151072 co-relation queries the response was YES. [2021-03-24 15:23:58,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40652 conditions, 4580 events. 2438/4580 cut-off events. For 151050/151072 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 33846 event pairs, 287 based on Foata normal form. 14/4155 useless extension candidates. Maximal degree in co-relation 40540. Up to 2879 conditions per place. [2021-03-24 15:23:58,698 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 628 selfloop transitions, 116 changer transitions 0/755 dead transitions. [2021-03-24 15:23:58,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 755 transitions, 14003 flow [2021-03-24 15:23:58,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:23:58,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:23:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 224 transitions. [2021-03-24 15:23:58,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7567567567567568 [2021-03-24 15:23:58,699 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 224 transitions. [2021-03-24 15:23:58,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 224 transitions. [2021-03-24 15:23:58,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:58,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 224 transitions. [2021-03-24 15:23:58,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 28.0) internal successors, (224), 8 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 15:23:58,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:58,700 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:58,700 INFO L185 Difference]: Start difference. First operand has 288 places, 703 transitions, 11327 flow. Second operand 8 states and 224 transitions. [2021-03-24 15:23:58,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 755 transitions, 14003 flow [2021-03-24 15:23:59,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 755 transitions, 13234 flow, removed 329 selfloop flow, removed 3 redundant places. [2021-03-24 15:23:59,202 INFO L241 Difference]: Finished difference. Result has 294 places, 712 transitions, 11051 flow [2021-03-24 15:23:59,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=10562, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11051, PETRI_PLACES=294, PETRI_TRANSITIONS=712} [2021-03-24 15:23:59,203 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 264 predicate places. [2021-03-24 15:23:59,203 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 712 transitions, 11051 flow [2021-03-24 15:23:59,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:59,203 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:59,203 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:59,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-03-24 15:23:59,425 INFO L428 AbstractCegarLoop]: === Iteration 30 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:23:59,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:59,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1117479773, now seen corresponding path program 8 times [2021-03-24 15:23:59,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:59,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780141404] [2021-03-24 15:23:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:59,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:59,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:59,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:59,479 INFO L142 QuantifierPusher]: treesize reduction 36, result has 41.0 percent of original size [2021-03-24 15:23:59,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:59,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:23:59,506 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:23:59,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,515 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 15:23:59,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780141404] [2021-03-24 15:23:59,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831267869] [2021-03-24 15:23:59,515 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 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 15:23:59,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:23:59,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:59,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-24 15:23:59,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:59,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:23:59,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:59,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:59,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:59,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:59,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:59,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:59,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:59,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:59,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:59,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:59,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:59,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:59,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:23:59,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:23:59,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:59,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 15:23:59,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:59,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 15:23:59,614 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-03-24 15:23:59,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,616 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:59,616 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:59,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:59,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:59,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:23:59,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,631 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:59,631 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:59,633 INFO L147 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size 21 [2021-03-24 15:23:59,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:59,633 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2021-03-24 15:23:59,633 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 15:23:59,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:59,676 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-24 15:23:59,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:59,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:59,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,679 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:23:59,680 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:59,680 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-03-24 15:23:59,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:59,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:59,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:23:59,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:59,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:23:59,748 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 15:23:59,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:59,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 15:23:59,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660349] [2021-03-24 15:23:59,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:23:59,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:59,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:23:59,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:23:59,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:23:59,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 712 transitions, 11051 flow. Second operand has 12 states, 12 states have (on average 23.333333333333332) internal successors, (280), 12 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 15:23:59,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:59,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:23:59,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:01,098 INFO L129 PetriNetUnfolder]: 2592/4864 cut-off events. [2021-03-24 15:24:01,099 INFO L130 PetriNetUnfolder]: For 163584/163606 co-relation queries the response was YES. [2021-03-24 15:24:01,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43341 conditions, 4864 events. 2592/4864 cut-off events. For 163584/163606 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 36353 event pairs, 297 based on Foata normal form. 16/4411 useless extension candidates. Maximal degree in co-relation 43226. Up to 3011 conditions per place. [2021-03-24 15:24:01,159 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 639 selfloop transitions, 155 changer transitions 0/805 dead transitions. [2021-03-24 15:24:01,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 805 transitions, 15094 flow [2021-03-24 15:24:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 15:24:01,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 15:24:01,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 406 transitions. [2021-03-24 15:24:01,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7315315315315315 [2021-03-24 15:24:01,161 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 406 transitions. [2021-03-24 15:24:01,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 406 transitions. [2021-03-24 15:24:01,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:01,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 406 transitions. [2021-03-24 15:24:01,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 27.066666666666666) internal successors, (406), 15 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 15:24:01,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 37.0) internal successors, (592), 16 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:01,163 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 37.0) internal successors, (592), 16 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:01,163 INFO L185 Difference]: Start difference. First operand has 294 places, 712 transitions, 11051 flow. Second operand 15 states and 406 transitions. [2021-03-24 15:24:01,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 805 transitions, 15094 flow [2021-03-24 15:24:01,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 805 transitions, 14777 flow, removed 46 selfloop flow, removed 5 redundant places. [2021-03-24 15:24:01,622 INFO L241 Difference]: Finished difference. Result has 309 places, 763 transitions, 12665 flow [2021-03-24 15:24:01,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=10740, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12665, PETRI_PLACES=309, PETRI_TRANSITIONS=763} [2021-03-24 15:24:01,623 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 279 predicate places. [2021-03-24 15:24:01,623 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 763 transitions, 12665 flow [2021-03-24 15:24:01,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 23.333333333333332) internal successors, (280), 12 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 15:24:01,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:01,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:01,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:01,824 INFO L428 AbstractCegarLoop]: === Iteration 31 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:01,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:01,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1416713041, now seen corresponding path program 9 times [2021-03-24 15:24:01,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:01,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667075030] [2021-03-24 15:24:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:01,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:01,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:01,882 INFO L142 QuantifierPusher]: treesize reduction 48, result has 32.4 percent of original size [2021-03-24 15:24:01,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:01,887 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:24:01,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:01,894 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 15:24:01,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667075030] [2021-03-24 15:24:01,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060381318] [2021-03-24 15:24:01,895 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 15:24:01,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:24:01,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:01,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-24 15:24:01,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:01,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:01,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:01,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:01,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:01,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:01,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:01,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:01,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:01,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:01,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:01,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:01,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:01,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:01,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:01,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:01,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:01,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:01,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:01,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:01,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:01,993 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:24:01,993 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-24 15:24:01,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:01,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:01,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:01,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:01,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:01,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:01,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:01,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:01,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,005 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:24:02,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:24:02,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:24:02,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:24:02,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:02,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:02,014 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-03-24 15:24:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:02,030 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-24 15:24:02,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:02,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:02,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:02,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:02,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,033 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:24:02,034 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:02,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:02,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:02,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:02,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:02,076 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-24 15:24:02,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:02,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:02,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:02,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:02,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,080 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:24:02,081 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:02,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,083 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-24 15:24:02,083 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-03-24 15:24:02,084 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:24:02,084 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:02,085 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 15:24:02,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:02,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:02,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:02,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:02,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:02,157 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 15:24:02,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:02,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-03-24 15:24:02,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823058098] [2021-03-24 15:24:02,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 15:24:02,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:02,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 15:24:02,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-24 15:24:02,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:24:02,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 763 transitions, 12665 flow. Second operand has 13 states, 13 states have (on average 23.307692307692307) internal successors, (303), 13 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:02,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:02,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:24:02,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:04,080 INFO L129 PetriNetUnfolder]: 2767/5223 cut-off events. [2021-03-24 15:24:04,080 INFO L130 PetriNetUnfolder]: For 190345/190367 co-relation queries the response was YES. [2021-03-24 15:24:04,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47916 conditions, 5223 events. 2767/5223 cut-off events. For 190345/190367 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 39779 event pairs, 325 based on Foata normal form. 23/4736 useless extension candidates. Maximal degree in co-relation 47795. Up to 3222 conditions per place. [2021-03-24 15:24:04,159 INFO L132 encePairwiseOnDemand]: 26/37 looper letters, 700 selfloop transitions, 201 changer transitions 2/914 dead transitions. [2021-03-24 15:24:04,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 914 transitions, 18761 flow [2021-03-24 15:24:04,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-24 15:24:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-24 15:24:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 687 transitions. [2021-03-24 15:24:04,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7427027027027027 [2021-03-24 15:24:04,161 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 687 transitions. [2021-03-24 15:24:04,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 687 transitions. [2021-03-24 15:24:04,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:04,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 687 transitions. [2021-03-24 15:24:04,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 27.48) internal successors, (687), 25 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:04,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:04,164 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:04,164 INFO L185 Difference]: Start difference. First operand has 309 places, 763 transitions, 12665 flow. Second operand 25 states and 687 transitions. [2021-03-24 15:24:04,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 914 transitions, 18761 flow [2021-03-24 15:24:04,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 914 transitions, 17632 flow, removed 500 selfloop flow, removed 4 redundant places. [2021-03-24 15:24:04,822 INFO L241 Difference]: Finished difference. Result has 342 places, 858 transitions, 15182 flow [2021-03-24 15:24:04,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=11551, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=15182, PETRI_PLACES=342, PETRI_TRANSITIONS=858} [2021-03-24 15:24:04,823 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 312 predicate places. [2021-03-24 15:24:04,823 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 858 transitions, 15182 flow [2021-03-24 15:24:04,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 23.307692307692307) internal successors, (303), 13 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:04,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:04,823 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:05,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-24 15:24:05,028 INFO L428 AbstractCegarLoop]: === Iteration 32 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:05,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:05,028 INFO L82 PathProgramCache]: Analyzing trace with hash -4658541, now seen corresponding path program 8 times [2021-03-24 15:24:05,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:05,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885443160] [2021-03-24 15:24:05,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:05,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:05,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:05,108 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:24:05,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,117 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 15:24:05,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885443160] [2021-03-24 15:24:05,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909727647] [2021-03-24 15:24:05,118 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 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 15:24:05,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:24:05,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:05,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:24:05,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:05,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:05,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:05,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:05,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:05,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:05,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:24:05,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:05,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:05,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:05,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:05,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:05,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:05,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:05,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:05,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:05,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:05,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:05,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:05,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:05,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:05,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:24:05,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-03-24 15:24:05,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,204 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:24:05,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:05,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:05,212 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-03-24 15:24:05,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:05,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:05,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:05,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:05,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:05,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:05,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,226 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-03-24 15:24:05,226 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 15:24:05,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:05,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:05,247 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 15:24:05,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:05,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-24 15:24:05,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068671994] [2021-03-24 15:24:05,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:24:05,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:05,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:24:05,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:24:05,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:24:05,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 858 transitions, 15182 flow. Second operand has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:05,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:05,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:24:05,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:06,734 INFO L129 PetriNetUnfolder]: 2825/5331 cut-off events. [2021-03-24 15:24:06,734 INFO L130 PetriNetUnfolder]: For 246866/246888 co-relation queries the response was YES. [2021-03-24 15:24:06,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52710 conditions, 5331 events. 2825/5331 cut-off events. For 246866/246888 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 40737 event pairs, 337 based on Foata normal form. 14/4831 useless extension candidates. Maximal degree in co-relation 52575. Up to 3413 conditions per place. [2021-03-24 15:24:06,811 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 764 selfloop transitions, 123 changer transitions 0/898 dead transitions. [2021-03-24 15:24:06,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 898 transitions, 17956 flow [2021-03-24 15:24:06,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:24:06,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:24:06,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 247 transitions. [2021-03-24 15:24:06,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7417417417417418 [2021-03-24 15:24:06,812 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 247 transitions. [2021-03-24 15:24:06,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 247 transitions. [2021-03-24 15:24:06,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:06,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 247 transitions. [2021-03-24 15:24:06,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 27.444444444444443) internal successors, (247), 9 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:06,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 37.0) internal successors, (370), 10 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:06,813 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 37.0) internal successors, (370), 10 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:06,813 INFO L185 Difference]: Start difference. First operand has 342 places, 858 transitions, 15182 flow. Second operand 9 states and 247 transitions. [2021-03-24 15:24:06,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 898 transitions, 17956 flow [2021-03-24 15:24:07,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 898 transitions, 16040 flow, removed 953 selfloop flow, removed 2 redundant places. [2021-03-24 15:24:07,721 INFO L241 Difference]: Finished difference. Result has 350 places, 867 transitions, 13800 flow [2021-03-24 15:24:07,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=13266, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=735, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13800, PETRI_PLACES=350, PETRI_TRANSITIONS=867} [2021-03-24 15:24:07,722 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 320 predicate places. [2021-03-24 15:24:07,722 INFO L480 AbstractCegarLoop]: Abstraction has has 350 places, 867 transitions, 13800 flow [2021-03-24 15:24:07,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:07,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:07,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:07,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:07,923 INFO L428 AbstractCegarLoop]: === Iteration 33 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:07,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:07,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1682575813, now seen corresponding path program 10 times [2021-03-24 15:24:07,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:07,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223075921] [2021-03-24 15:24:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:07,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:07,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:07,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:07,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:07,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:07,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:07,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:07,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:07,970 INFO L142 QuantifierPusher]: treesize reduction 36, result has 41.0 percent of original size [2021-03-24 15:24:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:07,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:07,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:07,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:24:07,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,004 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 15:24:08,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223075921] [2021-03-24 15:24:08,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378943186] [2021-03-24 15:24:08,004 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 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 15:24:08,028 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:24:08,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:08,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:24:08,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:08,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:08,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:08,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:08,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:08,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:08,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:08,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:08,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:08,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:08,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:08,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:08,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:08,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:24:08,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:08,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:08,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:08,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:08,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:08,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:08,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:08,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:08,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:24:08,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-03-24 15:24:08,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:24:08,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:08,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:08,120 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-03-24 15:24:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:08,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:08,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:08,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:08,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:08,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,134 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-03-24 15:24:08,135 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 15:24:08,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:08,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:08,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:08,158 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 15:24:08,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:08,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-03-24 15:24:08,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983511172] [2021-03-24 15:24:08,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:24:08,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:08,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:24:08,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:24:08,159 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:24:08,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 867 transitions, 13800 flow. Second operand has 11 states, 11 states have (on average 23.272727272727273) internal successors, (256), 11 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:08,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:08,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:24:08,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:09,938 INFO L129 PetriNetUnfolder]: 3105/5869 cut-off events. [2021-03-24 15:24:09,938 INFO L130 PetriNetUnfolder]: For 280830/280852 co-relation queries the response was YES. [2021-03-24 15:24:09,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58617 conditions, 5869 events. 3105/5869 cut-off events. For 280830/280852 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 45636 event pairs, 364 based on Foata normal form. 16/5328 useless extension candidates. Maximal degree in co-relation 58479. Up to 1945 conditions per place. [2021-03-24 15:24:10,026 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 721 selfloop transitions, 255 changer transitions 0/987 dead transitions. [2021-03-24 15:24:10,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 987 transitions, 18506 flow [2021-03-24 15:24:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:24:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:24:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 256 transitions. [2021-03-24 15:24:10,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7687687687687688 [2021-03-24 15:24:10,028 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 256 transitions. [2021-03-24 15:24:10,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 256 transitions. [2021-03-24 15:24:10,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:10,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 256 transitions. [2021-03-24 15:24:10,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 28.444444444444443) internal successors, (256), 9 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:10,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 37.0) internal successors, (370), 10 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:10,029 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 37.0) internal successors, (370), 10 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:10,029 INFO L185 Difference]: Start difference. First operand has 350 places, 867 transitions, 13800 flow. Second operand 9 states and 256 transitions. [2021-03-24 15:24:10,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 987 transitions, 18506 flow [2021-03-24 15:24:11,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 987 transitions, 18168 flow, removed 57 selfloop flow, removed 5 redundant places. [2021-03-24 15:24:11,142 INFO L241 Difference]: Finished difference. Result has 358 places, 914 transitions, 15280 flow [2021-03-24 15:24:11,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=13462, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=867, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=212, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15280, PETRI_PLACES=358, PETRI_TRANSITIONS=914} [2021-03-24 15:24:11,144 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 328 predicate places. [2021-03-24 15:24:11,144 INFO L480 AbstractCegarLoop]: Abstraction has has 358 places, 914 transitions, 15280 flow [2021-03-24 15:24:11,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.272727272727273) internal successors, (256), 11 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:11,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:11,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:11,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:11,352 INFO L428 AbstractCegarLoop]: === Iteration 34 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:11,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:11,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1330575937, now seen corresponding path program 9 times [2021-03-24 15:24:11,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:11,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771750995] [2021-03-24 15:24:11,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:11,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:11,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:11,406 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:24:11,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,415 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 15:24:11,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771750995] [2021-03-24 15:24:11,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196827366] [2021-03-24 15:24:11,416 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 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 15:24:11,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:24:11,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:11,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:24:11,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:11,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:11,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:11,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:11,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:11,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:11,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:11,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:11,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:11,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:11,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:11,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:11,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:11,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:11,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:11,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:11,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:11,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:11,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:24:11,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:11,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:11,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:11,520 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:24:11,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:24:11,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:24:11,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:24:11,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:11,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:11,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-24 15:24:11,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:11,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:11,542 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-24 15:24:11,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:11,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:11,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:11,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:11,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,545 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:24:11,546 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:11,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:11,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:11,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:11,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:11,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:11,569 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 15:24:11,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:11,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-03-24 15:24:11,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424930092] [2021-03-24 15:24:11,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:24:11,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:11,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:24:11,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:24:11,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:24:11,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 914 transitions, 15280 flow. Second operand has 12 states, 12 states have (on average 23.25) internal successors, (279), 12 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:11,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:11,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:24:11,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:13,585 INFO L129 PetriNetUnfolder]: 3254/6155 cut-off events. [2021-03-24 15:24:13,585 INFO L130 PetriNetUnfolder]: For 308488/308512 co-relation queries the response was YES. [2021-03-24 15:24:13,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63054 conditions, 6155 events. 3254/6155 cut-off events. For 308488/308512 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 48130 event pairs, 412 based on Foata normal form. 17/5582 useless extension candidates. Maximal degree in co-relation 62911. Up to 3926 conditions per place. [2021-03-24 15:24:13,685 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 846 selfloop transitions, 160 changer transitions 0/1017 dead transitions. [2021-03-24 15:24:13,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 1017 transitions, 20573 flow [2021-03-24 15:24:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 15:24:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 15:24:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 472 transitions. [2021-03-24 15:24:13,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7503974562798092 [2021-03-24 15:24:13,686 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 472 transitions. [2021-03-24 15:24:13,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 472 transitions. [2021-03-24 15:24:13,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:13,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 472 transitions. [2021-03-24 15:24:13,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 27.764705882352942) internal successors, (472), 17 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:13,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:13,688 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:13,688 INFO L185 Difference]: Start difference. First operand has 358 places, 914 transitions, 15280 flow. Second operand 17 states and 472 transitions. [2021-03-24 15:24:13,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 1017 transitions, 20573 flow [2021-03-24 15:24:14,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 1017 transitions, 20166 flow, removed 142 selfloop flow, removed 2 redundant places. [2021-03-24 15:24:14,946 INFO L241 Difference]: Finished difference. Result has 376 places, 962 transitions, 17096 flow [2021-03-24 15:24:14,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=14917, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=784, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=17096, PETRI_PLACES=376, PETRI_TRANSITIONS=962} [2021-03-24 15:24:14,947 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 346 predicate places. [2021-03-24 15:24:14,947 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 962 transitions, 17096 flow [2021-03-24 15:24:14,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 23.25) internal successors, (279), 12 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:14,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:14,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:15,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-03-24 15:24:15,164 INFO L428 AbstractCegarLoop]: === Iteration 35 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:15,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:15,165 INFO L82 PathProgramCache]: Analyzing trace with hash 389108609, now seen corresponding path program 10 times [2021-03-24 15:24:15,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:15,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379598782] [2021-03-24 15:24:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:15,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:15,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,202 INFO L142 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-03-24 15:24:15,203 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-03-24 15:24:15,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:15,233 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:24:15,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,241 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 15:24:15,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379598782] [2021-03-24 15:24:15,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767196916] [2021-03-24 15:24:15,241 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 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 15:24:15,262 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:24:15,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:15,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:24:15,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:15,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:15,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:15,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:15,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:15,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:15,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:15,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,331 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:24:15,332 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:24:15,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:15,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:15,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:15,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:15,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:15,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:15,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:15,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:15,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 15:24:15,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-03-24 15:24:15,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:24:15,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:15,354 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:15,354 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-03-24 15:24:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:15,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:15,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:15,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:15,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:15,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:15,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:15,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:15,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:15,396 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 15:24:15,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:15,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-24 15:24:15,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501006790] [2021-03-24 15:24:15,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:24:15,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:15,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:24:15,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:24:15,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:24:15,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 962 transitions, 17096 flow. Second operand has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:15,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:15,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:24:15,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:17,413 INFO L129 PetriNetUnfolder]: 3257/6163 cut-off events. [2021-03-24 15:24:17,413 INFO L130 PetriNetUnfolder]: For 313318/313346 co-relation queries the response was YES. [2021-03-24 15:24:17,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63433 conditions, 6163 events. 3257/6163 cut-off events. For 313318/313346 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 48157 event pairs, 392 based on Foata normal form. 19/5590 useless extension candidates. Maximal degree in co-relation 63285. Up to 2058 conditions per place. [2021-03-24 15:24:17,506 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 764 selfloop transitions, 268 changer transitions 0/1043 dead transitions. [2021-03-24 15:24:17,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 1043 transitions, 21293 flow [2021-03-24 15:24:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:24:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:24:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 231 transitions. [2021-03-24 15:24:17,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7804054054054054 [2021-03-24 15:24:17,508 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 231 transitions. [2021-03-24 15:24:17,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 231 transitions. [2021-03-24 15:24:17,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:17,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 231 transitions. [2021-03-24 15:24:17,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 28.875) internal successors, (231), 8 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:17,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:17,508 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:17,508 INFO L185 Difference]: Start difference. First operand has 376 places, 962 transitions, 17096 flow. Second operand 8 states and 231 transitions. [2021-03-24 15:24:17,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 1043 transitions, 21293 flow [2021-03-24 15:24:18,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 1043 transitions, 19996 flow, removed 581 selfloop flow, removed 7 redundant places. [2021-03-24 15:24:18,650 INFO L241 Difference]: Finished difference. Result has 378 places, 970 transitions, 16705 flow [2021-03-24 15:24:18,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=15887, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16705, PETRI_PLACES=378, PETRI_TRANSITIONS=970} [2021-03-24 15:24:18,651 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 348 predicate places. [2021-03-24 15:24:18,651 INFO L480 AbstractCegarLoop]: Abstraction has has 378 places, 970 transitions, 16705 flow [2021-03-24 15:24:18,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:18,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:18,651 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:18,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:18,856 INFO L428 AbstractCegarLoop]: === Iteration 36 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:18,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:18,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1108768007, now seen corresponding path program 11 times [2021-03-24 15:24:18,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:18,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25347608] [2021-03-24 15:24:18,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:18,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:18,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:18,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:18,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:18,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25347608] [2021-03-24 15:24:18,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:24:18,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 15:24:18,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138709626] [2021-03-24 15:24:18,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 15:24:18,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:18,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 15:24:18,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 15:24:18,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:18,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 970 transitions, 16705 flow. Second operand has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:18,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:18,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:18,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:20,167 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][546], [9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 23#thread4EXITtrue, 2071#true, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 1798#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1771#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 296#(and (<= 1 n_1) (<= 0 i_3)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1836#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 298#(and (<= i_7 0) (<= 1 n_1) (<= 0 i_3)), 45#true, Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) 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n_1) (<= 0 i_3)), Black: 319#(and (<= i_7 0) (<= 0 i_3)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 364#(< n_1 (+ i_3 1)), Black: 1639#(and (<= 0 i_7) (<= i_7 0) (< 0 n_1) (< s_2 (+ s_6 1)) (<= i_3 1) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), 370#(<= 0 i_3), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1904#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= t_4 s_6)), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), Black: 1898#(and (= s_2 0) (<= 1 i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1645#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) 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1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:20,168 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:20,168 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:20,168 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:20,168 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:20,748 INFO L129 PetriNetUnfolder]: 3040/6133 cut-off events. [2021-03-24 15:24:20,749 INFO L130 PetriNetUnfolder]: For 355229/356849 co-relation queries the response was YES. [2021-03-24 15:24:20,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66430 conditions, 6133 events. 3040/6133 cut-off events. For 355229/356849 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 52036 event pairs, 291 based on Foata normal form. 97/5553 useless extension candidates. Maximal degree in co-relation 66280. Up to 2554 conditions per place. [2021-03-24 15:24:20,861 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 528 selfloop transitions, 279 changer transitions 5/1062 dead transitions. [2021-03-24 15:24:20,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 1062 transitions, 20963 flow [2021-03-24 15:24:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:24:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:24:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 254 transitions. [2021-03-24 15:24:20,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8581081081081081 [2021-03-24 15:24:20,863 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 254 transitions. [2021-03-24 15:24:20,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 254 transitions. [2021-03-24 15:24:20,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:20,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 254 transitions. [2021-03-24 15:24:20,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 31.75) internal successors, (254), 8 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:20,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:20,864 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:20,865 INFO L185 Difference]: Start difference. First operand has 378 places, 970 transitions, 16705 flow. Second operand 8 states and 254 transitions. [2021-03-24 15:24:20,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 1062 transitions, 20963 flow [2021-03-24 15:24:22,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 1062 transitions, 20519 flow, removed 69 selfloop flow, removed 4 redundant places. [2021-03-24 15:24:22,152 INFO L241 Difference]: Finished difference. Result has 384 places, 1040 transitions, 19470 flow [2021-03-24 15:24:22,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=16236, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=965, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=727, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19470, PETRI_PLACES=384, PETRI_TRANSITIONS=1040} [2021-03-24 15:24:22,153 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 354 predicate places. [2021-03-24 15:24:22,153 INFO L480 AbstractCegarLoop]: Abstraction has has 384 places, 1040 transitions, 19470 flow [2021-03-24 15:24:22,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:22,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:22,153 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:22,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-24 15:24:22,153 INFO L428 AbstractCegarLoop]: === Iteration 37 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:22,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:22,154 INFO L82 PathProgramCache]: Analyzing trace with hash -302293853, now seen corresponding path program 12 times [2021-03-24 15:24:22,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:22,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971251681] [2021-03-24 15:24:22,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:22,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:22,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:22,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:22,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:22,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:22,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:22,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971251681] [2021-03-24 15:24:22,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481210578] [2021-03-24 15:24:22,186 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 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 15:24:22,219 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 15:24:22,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:22,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:24:22,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:22,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:22,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:22,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:22,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:22,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:22,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:22,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:22,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,259 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:24:22,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:22,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:22,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:22,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:22,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:22,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:22,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:22,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:22,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:22,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:22,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:22,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:22,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:22,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 15:24:22,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311481990] [2021-03-24 15:24:22,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:24:22,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:22,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:24:22,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:24:22,298 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:22,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 1040 transitions, 19470 flow. Second operand has 11 states, 11 states have (on average 28.272727272727273) internal successors, (311), 11 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:22,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:22,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:22,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:23,826 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][573], [9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 23#thread4EXITtrue, 2071#true, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1798#(and (= 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i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 656#(and (= (select X_0 i_3) t_4) (<= i_7 0) (< 0 n_1) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2) (<= 0 i_3)), Black: 592#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 664#(and (<= i_7 0) (< 0 n_1) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 670#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 607#(and (= s_2 0) (<= i_7 0) (= s_6 0) (<= 0 i_3)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1732#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1734#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= 0 s_6) (<= s_6 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 993#true, Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:23,826 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:23,826 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:23,826 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:23,826 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:24,418 INFO L129 PetriNetUnfolder]: 2820/5672 cut-off events. [2021-03-24 15:24:24,418 INFO L130 PetriNetUnfolder]: For 358865/360301 co-relation queries the response was YES. [2021-03-24 15:24:24,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65103 conditions, 5672 events. 2820/5672 cut-off events. For 358865/360301 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 47777 event pairs, 39 based on Foata normal form. 377/5532 useless extension candidates. Maximal degree in co-relation 64950. Up to 1605 conditions per place. [2021-03-24 15:24:24,518 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 541 selfloop transitions, 352 changer transitions 16/1158 dead transitions. [2021-03-24 15:24:24,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 1158 transitions, 24035 flow [2021-03-24 15:24:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 15:24:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 15:24:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 626 transitions. [2021-03-24 15:24:24,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.845945945945946 [2021-03-24 15:24:24,519 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 626 transitions. [2021-03-24 15:24:24,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 626 transitions. [2021-03-24 15:24:24,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:24,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 626 transitions. [2021-03-24 15:24:24,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.3) internal successors, (626), 20 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:24,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 37.0) internal successors, (777), 21 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:24,522 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 37.0) internal successors, (777), 21 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:24,522 INFO L185 Difference]: Start difference. First operand has 384 places, 1040 transitions, 19470 flow. Second operand 20 states and 626 transitions. [2021-03-24 15:24:24,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 1158 transitions, 24035 flow [2021-03-24 15:24:25,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 1158 transitions, 23597 flow, removed 186 selfloop flow, removed 5 redundant places. [2021-03-24 15:24:25,811 INFO L241 Difference]: Finished difference. Result has 403 places, 1072 transitions, 21283 flow [2021-03-24 15:24:25,811 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=18822, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=21283, PETRI_PLACES=403, PETRI_TRANSITIONS=1072} [2021-03-24 15:24:25,811 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 373 predicate places. [2021-03-24 15:24:25,811 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 1072 transitions, 21283 flow [2021-03-24 15:24:25,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 28.272727272727273) internal successors, (311), 11 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:25,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:25,812 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:26,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-03-24 15:24:26,012 INFO L428 AbstractCegarLoop]: === Iteration 38 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:26,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:26,013 INFO L82 PathProgramCache]: Analyzing trace with hash 2129793173, now seen corresponding path program 13 times [2021-03-24 15:24:26,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:26,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144054115] [2021-03-24 15:24:26,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:26,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:26,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:26,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:26,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:26,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:26,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:26,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:26,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:26,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:26,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:26,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:26,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:26,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:26,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:26,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144054115] [2021-03-24 15:24:26,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:24:26,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 15:24:26,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673669018] [2021-03-24 15:24:26,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 15:24:26,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:26,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 15:24:26,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 15:24:26,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:26,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 1072 transitions, 21283 flow. Second operand has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:26,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:26,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:26,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:27,724 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][552], [9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1798#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1771#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 296#(and (<= 1 n_1) (<= 0 i_3)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1836#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 298#(and (<= i_7 0) (<= 1 n_1) (<= 0 i_3)), 45#true, Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), Black: 1332#(and (= i_7 0) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 54#true, Black: 1268#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 1295#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1337#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 801#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 774#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), 834#true, Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 567#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (or (not (= i_3 i_7)) (= t_4 s_6)) (or (= s_6 s_2) (< i_3 n_1)) (< i_7 (+ n_1 1))), Black: 569#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 571#(and (<= (+ i_3 1) i_7) (< 0 n_1) (<= i_7 (+ i_3 1)) (<= i_3 1) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (< i_7 (+ n_1 1))), Black: 573#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (or (= s_6 s_2) (< i_3 n_1)) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 575#(and (< 0 n_1) (< s_2 (+ s_6 1)) (<= i_3 1) (<= s_6 s_2) (< i_7 (+ n_1 1))), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= 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i_3 1) (<= s_6 s_2)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), 1653#true, Black: 1902#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1911#true, Black: 116#(and (<= 0 i_7) (<= i_3 0) (< 0 n_1)), Black: 374#(and (<= i_7 i_3) (<= 0 i_3)), Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 2113#(and (<= 0 i_7) (<= i_3 1)), Black: 2169#(and (<= 1 i_7) (<= i_3 1) (<= n_1 1)), Black: 2091#(<= i_3 (+ i_7 1)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), Black: 2157#(and (<= 0 i_7) (<= i_3 i_7) (<= i_3 1)), 2182#true, Black: 123#(<= i_3 0), Black: 384#(<= i_7 0), Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 392#(and (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 143#(and (<= 0 i_7) (<= 1 n_1)), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, Black: 1120#(and (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1168#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1170#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 1106#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1110#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1160#(and (< i_7 (+ i_3 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1080#(and (< i_7 (+ i_3 1)) (<= s_2 s_6) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1162#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 421#true, Black: 672#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 177#(and (<= 0 i_7) (<= 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s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1732#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1734#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= 0 s_6) (<= s_6 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 993#true, Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:27,725 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:27,725 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:27,725 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:27,725 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:28,182 INFO L129 PetriNetUnfolder]: 3031/6027 cut-off events. [2021-03-24 15:24:28,182 INFO L130 PetriNetUnfolder]: For 404659/406616 co-relation queries the response was YES. [2021-03-24 15:24:28,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72397 conditions, 6027 events. 3031/6027 cut-off events. For 404659/406616 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 50414 event pairs, 92 based on Foata normal form. 144/5606 useless extension candidates. Maximal degree in co-relation 72240. Up to 3200 conditions per place. [2021-03-24 15:24:28,287 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 700 selfloop transitions, 183 changer transitions 12/1143 dead transitions. [2021-03-24 15:24:28,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 1143 transitions, 25700 flow [2021-03-24 15:24:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 15:24:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 15:24:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 316 transitions. [2021-03-24 15:24:28,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8540540540540541 [2021-03-24 15:24:28,289 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 316 transitions. [2021-03-24 15:24:28,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 316 transitions. [2021-03-24 15:24:28,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:28,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 316 transitions. [2021-03-24 15:24:28,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 31.6) internal successors, (316), 10 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:28,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 37.0) internal successors, (407), 11 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:28,290 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 37.0) internal successors, (407), 11 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:28,290 INFO L185 Difference]: Start difference. First operand has 403 places, 1072 transitions, 21283 flow. Second operand 10 states and 316 transitions. [2021-03-24 15:24:28,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 1143 transitions, 25700 flow [2021-03-24 15:24:30,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 1143 transitions, 23493 flow, removed 1070 selfloop flow, removed 8 redundant places. [2021-03-24 15:24:30,504 INFO L241 Difference]: Finished difference. Result has 406 places, 1113 transitions, 21860 flow [2021-03-24 15:24:30,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=19636, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1065, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=899, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=21860, PETRI_PLACES=406, PETRI_TRANSITIONS=1113} [2021-03-24 15:24:30,505 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 376 predicate places. [2021-03-24 15:24:30,505 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 1113 transitions, 21860 flow [2021-03-24 15:24:30,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:30,505 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:30,505 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:30,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-24 15:24:30,505 INFO L428 AbstractCegarLoop]: === Iteration 39 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:30,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:30,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1813011617, now seen corresponding path program 11 times [2021-03-24 15:24:30,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:30,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518019540] [2021-03-24 15:24:30,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:30,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:30,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:30,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518019540] [2021-03-24 15:24:30,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086116120] [2021-03-24 15:24:30,622 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 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 15:24:30,651 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:24:30,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:30,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:24:30,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:30,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:30,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:30,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:30,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:30,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:30,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:30,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:30,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:30,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:30,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:30,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:30,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:30,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:30,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,703 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:24:30,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:30,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:30,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:30,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:30,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:30,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:30,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:30,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:30,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:30,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:30,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:30,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:30,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:30,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-24 15:24:30,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121201307] [2021-03-24 15:24:30,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:24:30,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:30,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:24:30,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:24:30,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:30,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 1113 transitions, 21860 flow. Second operand has 10 states, 10 states have (on average 28.4) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:30,735 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:30,735 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:30,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:32,182 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][523], [9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1798#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1771#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 296#(and (<= 1 n_1) (<= 0 i_3)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1836#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 298#(and (<= i_7 0) (<= 1 n_1) (<= 0 i_3)), 45#true, Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), Black: 1332#(and (= i_7 0) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 54#true, Black: 1268#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 1295#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1337#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 801#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 774#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 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(<= i_7 0) (< 0 n_1) (<= 0 i_3)), Black: 319#(and (<= i_7 0) (<= 0 i_3)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 364#(< n_1 (+ i_3 1)), Black: 1639#(and (<= 0 i_7) (<= i_7 0) (< 0 n_1) (< s_2 (+ s_6 1)) (<= i_3 1) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1904#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= t_4 s_6)), 370#(<= 0 i_3), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), Black: 1898#(and (= s_2 0) (<= 1 i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 1645#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), 1653#true, Black: 1902#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1911#true, Black: 374#(and (<= i_7 i_3) (<= 0 i_3)), Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 2113#(and (<= 0 i_7) (<= i_3 1)), Black: 2169#(and (<= 1 i_7) (<= i_3 1) (<= n_1 1)), Black: 2091#(<= i_3 (+ i_7 1)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), Black: 2157#(and (<= 0 i_7) (<= i_3 i_7) (<= i_3 1)), 2182#true, Black: 123#(<= i_3 0), Black: 384#(<= i_7 0), Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 392#(and (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), 143#(and (<= 0 i_7) (<= 1 n_1)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, Black: 1120#(and (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1168#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 2196#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 1170#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 1106#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2198#(and (<= (+ i_3 1) i_7) (<= (+ i_3 1) n_1)), Black: 1110#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2200#(and (<= (+ i_3 1) i_7) (<= (+ i_3 2) n_1)), Black: 2185#(<= i_3 i_7), Black: 1160#(and (< i_7 (+ i_3 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1080#(and (< i_7 (+ i_3 1)) (<= s_2 s_6) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1162#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 421#true, Black: 672#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 670#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 607#(and (= s_2 0) (<= i_7 0) (= s_6 0) (<= 0 i_3)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1732#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1734#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= 0 s_6) (<= s_6 0)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:32,182 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:32,182 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:32,182 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:32,182 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:32,582 INFO L129 PetriNetUnfolder]: 2891/5587 cut-off events. [2021-03-24 15:24:32,582 INFO L130 PetriNetUnfolder]: For 314982/316730 co-relation queries the response was YES. [2021-03-24 15:24:32,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64620 conditions, 5587 events. 2891/5587 cut-off events. For 314982/316730 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 45088 event pairs, 30 based on Foata normal form. 424/5563 useless extension candidates. Maximal degree in co-relation 64462. Up to 1698 conditions per place. [2021-03-24 15:24:32,677 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 626 selfloop transitions, 297 changer transitions 5/1176 dead transitions. [2021-03-24 15:24:32,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 1176 transitions, 24924 flow [2021-03-24 15:24:32,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 15:24:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 15:24:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 524 transitions. [2021-03-24 15:24:32,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8330683624801272 [2021-03-24 15:24:32,678 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 524 transitions. [2021-03-24 15:24:32,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 524 transitions. [2021-03-24 15:24:32,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:32,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 524 transitions. [2021-03-24 15:24:32,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 30.823529411764707) internal successors, (524), 17 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:32,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:32,680 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:32,680 INFO L185 Difference]: Start difference. First operand has 406 places, 1113 transitions, 21860 flow. Second operand 17 states and 524 transitions. [2021-03-24 15:24:32,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 1176 transitions, 24924 flow [2021-03-24 15:24:34,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 1176 transitions, 24452 flow, removed 184 selfloop flow, removed 7 redundant places. [2021-03-24 15:24:34,292 INFO L241 Difference]: Finished difference. Result has 415 places, 1110 transitions, 22041 flow [2021-03-24 15:24:34,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=21293, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=813, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=22041, PETRI_PLACES=415, PETRI_TRANSITIONS=1110} [2021-03-24 15:24:34,293 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 385 predicate places. [2021-03-24 15:24:34,293 INFO L480 AbstractCegarLoop]: Abstraction has has 415 places, 1110 transitions, 22041 flow [2021-03-24 15:24:34,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.4) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:34,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:34,293 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:34,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-24 15:24:34,496 INFO L428 AbstractCegarLoop]: === Iteration 40 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:34,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:34,496 INFO L82 PathProgramCache]: Analyzing trace with hash -332751525, now seen corresponding path program 14 times [2021-03-24 15:24:34,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:34,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960707972] [2021-03-24 15:24:34,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:34,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:34,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:34,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:34,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:34,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:34,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:34,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:34,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:34,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:34,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:34,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:34,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:34,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960707972] [2021-03-24 15:24:34,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:24:34,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 15:24:34,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970958063] [2021-03-24 15:24:34,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 15:24:34,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:34,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 15:24:34,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 15:24:34,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:34,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 1110 transitions, 22041 flow. Second operand has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:34,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:34,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:34,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:36,197 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][563], [9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1798#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1771#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 296#(and (<= 1 n_1) (<= 0 i_3)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1836#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 298#(and (<= i_7 0) (<= 1 n_1) (<= 0 i_3)), Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), 45#true, Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), Black: 1332#(and (= i_7 0) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 54#true, Black: 1268#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 1295#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1337#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 801#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 774#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), 834#true, Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 569#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 571#(and (<= (+ i_3 1) i_7) (< 0 n_1) (<= i_7 (+ i_3 1)) (<= i_3 1) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (< i_7 (+ n_1 1))), Black: 573#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (or (= s_6 s_2) (< i_3 n_1)) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), 587#true, Black: 358#(and (<= i_7 0) (< 0 n_1) (<= 0 i_3)), Black: 319#(and (<= i_7 0) (<= 0 i_3)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 364#(< n_1 (+ i_3 1)), Black: 1639#(and (<= 0 i_7) (<= i_7 0) (< 0 n_1) (< s_2 (+ s_6 1)) (<= i_3 1) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1904#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= t_4 s_6)), 370#(<= 0 i_3), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), Black: 1898#(and (= s_2 0) (<= 1 i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 1645#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), 1653#true, Black: 1902#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1911#true, Black: 374#(and (<= i_7 i_3) (<= 0 i_3)), Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 2113#(and (<= 0 i_7) (<= i_3 1)), Black: 2091#(<= i_3 (+ i_7 1)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), 2182#true, Black: 123#(<= i_3 0), Black: 384#(<= i_7 0), Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 392#(and (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), 143#(and (<= 0 i_7) (<= 1 n_1)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, Black: 1120#(and (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1168#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 2196#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 1170#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 1106#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2198#(and (<= (+ i_3 1) i_7) (<= (+ i_3 1) n_1)), Black: 1110#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2200#(and (<= (+ i_3 1) i_7) (<= (+ i_3 2) n_1)), Black: 2185#(<= i_3 i_7), Black: 1160#(and (< i_7 (+ i_3 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1080#(and (< i_7 (+ i_3 1)) (<= s_2 s_6) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1162#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 421#true, Black: 672#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 670#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 607#(and (= s_2 0) (<= i_7 0) (= s_6 0) (<= 0 i_3)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1732#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1734#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= 0 s_6) (<= s_6 0)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2206#true, 2289#true, Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:36,197 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:36,197 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:36,197 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:36,197 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:36,711 INFO L129 PetriNetUnfolder]: 3278/6383 cut-off events. [2021-03-24 15:24:36,711 INFO L130 PetriNetUnfolder]: For 382192/384006 co-relation queries the response was YES. [2021-03-24 15:24:36,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75508 conditions, 6383 events. 3278/6383 cut-off events. For 382192/384006 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 52798 event pairs, 76 based on Foata normal form. 103/5932 useless extension candidates. Maximal degree in co-relation 75351. Up to 1961 conditions per place. [2021-03-24 15:24:36,826 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 444 selfloop transitions, 539 changer transitions 3/1234 dead transitions. [2021-03-24 15:24:36,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 1234 transitions, 27745 flow [2021-03-24 15:24:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 15:24:36,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 15:24:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 387 transitions. [2021-03-24 15:24:36,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8716216216216216 [2021-03-24 15:24:36,827 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 387 transitions. [2021-03-24 15:24:36,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 387 transitions. [2021-03-24 15:24:36,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:36,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 387 transitions. [2021-03-24 15:24:36,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.25) internal successors, (387), 12 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:36,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:36,828 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:36,828 INFO L185 Difference]: Start difference. First operand has 415 places, 1110 transitions, 22041 flow. Second operand 12 states and 387 transitions. [2021-03-24 15:24:36,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 1234 transitions, 27745 flow [2021-03-24 15:24:38,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 1234 transitions, 26902 flow, removed 197 selfloop flow, removed 12 redundant places. [2021-03-24 15:24:38,977 INFO L241 Difference]: Finished difference. Result has 415 places, 1165 transitions, 24948 flow [2021-03-24 15:24:38,977 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=21355, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=490, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=24948, PETRI_PLACES=415, PETRI_TRANSITIONS=1165} [2021-03-24 15:24:38,977 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 385 predicate places. [2021-03-24 15:24:38,977 INFO L480 AbstractCegarLoop]: Abstraction has has 415 places, 1165 transitions, 24948 flow [2021-03-24 15:24:38,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:38,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:38,978 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:38,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-24 15:24:38,978 INFO L428 AbstractCegarLoop]: === Iteration 41 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:38,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:38,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1979267499, now seen corresponding path program 15 times [2021-03-24 15:24:38,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:38,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869777214] [2021-03-24 15:24:38,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:38,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:38,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:38,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:38,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:38,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:39,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:39,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869777214] [2021-03-24 15:24:39,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119786504] [2021-03-24 15:24:39,015 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 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 15:24:39,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 15:24:39,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:39,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:24:39,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:39,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:39,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:39,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:39,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:39,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:39,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,070 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-24 15:24:39,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:39,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:24:39,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:39,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:39,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:39,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:39,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:39,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:39,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:39,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:39,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:39,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:39,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:39,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:39,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:39,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:39,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:39,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:39,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:39,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-24 15:24:39,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120308390] [2021-03-24 15:24:39,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 15:24:39,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:39,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 15:24:39,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 15:24:39,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:39,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 1165 transitions, 24948 flow. Second operand has 9 states, 9 states have (on average 28.444444444444443) internal successors, (256), 9 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:39,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:39,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:39,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:40,816 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][592], [Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 15#L55true, 2319#(<= n_1 i_7), 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1798#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1771#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 296#(and (<= 1 n_1) (<= 0 i_3)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1836#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 298#(and (<= i_7 0) (<= 1 n_1) (<= 0 i_3)), Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), 45#true, Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) 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s_2))), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1904#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= t_4 s_6)), 370#(<= 0 i_3), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), Black: 1898#(and (= s_2 0) (<= 1 i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 1645#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), 1653#true, Black: 1902#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1911#true, Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 2113#(and (<= 0 i_7) (<= i_3 1)), Black: 2091#(<= i_3 (+ i_7 1)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), 2182#true, Black: 123#(<= i_3 0), Black: 384#(<= i_7 0), Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 392#(and (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), 143#(and (<= 0 i_7) (<= 1 n_1)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, Black: 1120#(and (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1168#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 2196#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 1170#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 1106#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2198#(and (<= (+ i_3 1) i_7) (<= (+ i_3 1) n_1)), Black: 1110#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2200#(and (<= (+ i_3 1) i_7) (<= (+ i_3 2) n_1)), Black: 2185#(<= i_3 i_7), Black: 1160#(and (< i_7 (+ i_3 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1080#(and (< i_7 (+ i_3 1)) (<= s_2 s_6) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1162#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 421#true, Black: 672#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 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(< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2206#true, 2289#true, Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:40,816 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:40,816 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:40,816 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:40,816 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:41,326 INFO L129 PetriNetUnfolder]: 3226/6269 cut-off events. [2021-03-24 15:24:41,326 INFO L130 PetriNetUnfolder]: For 388299/390309 co-relation queries the response was YES. [2021-03-24 15:24:41,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77390 conditions, 6269 events. 3226/6269 cut-off events. For 388299/390309 co-relation queries the response was YES. Maximal size of possible extension queue 708. Compared 52337 event pairs, 32 based on Foata normal form. 519/6298 useless extension candidates. Maximal degree in co-relation 77233. Up to 1963 conditions per place. [2021-03-24 15:24:41,439 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 707 selfloop transitions, 305 changer transitions 16/1276 dead transitions. [2021-03-24 15:24:41,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 1276 transitions, 29491 flow [2021-03-24 15:24:41,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 15:24:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 15:24:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 342 transitions. [2021-03-24 15:24:41,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8402948402948403 [2021-03-24 15:24:41,440 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 342 transitions. [2021-03-24 15:24:41,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 342 transitions. [2021-03-24 15:24:41,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:41,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 342 transitions. [2021-03-24 15:24:41,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:41,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:41,441 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:41,441 INFO L185 Difference]: Start difference. First operand has 415 places, 1165 transitions, 24948 flow. Second operand 11 states and 342 transitions. [2021-03-24 15:24:41,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 1276 transitions, 29491 flow [2021-03-24 15:24:43,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 1276 transitions, 28918 flow, removed 210 selfloop flow, removed 5 redundant places. [2021-03-24 15:24:43,385 INFO L241 Difference]: Finished difference. Result has 424 places, 1184 transitions, 25802 flow [2021-03-24 15:24:43,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=24427, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=873, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=25802, PETRI_PLACES=424, PETRI_TRANSITIONS=1184} [2021-03-24 15:24:43,386 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 394 predicate places. [2021-03-24 15:24:43,386 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 1184 transitions, 25802 flow [2021-03-24 15:24:43,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 28.444444444444443) internal successors, (256), 9 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:43,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:43,386 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:43,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:43,587 INFO L428 AbstractCegarLoop]: === Iteration 42 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:43,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:43,587 INFO L82 PathProgramCache]: Analyzing trace with hash 170709689, now seen corresponding path program 16 times [2021-03-24 15:24:43,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:43,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025337229] [2021-03-24 15:24:43,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:43,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:43,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:43,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025337229] [2021-03-24 15:24:43,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745661928] [2021-03-24 15:24:43,615 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 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 15:24:43,636 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:24:43,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:43,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:24:43,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:43,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:43,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:43,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:43,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:43,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:43,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:43,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:43,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:43,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:43,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:43,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:43,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,684 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:24:43,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:43,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:43,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:43,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:43,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:43,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:43,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:43,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:43,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:43,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:43,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:43,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:24:43,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353989258] [2021-03-24 15:24:43,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:24:43,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:43,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:24:43,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:24:43,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:43,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 1184 transitions, 25802 flow. Second operand has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:43,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:43,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:43,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:45,584 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][641], [Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 15#L55true, 2319#(<= n_1 i_7), 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), 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(<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 421#true, 2474#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 670#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 607#(and (= s_2 0) (<= i_7 0) (= s_6 0) (<= 0 i_3)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1732#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1734#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= 0 s_6) (<= s_6 0)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2206#true, 2289#true, Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:45,584 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:45,584 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:45,584 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:45,584 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:46,136 INFO L129 PetriNetUnfolder]: 3427/6724 cut-off events. [2021-03-24 15:24:46,136 INFO L130 PetriNetUnfolder]: For 428490/430735 co-relation queries the response was YES. [2021-03-24 15:24:46,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83361 conditions, 6724 events. 3427/6724 cut-off events. For 428490/430735 co-relation queries the response was YES. Maximal size of possible extension queue 758. Compared 56968 event pairs, 24 based on Foata normal form. 550/6686 useless extension candidates. Maximal degree in co-relation 83200. Up to 2081 conditions per place. [2021-03-24 15:24:46,450 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 491 selfloop transitions, 546 changer transitions 11/1296 dead transitions. [2021-03-24 15:24:46,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 1296 transitions, 30804 flow [2021-03-24 15:24:46,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 15:24:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 15:24:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 598 transitions. [2021-03-24 15:24:46,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8506401137980085 [2021-03-24 15:24:46,452 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 598 transitions. [2021-03-24 15:24:46,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 598 transitions. [2021-03-24 15:24:46,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:46,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 598 transitions. [2021-03-24 15:24:46,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.473684210526315) internal successors, (598), 19 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:46,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:46,454 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:46,454 INFO L185 Difference]: Start difference. First operand has 424 places, 1184 transitions, 25802 flow. Second operand 19 states and 598 transitions. [2021-03-24 15:24:46,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 1296 transitions, 30804 flow [2021-03-24 15:24:48,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 1296 transitions, 30132 flow, removed 310 selfloop flow, removed 4 redundant places. [2021-03-24 15:24:48,583 INFO L241 Difference]: Finished difference. Result has 442 places, 1215 transitions, 28220 flow [2021-03-24 15:24:48,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=25025, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=506, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=28220, PETRI_PLACES=442, PETRI_TRANSITIONS=1215} [2021-03-24 15:24:48,584 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 412 predicate places. [2021-03-24 15:24:48,584 INFO L480 AbstractCegarLoop]: Abstraction has has 442 places, 1215 transitions, 28220 flow [2021-03-24 15:24:48,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:48,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:48,585 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:48,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:48,785 INFO L428 AbstractCegarLoop]: === Iteration 43 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:48,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:48,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1764423703, now seen corresponding path program 17 times [2021-03-24 15:24:48,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:48,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976567905] [2021-03-24 15:24:48,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:48,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:48,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:48,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:48,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976567905] [2021-03-24 15:24:48,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450259044] [2021-03-24 15:24:48,819 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 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 15:24:48,873 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:24:48,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:48,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:24:48,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:48,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:48,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:48,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:48,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:48,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:48,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:48,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,901 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:24:48,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:48,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:48,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:48,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:48,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:48,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:48,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:48,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:48,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:48,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:48,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:48,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:48,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:48,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:48,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:48,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:24:48,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458138319] [2021-03-24 15:24:48,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:24:48,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:48,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:24:48,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:24:48,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:48,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 1215 transitions, 28220 flow. Second operand has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:48,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:48,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:48,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:50,748 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][621], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 2319#(<= n_1 i_7), 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 23#thread4EXITtrue, 2071#true, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1798#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1771#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 296#(and (<= 1 n_1) (<= 0 i_3)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1836#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 298#(and (<= i_7 0) (<= 1 n_1) (<= 0 i_3)), Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), 45#true, Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), Black: 1332#(and (= i_7 0) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 54#true, Black: 1268#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 1295#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1337#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 801#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 774#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), 834#true, Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), 587#true, Black: 2316#(<= i_3 1), Black: 2381#(and (<= i_3 1) (<= n_1 i_7)), Black: 358#(and (<= i_7 0) (< 0 n_1) (<= 0 i_3)), Black: 319#(and (<= i_7 0) (<= 0 i_3)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 364#(< n_1 (+ i_3 1)), Black: 1639#(and (<= 0 i_7) (<= i_7 0) (< 0 n_1) (< s_2 (+ s_6 1)) (<= i_3 1) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1904#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= t_4 s_6)), 370#(<= 0 i_3), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), Black: 1898#(and (= s_2 0) (<= 1 i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 1645#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), 1653#true, Black: 1902#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1911#true, Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 2113#(and (<= 0 i_7) (<= i_3 1)), Black: 2091#(<= i_3 (+ i_7 1)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), 2182#true, Black: 123#(<= i_3 0), Black: 384#(<= i_7 0), Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 392#(and (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), 143#(and (<= 0 i_7) (<= 1 n_1)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and 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1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 421#true, 2474#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 2466#(and (<= 1 i_7) (<= i_3 1) (<= n_1 i_7)), Black: 2470#(and (<= 1 i_7) (<= i_3 1) (<= n_1 1)), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2428#(and (<= 1 i_7) (<= i_3 1)), Black: 2397#(<= i_3 (+ i_7 1)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2398#(<= i_3 i_7), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 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1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2206#true, 2289#true, Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:50,748 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:50,748 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:50,748 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:50,748 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:51,497 INFO L129 PetriNetUnfolder]: 3278/6365 cut-off events. [2021-03-24 15:24:51,497 INFO L130 PetriNetUnfolder]: For 432701/434808 co-relation queries the response was YES. [2021-03-24 15:24:51,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84107 conditions, 6365 events. 3278/6365 cut-off events. For 432701/434808 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 53149 event pairs, 21 based on Foata normal form. 514/6385 useless extension candidates. Maximal degree in co-relation 83941. Up to 2068 conditions per place. [2021-03-24 15:24:51,613 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 619 selfloop transitions, 395 changer transitions 13/1275 dead transitions. [2021-03-24 15:24:51,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 1275 transitions, 31653 flow [2021-03-24 15:24:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 15:24:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 15:24:51,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 464 transitions. [2021-03-24 15:24:51,614 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.836036036036036 [2021-03-24 15:24:51,614 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 464 transitions. [2021-03-24 15:24:51,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 464 transitions. [2021-03-24 15:24:51,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:51,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 464 transitions. [2021-03-24 15:24:51,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.933333333333334) internal successors, (464), 15 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 15:24:51,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 37.0) internal successors, (592), 16 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:51,616 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 37.0) internal successors, (592), 16 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:51,616 INFO L185 Difference]: Start difference. First operand has 442 places, 1215 transitions, 28220 flow. Second operand 15 states and 464 transitions. [2021-03-24 15:24:51,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 1275 transitions, 31653 flow [2021-03-24 15:24:54,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 1275 transitions, 30519 flow, removed 402 selfloop flow, removed 9 redundant places. [2021-03-24 15:24:54,319 INFO L241 Difference]: Finished difference. Result has 448 places, 1204 transitions, 27681 flow [2021-03-24 15:24:54,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=27110, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=395, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=820, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=27681, PETRI_PLACES=448, PETRI_TRANSITIONS=1204} [2021-03-24 15:24:54,320 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 418 predicate places. [2021-03-24 15:24:54,320 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 1204 transitions, 27681 flow [2021-03-24 15:24:54,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:54,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:54,320 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:54,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-03-24 15:24:54,523 INFO L428 AbstractCegarLoop]: === Iteration 44 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:54,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:54,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1284854903, now seen corresponding path program 18 times [2021-03-24 15:24:54,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:54,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317449841] [2021-03-24 15:24:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:54,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:54,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:54,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317449841] [2021-03-24 15:24:54,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110553586] [2021-03-24 15:24:54,555 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 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 15:24:54,581 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 15:24:54,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:54,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:24:54,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:54,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:54,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:54,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:54,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:54,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:54,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:54,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:54,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:24:54,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:54,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:24:54,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:54,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:54,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:54,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:54,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:54,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:54,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:54,647 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:24:54,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:54,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:54,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:54,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:54,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:54,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:54,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:54,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-24 15:24:54,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329623470] [2021-03-24 15:24:54,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 15:24:54,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:54,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 15:24:54,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 15:24:54,658 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:54,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 1204 transitions, 27681 flow. Second operand has 9 states, 9 states have (on average 28.333333333333332) internal successors, (255), 9 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 15:24:54,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:54,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:54,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:56,315 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][659], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2565#(and (<= 1 i_7) (<= i_3 1) (<= n_1 1)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 2571#(<= 1 i_7), 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 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622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 670#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 607#(and (= s_2 0) (<= i_7 0) (= s_6 0) (<= 0 i_3)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1732#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1734#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= 0 s_6) (<= s_6 0)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2206#true, 2289#true, Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:24:56,316 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:24:56,316 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:56,316 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:56,316 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:57,061 INFO L129 PetriNetUnfolder]: 3370/6546 cut-off events. [2021-03-24 15:24:57,061 INFO L130 PetriNetUnfolder]: For 358546/360392 co-relation queries the response was YES. [2021-03-24 15:24:57,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79188 conditions, 6546 events. 3370/6546 cut-off events. For 358546/360392 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 54108 event pairs, 41 based on Foata normal form. 90/6057 useless extension candidates. Maximal degree in co-relation 79020. Up to 2472 conditions per place. [2021-03-24 15:24:57,187 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 801 selfloop transitions, 280 changer transitions 6/1335 dead transitions. [2021-03-24 15:24:57,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 1335 transitions, 33474 flow [2021-03-24 15:24:57,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 15:24:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 15:24:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 225 transitions. [2021-03-24 15:24:57,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8687258687258688 [2021-03-24 15:24:57,188 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 225 transitions. [2021-03-24 15:24:57,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 225 transitions. [2021-03-24 15:24:57,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:57,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 225 transitions. [2021-03-24 15:24:57,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 32.142857142857146) internal successors, (225), 7 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:57,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:57,189 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:57,189 INFO L185 Difference]: Start difference. First operand has 448 places, 1204 transitions, 27681 flow. Second operand 7 states and 225 transitions. [2021-03-24 15:24:57,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 1335 transitions, 33474 flow [2021-03-24 15:24:59,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 1335 transitions, 32784 flow, removed 50 selfloop flow, removed 13 redundant places. [2021-03-24 15:24:59,350 INFO L241 Difference]: Finished difference. Result has 440 places, 1226 transitions, 28355 flow [2021-03-24 15:24:59,351 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=27097, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=258, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=924, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28355, PETRI_PLACES=440, PETRI_TRANSITIONS=1226} [2021-03-24 15:24:59,351 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 410 predicate places. [2021-03-24 15:24:59,351 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 1226 transitions, 28355 flow [2021-03-24 15:24:59,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 28.333333333333332) internal successors, (255), 9 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 15:24:59,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:59,352 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:59,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:59,552 INFO L428 AbstractCegarLoop]: === Iteration 45 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:24:59,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:59,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2010584329, now seen corresponding path program 19 times [2021-03-24 15:24:59,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:59,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883472339] [2021-03-24 15:24:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:59,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:59,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:59,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:59,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:59,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:24:59,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:59,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883472339] [2021-03-24 15:24:59,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246715113] [2021-03-24 15:24:59,579 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 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 15:24:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:59,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:24:59,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:59,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:59,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:59,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:59,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:59,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:59,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:59,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:59,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:59,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:59,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:59,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:24:59,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:59,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:59,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:59,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:59,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:59,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:59,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:59,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:24:59,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:59,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:24:59,657 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:24:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:59,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:59,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:59,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:24:59,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:59,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:59,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:59,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:24:59,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585368017] [2021-03-24 15:24:59,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:24:59,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:59,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:24:59,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:24:59,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:24:59,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 1226 transitions, 28355 flow. Second operand has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:59,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:59,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:24:59,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:01,669 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][639], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 2571#(<= 1 i_7), 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1798#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1771#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 296#(and (<= 1 n_1) (<= 0 i_3)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1836#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 298#(and (<= i_7 0) (<= 1 n_1) (<= 0 i_3)), Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), 45#true, Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), Black: 1332#(and (= i_7 0) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 54#true, Black: 1268#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 1295#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1337#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 801#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 774#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), 834#true, Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), 587#true, Black: 2634#(and (<= 1 i_7) (<= i_3 0) (<= 2 n_1)), Black: 2636#(and (<= 1 i_7) (<= i_3 1) (<= 2 n_1)), 2643#(<= 1 i_7), Black: 2316#(<= i_3 1), Black: 2381#(and (<= i_3 1) (<= n_1 i_7)), Black: 358#(and (<= i_7 0) (< 0 n_1) (<= 0 i_3)), Black: 319#(and (<= i_7 0) (<= 0 i_3)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 364#(< n_1 (+ i_3 1)), Black: 1639#(and (<= 0 i_7) (<= i_7 0) (< 0 n_1) (< s_2 (+ s_6 1)) (<= i_3 1) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1904#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= t_4 s_6)), 370#(<= 0 i_3), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), Black: 1898#(and (= s_2 0) (<= 1 i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 1645#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), 1653#true, Black: 1902#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1911#true, Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 2091#(<= i_3 (+ i_7 1)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), 2182#true, Black: 123#(<= i_3 0), Black: 384#(<= i_7 0), Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 392#(and (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), 143#(and (<= 0 i_7) (<= 1 n_1)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, Black: 1120#(and (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1168#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 2196#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 1170#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 1106#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2198#(and (<= (+ i_3 1) i_7) (<= (+ i_3 1) n_1)), Black: 1110#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2200#(and (<= (+ i_3 1) i_7) (<= (+ i_3 2) n_1)), Black: 2185#(<= i_3 i_7), Black: 1160#(and (< i_7 (+ i_3 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1080#(and (< i_7 (+ i_3 1)) (<= s_2 s_6) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 1162#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 421#true, 2474#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 2466#(and (<= 1 i_7) (<= i_3 1) (<= n_1 i_7)), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2428#(and (<= 1 i_7) (<= i_3 1)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2397#(<= i_3 (+ i_7 1)), Black: 2398#(<= i_3 i_7), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 670#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 607#(and (= s_2 0) (<= i_7 0) (= s_6 0) (<= 0 i_3)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1732#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1734#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= 0 s_6) (<= s_6 0)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2206#true, 2289#true, Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:25:01,669 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:25:01,669 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:01,669 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:01,669 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:02,284 INFO L129 PetriNetUnfolder]: 3487/6717 cut-off events. [2021-03-24 15:25:02,285 INFO L130 PetriNetUnfolder]: For 371875/373876 co-relation queries the response was YES. [2021-03-24 15:25:02,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82174 conditions, 6717 events. 3487/6717 cut-off events. For 371875/373876 co-relation queries the response was YES. Maximal size of possible extension queue 733. Compared 55322 event pairs, 47 based on Foata normal form. 134/6282 useless extension candidates. Maximal degree in co-relation 82007. Up to 3812 conditions per place. [2021-03-24 15:25:02,414 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 891 selfloop transitions, 197 changer transitions 2/1338 dead transitions. [2021-03-24 15:25:02,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 1338 transitions, 33919 flow [2021-03-24 15:25:02,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 15:25:02,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 15:25:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 352 transitions. [2021-03-24 15:25:02,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8648648648648649 [2021-03-24 15:25:02,415 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 352 transitions. [2021-03-24 15:25:02,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 352 transitions. [2021-03-24 15:25:02,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:02,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 352 transitions. [2021-03-24 15:25:02,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.0) internal successors, (352), 11 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:02,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:02,416 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:02,416 INFO L185 Difference]: Start difference. First operand has 440 places, 1226 transitions, 28355 flow. Second operand 11 states and 352 transitions. [2021-03-24 15:25:02,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 1338 transitions, 33919 flow [2021-03-24 15:25:05,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 1338 transitions, 32896 flow, removed 333 selfloop flow, removed 4 redundant places. [2021-03-24 15:25:05,027 INFO L241 Difference]: Finished difference. Result has 451 places, 1314 transitions, 30758 flow [2021-03-24 15:25:05,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=27522, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1067, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30758, PETRI_PLACES=451, PETRI_TRANSITIONS=1314} [2021-03-24 15:25:05,028 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 421 predicate places. [2021-03-24 15:25:05,028 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 1314 transitions, 30758 flow [2021-03-24 15:25:05,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:05,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:05,029 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:05,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:25:05,229 INFO L428 AbstractCegarLoop]: === Iteration 46 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:25:05,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:05,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1989263177, now seen corresponding path program 20 times [2021-03-24 15:25:05,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:05,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394018073] [2021-03-24 15:25:05,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:05,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:05,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:05,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394018073] [2021-03-24 15:25:05,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661705106] [2021-03-24 15:25:05,254 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 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 15:25:05,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:25:05,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:25:05,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:25:05,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:25:05,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:05,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:05,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:05,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:05,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:05,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:05,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,399 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-03-24 15:25:05,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:05,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:05,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:05,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:05,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:05,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:05,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:05,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:05,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:05,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:05,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:05,428 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:25:05,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:05,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:05,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:05,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:25:05,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:05,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:05,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:25:05,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:25:05,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501233361] [2021-03-24 15:25:05,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:25:05,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:05,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:25:05,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:25:05,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:25:05,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 1314 transitions, 30758 flow. Second operand has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:05,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:05,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:25:05,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:07,494 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][724], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 23#thread4EXITtrue, 2071#true, Black: 1536#(and (= s_2 0) (<= 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s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2206#true, 2289#true, Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:25:07,494 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:25:07,494 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:07,494 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:07,494 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:08,427 INFO L129 PetriNetUnfolder]: 3726/7175 cut-off events. [2021-03-24 15:25:08,428 INFO L130 PetriNetUnfolder]: For 426731/428822 co-relation queries the response was YES. [2021-03-24 15:25:08,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91565 conditions, 7175 events. 3726/7175 cut-off events. For 426731/428822 co-relation queries the response was YES. Maximal size of possible extension queue 771. Compared 59830 event pairs, 64 based on Foata normal form. 163/6740 useless extension candidates. Maximal degree in co-relation 91394. Up to 3625 conditions per place. [2021-03-24 15:25:08,558 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 846 selfloop transitions, 353 changer transitions 9/1456 dead transitions. [2021-03-24 15:25:08,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 1456 transitions, 37685 flow [2021-03-24 15:25:08,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 15:25:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 15:25:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 382 transitions. [2021-03-24 15:25:08,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8603603603603603 [2021-03-24 15:25:08,560 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 382 transitions. [2021-03-24 15:25:08,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 382 transitions. [2021-03-24 15:25:08,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:08,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 382 transitions. [2021-03-24 15:25:08,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.833333333333332) internal successors, (382), 12 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:08,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:08,562 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:08,562 INFO L185 Difference]: Start difference. First operand has 451 places, 1314 transitions, 30758 flow. Second operand 12 states and 382 transitions. [2021-03-24 15:25:08,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 1456 transitions, 37685 flow [2021-03-24 15:25:11,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 1456 transitions, 36788 flow, removed 331 selfloop flow, removed 5 redundant places. [2021-03-24 15:25:11,342 INFO L241 Difference]: Finished difference. Result has 461 places, 1399 transitions, 34066 flow [2021-03-24 15:25:11,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=29992, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1021, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34066, PETRI_PLACES=461, PETRI_TRANSITIONS=1399} [2021-03-24 15:25:11,344 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 431 predicate places. [2021-03-24 15:25:11,344 INFO L480 AbstractCegarLoop]: Abstraction has has 461 places, 1399 transitions, 34066 flow [2021-03-24 15:25:11,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:11,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:11,344 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:11,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-03-24 15:25:11,544 INFO L428 AbstractCegarLoop]: === Iteration 47 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:25:11,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:11,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1050198437, now seen corresponding path program 21 times [2021-03-24 15:25:11,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:11,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516215830] [2021-03-24 15:25:11,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:11,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:11,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:11,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:11,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:11,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:11,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:11,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516215830] [2021-03-24 15:25:11,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785323513] [2021-03-24 15:25:11,571 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 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 15:25:11,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 15:25:11,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:25:11,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:25:11,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:25:11,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:11,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:11,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:11,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:11,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:11,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:11,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:11,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:11,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:11,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:11,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:11,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:11,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:11,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:11,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:11,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:11,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:11,655 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:25:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:11,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:25:11,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:11,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:11,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:25:11,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 15:25:11,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949576357] [2021-03-24 15:25:11,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:25:11,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:11,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:25:11,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:25:11,665 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:25:11,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 1399 transitions, 34066 flow. Second operand has 11 states, 11 states have (on average 28.363636363636363) internal successors, (312), 11 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:11,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:11,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:25:11,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:14,048 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][727], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1798#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1771#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 296#(and (<= 1 n_1) (<= 0 i_3)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1836#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 298#(and (<= i_7 0) (<= 1 n_1) (<= 0 i_3)), Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), 45#true, Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), Black: 1332#(and (= i_7 0) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 54#true, Black: 1268#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 1295#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 1337#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 801#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 774#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), 834#true, Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), 587#true, Black: 2634#(and (<= 1 i_7) (<= i_3 0) (<= 2 n_1)), Black: 2636#(and (<= 1 i_7) (<= i_3 1) (<= 2 n_1)), 2643#(<= 1 i_7), Black: 2316#(<= i_3 1), Black: 2381#(and (<= i_3 1) (<= n_1 i_7)), Black: 358#(and (<= i_7 0) (< 0 n_1) (<= 0 i_3)), Black: 319#(and (<= i_7 0) (<= 0 i_3)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 364#(< n_1 (+ i_3 1)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1904#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= t_4 s_6)), 370#(<= 0 i_3), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), Black: 1898#(and (= s_2 0) (<= 1 i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 1645#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= i_3 1) (<= s_6 s_2)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), 1653#true, Black: 1902#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1911#true, Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 2091#(<= i_3 (+ i_7 1)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), 2182#true, Black: 123#(<= i_3 0), Black: 384#(<= i_7 0), Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 392#(and (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, Black: 1120#(and (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1168#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 2196#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 1170#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 1106#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2198#(and (<= (+ i_3 1) i_7) (<= (+ i_3 1) n_1)), Black: 1110#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2200#(and (<= (+ i_3 1) i_7) (<= (+ i_3 2) n_1)), Black: 2185#(<= i_3 i_7), Black: 2707#(and (<= 1 i_7) (< 1 n_1) (<= i_3 1)), Black: 1080#(and (< i_7 (+ i_3 1)) (<= s_2 s_6) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 2709#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (< 1 n_1) (<= i_3 1)), Black: 2711#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (< 1 n_1) (<= i_3 1) (<= (+ i_3 2) n_1)), Black: 1162#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 2713#(and (<= 1 i_7) (<= (+ i_3 1) n_1)), Black: 2715#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (<= (+ i_3 1) n_1)), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 2725#(<= 1 i_7), 421#true, 2474#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 2466#(and (<= 1 i_7) (<= i_3 1) (<= n_1 i_7)), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2428#(and (<= 1 i_7) (<= i_3 1)), Black: 2397#(<= i_3 (+ i_7 1)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 2398#(<= i_3 i_7), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 670#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 607#(and (= s_2 0) (<= i_7 0) (= s_6 0) (<= 0 i_3)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1732#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1734#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= 0 s_6) (<= s_6 0)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1736#(and (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), 993#true, Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2789#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (<= (+ i_3 1) n_1)), Black: 2791#(and (<= 1 i_7) (<= i_3 i_7)), Black: 2206#true, Black: 2797#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (< 1 n_1) (<= i_3 1)), 2289#true, Black: 2751#(and (<= 1 i_7) (<= i_3 1)), 2805#(<= 0 i_7), Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:25:14,048 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:25:14,048 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:14,048 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:14,048 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:14,982 INFO L129 PetriNetUnfolder]: 4015/7625 cut-off events. [2021-03-24 15:25:14,982 INFO L130 PetriNetUnfolder]: For 517338/519765 co-relation queries the response was YES. [2021-03-24 15:25:15,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107443 conditions, 7625 events. 4015/7625 cut-off events. For 517338/519765 co-relation queries the response was YES. Maximal size of possible extension queue 835. Compared 63878 event pairs, 74 based on Foata normal form. 124/7245 useless extension candidates. Maximal degree in co-relation 107268. Up to 4192 conditions per place. [2021-03-24 15:25:15,355 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 986 selfloop transitions, 376 changer transitions 8/1618 dead transitions. [2021-03-24 15:25:15,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 1618 transitions, 44494 flow [2021-03-24 15:25:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 15:25:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 15:25:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 414 transitions. [2021-03-24 15:25:15,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607068607068608 [2021-03-24 15:25:15,356 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 414 transitions. [2021-03-24 15:25:15,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 414 transitions. [2021-03-24 15:25:15,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:15,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 414 transitions. [2021-03-24 15:25:15,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.846153846153847) internal successors, (414), 13 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:15,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:15,358 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:15,358 INFO L185 Difference]: Start difference. First operand has 461 places, 1399 transitions, 34066 flow. Second operand 13 states and 414 transitions. [2021-03-24 15:25:15,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 1618 transitions, 44494 flow [2021-03-24 15:25:18,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 1618 transitions, 43539 flow, removed 388 selfloop flow, removed 5 redundant places. [2021-03-24 15:25:18,895 INFO L241 Difference]: Finished difference. Result has 474 places, 1575 transitions, 40757 flow [2021-03-24 15:25:18,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=33415, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=40757, PETRI_PLACES=474, PETRI_TRANSITIONS=1575} [2021-03-24 15:25:18,896 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 444 predicate places. [2021-03-24 15:25:18,896 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 1575 transitions, 40757 flow [2021-03-24 15:25:18,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 28.363636363636363) internal successors, (312), 11 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:18,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:18,896 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:19,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:25:19,118 INFO L428 AbstractCegarLoop]: === Iteration 48 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:25:19,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:19,118 INFO L82 PathProgramCache]: Analyzing trace with hash 387389165, now seen corresponding path program 22 times [2021-03-24 15:25:19,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:19,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679851185] [2021-03-24 15:25:19,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:19,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:19,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:19,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:19,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:19,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:19,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:19,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:19,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:19,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:19,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:19,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:19,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:19,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:19,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679851185] [2021-03-24 15:25:19,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:25:19,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 15:25:19,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746695005] [2021-03-24 15:25:19,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 15:25:19,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:19,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 15:25:19,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 15:25:19,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:25:19,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 1575 transitions, 40757 flow. Second operand has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:19,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:19,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:25:19,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:21,646 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][731], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 23#thread4EXITtrue, 2071#true, Black: 1536#(and (= s_2 0) (<= 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Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2789#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (<= (+ i_3 1) n_1)), Black: 2206#true, Black: 2791#(and (<= 1 i_7) (<= i_3 i_7)), Black: 2797#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (< 1 n_1) (<= i_3 1)), 2289#true, Black: 2751#(and (<= 1 i_7) (<= i_3 1)), 2805#(<= 0 i_7), Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:25:21,646 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:25:21,646 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:21,646 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:21,646 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:23,056 INFO L129 PetriNetUnfolder]: 4433/8432 cut-off events. [2021-03-24 15:25:23,056 INFO L130 PetriNetUnfolder]: For 623521/626196 co-relation queries the response was YES. [2021-03-24 15:25:23,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123743 conditions, 8432 events. 4433/8432 cut-off events. For 623521/626196 co-relation queries the response was YES. Maximal size of possible extension queue 919. Compared 71661 event pairs, 67 based on Foata normal form. 127/7958 useless extension candidates. Maximal degree in co-relation 123563. Up to 3622 conditions per place. [2021-03-24 15:25:23,230 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 792 selfloop transitions, 647 changer transitions 6/1693 dead transitions. [2021-03-24 15:25:23,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 1693 transitions, 48125 flow [2021-03-24 15:25:23,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 15:25:23,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 15:25:23,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 193 transitions. [2021-03-24 15:25:23,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8693693693693694 [2021-03-24 15:25:23,231 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 193 transitions. [2021-03-24 15:25:23,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 193 transitions. [2021-03-24 15:25:23,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:23,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 193 transitions. [2021-03-24 15:25:23,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:23,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:23,232 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:23,232 INFO L185 Difference]: Start difference. First operand has 474 places, 1575 transitions, 40757 flow. Second operand 6 states and 193 transitions. [2021-03-24 15:25:23,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 1693 transitions, 48125 flow [2021-03-24 15:25:27,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 1693 transitions, 47472 flow, removed 288 selfloop flow, removed 4 redundant places. [2021-03-24 15:25:27,939 INFO L241 Difference]: Finished difference. Result has 478 places, 1654 transitions, 45828 flow [2021-03-24 15:25:27,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=40045, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=572, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=984, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=45828, PETRI_PLACES=478, PETRI_TRANSITIONS=1654} [2021-03-24 15:25:27,940 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 448 predicate places. [2021-03-24 15:25:27,940 INFO L480 AbstractCegarLoop]: Abstraction has has 478 places, 1654 transitions, 45828 flow [2021-03-24 15:25:27,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:27,940 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:27,940 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:27,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-24 15:25:27,940 INFO L428 AbstractCegarLoop]: === Iteration 49 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:25:27,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:27,941 INFO L82 PathProgramCache]: Analyzing trace with hash 2026801527, now seen corresponding path program 23 times [2021-03-24 15:25:27,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:27,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490666776] [2021-03-24 15:25:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:27,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:27,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:27,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:27,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:27,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:27,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:27,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:27,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:27,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490666776] [2021-03-24 15:25:27,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665048256] [2021-03-24 15:25:27,968 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 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 15:25:28,022 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:25:28,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:25:28,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:25:28,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:25:28,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:28,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:28,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:28,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:28,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:28,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:28,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:28,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:28,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:28,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:28,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:28,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:28,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:28,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:28,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:28,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:28,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:28,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:28,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,061 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:25:28,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:28,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:28,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:28,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:28,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:28,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:25:28,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:25:28,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660780459] [2021-03-24 15:25:28,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:25:28,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:28,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:25:28,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:25:28,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:25:28,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 1654 transitions, 45828 flow. Second operand has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:28,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:28,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:25:28,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:31,087 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][732], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), Black: 2305#(and (<= (+ i_3 1) n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2307#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2293#(<= i_3 (+ i_7 1)), Black: 2294#(<= i_3 i_7), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= 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2428#(and (<= 1 i_7) (<= i_3 1)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2397#(<= i_3 (+ i_7 1)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 2398#(<= i_3 i_7), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 175#(and (<= 0 i_7) (<= n_1 i_7)), Black: 590#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 668#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 670#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 607#(and (= s_2 0) (<= i_7 0) (= s_6 0) (<= 0 i_3)), Black: 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(= (select X_0 i_3) s_2) (= s_6 0)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1738#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= n_1 1) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1740#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 1742#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1746#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1)) (<= n_1 1)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1750#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1656#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 993#true, Black: 1720#(and (= (select X_0 i_3) t_4) (<= 0 i_7) (<= i_7 0) (< i_3 (+ n_1 1)) (<= s_2 s_6) (<= i_3 (+ i_7 1)) (= s_6 0) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1688#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1722#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 1658#(and (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), 2277#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 1191#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1255#(and (= i_3 1) (<= s_2 0) (<= 0 s_2) (= t_5 s_6) (= (select X_0 i_3) t_5)), Black: 1257#(and (exists ((i_3 Int)) (and (<= i_3 1) (<= 1 i_3) (= (select X_0 i_3) t_5))) (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), 1262#true, Black: 201#(and (<= 0 i_7) (<= i_3 0)), Black: 2209#(<= i_3 i_7), Black: 2789#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (<= (+ i_3 1) n_1)), Black: 2791#(and (<= 1 i_7) (<= i_3 i_7)), Black: 2206#true, 2289#true, Black: 2797#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (< 1 n_1) (<= i_3 1)), Black: 2751#(and (<= 1 i_7) (<= i_3 1)), 2805#(<= 0 i_7), Black: 708#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 735#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6))]) [2021-03-24 15:25:31,087 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:25:31,087 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:31,087 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:31,087 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:32,533 INFO L129 PetriNetUnfolder]: 4355/8160 cut-off events. [2021-03-24 15:25:32,534 INFO L130 PetriNetUnfolder]: For 636126/638951 co-relation queries the response was YES. [2021-03-24 15:25:32,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120894 conditions, 8160 events. 4355/8160 cut-off events. For 636126/638951 co-relation queries the response was YES. Maximal size of possible extension queue 901. Compared 68033 event pairs, 32 based on Foata normal form. 599/8177 useless extension candidates. Maximal degree in co-relation 120711. Up to 3164 conditions per place. [2021-03-24 15:25:32,766 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 723 selfloop transitions, 748 changer transitions 14/1733 dead transitions. [2021-03-24 15:25:32,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 1733 transitions, 51130 flow [2021-03-24 15:25:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 15:25:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 15:25:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 530 transitions. [2021-03-24 15:25:32,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8426073131955485 [2021-03-24 15:25:32,767 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 530 transitions. [2021-03-24 15:25:32,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 530 transitions. [2021-03-24 15:25:32,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:32,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 530 transitions. [2021-03-24 15:25:32,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.176470588235293) internal successors, (530), 17 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:32,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:32,768 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:32,768 INFO L185 Difference]: Start difference. First operand has 478 places, 1654 transitions, 45828 flow. Second operand 17 states and 530 transitions. [2021-03-24 15:25:32,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 1733 transitions, 51130 flow [2021-03-24 15:25:37,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 1733 transitions, 50349 flow, removed 386 selfloop flow, removed 1 redundant places. [2021-03-24 15:25:37,434 INFO L241 Difference]: Finished difference. Result has 496 places, 1666 transitions, 47417 flow [2021-03-24 15:25:37,435 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=44871, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=728, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=904, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=47417, PETRI_PLACES=496, PETRI_TRANSITIONS=1666} [2021-03-24 15:25:37,435 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 466 predicate places. [2021-03-24 15:25:37,435 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 1666 transitions, 47417 flow [2021-03-24 15:25:37,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:37,435 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:37,436 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:37,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-03-24 15:25:37,643 INFO L428 AbstractCegarLoop]: === Iteration 50 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:25:37,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:37,644 INFO L82 PathProgramCache]: Analyzing trace with hash 55596973, now seen corresponding path program 24 times [2021-03-24 15:25:37,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:37,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322249821] [2021-03-24 15:25:37,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:37,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:37,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:37,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:37,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:37,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:37,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:37,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322249821] [2021-03-24 15:25:37,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142289988] [2021-03-24 15:25:37,681 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:25:37,723 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 15:25:37,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:25:37,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:25:37,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:25:37,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:37,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:37,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:37,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:37,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:37,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:37,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:37,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:37,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,755 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:25:37,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:37,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:37,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:37,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:37,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:37,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:37,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:37,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:37,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:37,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:37,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:37,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:37,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:37,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:37,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:37,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:25:37,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 15:25:37,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855295991] [2021-03-24 15:25:37,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:25:37,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:37,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:25:37,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:25:37,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:25:37,804 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 1666 transitions, 47417 flow. Second operand has 11 states, 11 states have (on average 28.272727272727273) internal successors, (311), 11 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:37,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:37,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:25:37,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:40,855 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][720], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2071#true, 23#thread4EXITtrue, Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 45#true, Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), 54#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), 587#true, Black: 2634#(and (<= 1 i_7) (<= i_3 0) (<= 2 n_1)), Black: 2636#(and (<= 1 i_7) (<= i_3 1) (<= 2 n_1)), 2643#(<= 1 i_7), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 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(+ t_4 s_2)) (<= t_4 s_6)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:25:40,855 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:25:40,855 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:40,856 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:40,856 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:42,029 INFO L129 PetriNetUnfolder]: 4297/8091 cut-off events. [2021-03-24 15:25:42,029 INFO L130 PetriNetUnfolder]: For 597441/599973 co-relation queries the response was YES. [2021-03-24 15:25:42,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118200 conditions, 8091 events. 4297/8091 cut-off events. For 597441/599973 co-relation queries the response was YES. Maximal size of possible extension queue 889. Compared 67328 event pairs, 31 based on Foata normal form. 606/8085 useless extension candidates. Maximal degree in co-relation 118014. Up to 3112 conditions per place. [2021-03-24 15:25:42,391 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 671 selfloop transitions, 778 changer transitions 34/1730 dead transitions. [2021-03-24 15:25:42,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 1730 transitions, 52274 flow [2021-03-24 15:25:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 15:25:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 15:25:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 596 transitions. [2021-03-24 15:25:42,392 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8477951635846372 [2021-03-24 15:25:42,392 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 596 transitions. [2021-03-24 15:25:42,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 596 transitions. [2021-03-24 15:25:42,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:42,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 596 transitions. [2021-03-24 15:25:42,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.36842105263158) internal successors, (596), 19 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:42,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:42,395 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:42,395 INFO L185 Difference]: Start difference. First operand has 496 places, 1666 transitions, 47417 flow. Second operand 19 states and 596 transitions. [2021-03-24 15:25:42,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 1730 transitions, 52274 flow [2021-03-24 15:25:46,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 1730 transitions, 51041 flow, removed 362 selfloop flow, removed 7 redundant places. [2021-03-24 15:25:46,911 INFO L241 Difference]: Finished difference. Result has 510 places, 1657 transitions, 48485 flow [2021-03-24 15:25:46,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=46000, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=756, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=884, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=48485, PETRI_PLACES=510, PETRI_TRANSITIONS=1657} [2021-03-24 15:25:46,912 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 480 predicate places. [2021-03-24 15:25:46,912 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 1657 transitions, 48485 flow [2021-03-24 15:25:46,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 28.272727272727273) internal successors, (311), 11 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:46,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:46,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:47,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-24 15:25:47,113 INFO L428 AbstractCegarLoop]: === Iteration 51 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:25:47,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:47,114 INFO L82 PathProgramCache]: Analyzing trace with hash 712087647, now seen corresponding path program 1 times [2021-03-24 15:25:47,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:47,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902324137] [2021-03-24 15:25:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:47,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:47,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:47,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902324137] [2021-03-24 15:25:47,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331972792] [2021-03-24 15:25:47,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 15:25:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:47,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:25:47,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:25:47,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:47,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:47,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:47,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:47,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:47,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:47,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:47,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:47,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:47,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:47,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:25:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:47,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:47,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:47,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:47,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:25:47,250 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:25:47,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:47,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:47,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:25:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:47,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:47,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:25:47,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-24 15:25:47,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413107810] [2021-03-24 15:25:47,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:25:47,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:47,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:25:47,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:25:47,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:25:47,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1657 transitions, 48485 flow. Second operand has 10 states, 10 states have (on average 28.5) internal successors, (285), 10 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:47,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:47,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:25:47,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:51,139 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][895], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 23#thread4EXITtrue, Black: 3083#(and (<= 1 i_7) (<= i_3 1) (<= n_1 1)), 2071#true, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) 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801#(and (<= s_2 0) (<= 0 s_2) (= t_5 s_6)), Black: 774#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 834#true, Black: 2881#(and (<= 0 i_7) (<= (+ i_3 1) i_7) (< 1 n_1) (<= i_3 1)), Black: 2883#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2869#(and (<= 1 i_7) (<= i_3 0) (<= (+ i_3 1) n_1)), Black: 2871#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2875#(and (<= 0 i_7) (< 1 n_1) (<= i_3 i_7) (<= i_3 1)), Black: 2877#(and (<= 0 i_7) (<= (+ i_3 1) i_7) (<= (+ i_3 1) n_1)), 2895#(<= 0 i_7), Black: 2316#(<= i_3 1), Black: 2381#(and (<= i_3 1) (<= n_1 i_7)), Black: 2900#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2902#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2904#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), Black: 358#(and (<= i_7 0) (< 0 n_1) (<= 0 i_3)), Black: 319#(and (<= i_7 0) (<= 0 i_3)), Black: 364#(< n_1 (+ i_3 1)), Black: 1904#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= t_4 s_6)), 370#(<= 0 i_3), Black: 1898#(and (= s_2 0) (<= 1 i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1900#(and (<= (select X_0 i_7) s_6) (<= (+ t_4 s_2) s_6) (<= 1 i_7) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1902#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1911#true, Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, 421#true, 2474#(and (<= i_3 i_7) (<= n_1 i_7)), 2986#(and (<= 1 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 2466#(and (<= 1 i_7) (<= i_3 1) (<= n_1 i_7)), Black: 2428#(and (<= 1 i_7) (<= i_3 1)), Black: 2397#(<= i_3 (+ i_7 1)), Black: 2398#(<= i_3 i_7), Black: 2982#(and (<= 1 i_7) (<= i_3 i_7)), Black: 2938#(and (<= 1 i_7) (<= i_3 1)), Black: 2988#(and (<= 1 i_7) (<= i_3 1) (<= n_1 i_7)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:25:51,139 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:25:51,139 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:51,139 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:51,139 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:52,568 INFO L129 PetriNetUnfolder]: 5210/9742 cut-off events. [2021-03-24 15:25:52,568 INFO L130 PetriNetUnfolder]: For 749976/752887 co-relation queries the response was YES. [2021-03-24 15:25:52,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146083 conditions, 9742 events. 5210/9742 cut-off events. For 749976/752887 co-relation queries the response was YES. Maximal size of possible extension queue 1082. Compared 82999 event pairs, 72 based on Foata normal form. 209/9250 useless extension candidates. Maximal degree in co-relation 145895. Up to 4061 conditions per place. [2021-03-24 15:25:52,809 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 1090 selfloop transitions, 562 changer transitions 0/1892 dead transitions. [2021-03-24 15:25:52,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 1892 transitions, 60152 flow [2021-03-24 15:25:52,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 15:25:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 15:25:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 386 transitions. [2021-03-24 15:25:52,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8693693693693694 [2021-03-24 15:25:52,810 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 386 transitions. [2021-03-24 15:25:52,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 386 transitions. [2021-03-24 15:25:52,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:52,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 386 transitions. [2021-03-24 15:25:52,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 12 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:52,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:52,811 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:52,811 INFO L185 Difference]: Start difference. First operand has 510 places, 1657 transitions, 48485 flow. Second operand 12 states and 386 transitions. [2021-03-24 15:25:52,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 1892 transitions, 60152 flow [2021-03-24 15:25:58,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 1892 transitions, 57811 flow, removed 466 selfloop flow, removed 15 redundant places. [2021-03-24 15:25:58,910 INFO L241 Difference]: Finished difference. Result has 504 places, 1790 transitions, 54084 flow [2021-03-24 15:25:58,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=45804, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=425, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=54084, PETRI_PLACES=504, PETRI_TRANSITIONS=1790} [2021-03-24 15:25:58,911 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 474 predicate places. [2021-03-24 15:25:58,911 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 1790 transitions, 54084 flow [2021-03-24 15:25:58,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.5) internal successors, (285), 10 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:58,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:58,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:59,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:25:59,122 INFO L428 AbstractCegarLoop]: === Iteration 52 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:25:59,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:59,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1685764403, now seen corresponding path program 2 times [2021-03-24 15:25:59,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:59,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579622236] [2021-03-24 15:25:59,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:59,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:59,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:59,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:59,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:59,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:59,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:59,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:59,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:25:59,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:59,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:59,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:59,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:25:59,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:59,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:25:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 15:25:59,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579622236] [2021-03-24 15:25:59,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:25:59,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 15:25:59,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075030138] [2021-03-24 15:25:59,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 15:25:59,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:59,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 15:25:59,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 15:25:59,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:25:59,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 1790 transitions, 54084 flow. Second operand has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:59,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:59,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:25:59,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:26:03,242 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][871], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 2071#true, 23#thread4EXITtrue, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 45#true, Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), 54#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), 587#true, Black: 2634#(and (<= 1 i_7) (<= i_3 0) (<= 2 n_1)), Black: 2636#(and (<= 1 i_7) (<= i_3 1) (<= 2 n_1)), 2643#(<= 1 i_7), Black: 3169#(and (<= i_7 (+ i_3 1)) (<= 0 i_3)), Black: 3171#(and (< 1 n_1) (<= i_7 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Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:26:03,242 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:26:03,243 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:03,243 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:03,243 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:04,872 INFO L129 PetriNetUnfolder]: 5513/10332 cut-off events. [2021-03-24 15:26:04,872 INFO L130 PetriNetUnfolder]: For 788488/791535 co-relation queries the response was YES. [2021-03-24 15:26:05,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154518 conditions, 10332 events. 5513/10332 cut-off events. For 788488/791535 co-relation queries the response was YES. Maximal size of possible extension queue 1150. Compared 88981 event pairs, 92 based on Foata normal form. 414/9980 useless extension candidates. Maximal degree in co-relation 154333. Up to 4299 conditions per place. [2021-03-24 15:26:05,103 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1192 selfloop transitions, 459 changer transitions 1/1892 dead transitions. [2021-03-24 15:26:05,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 1892 transitions, 61131 flow [2021-03-24 15:26:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:26:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:26:05,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 254 transitions. [2021-03-24 15:26:05,104 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8581081081081081 [2021-03-24 15:26:05,104 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 254 transitions. [2021-03-24 15:26:05,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 254 transitions. [2021-03-24 15:26:05,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:26:05,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 254 transitions. [2021-03-24 15:26:05,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 31.75) internal successors, (254), 8 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:05,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:05,105 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 37.0) internal successors, (333), 9 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:05,105 INFO L185 Difference]: Start difference. First operand has 504 places, 1790 transitions, 54084 flow. Second operand 8 states and 254 transitions. [2021-03-24 15:26:05,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 1892 transitions, 61131 flow [2021-03-24 15:26:11,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 1892 transitions, 59616 flow, removed 699 selfloop flow, removed 3 redundant places. [2021-03-24 15:26:11,878 INFO L241 Difference]: Finished difference. Result has 514 places, 1838 transitions, 56526 flow [2021-03-24 15:26:11,880 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=51806, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=386, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=56526, PETRI_PLACES=514, PETRI_TRANSITIONS=1838} [2021-03-24 15:26:11,880 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 484 predicate places. [2021-03-24 15:26:11,880 INFO L480 AbstractCegarLoop]: Abstraction has has 514 places, 1838 transitions, 56526 flow [2021-03-24 15:26:11,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:11,880 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:26:11,880 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:26:11,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-24 15:26:11,880 INFO L428 AbstractCegarLoop]: === Iteration 53 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:26:11,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:26:11,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1280944367, now seen corresponding path program 3 times [2021-03-24 15:26:11,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:26:11,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386038513] [2021-03-24 15:26:11,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:26:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:11,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:11,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:26:11,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:26:11,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:11,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386038513] [2021-03-24 15:26:11,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678016668] [2021-03-24 15:26:11,907 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 15:26:11,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 15:26:11,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:11,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:26:11,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:26:11,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:11,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:11,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:11,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:11,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:11,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:11,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:11,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:11,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:11,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:11,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:11,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,977 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:26:11,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:11,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:11,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:11,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:11,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:11,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:11,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:11,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:12,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:12,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:12,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:12,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:12,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:12,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:12,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:12,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:12,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:12,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:26:12,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 15:26:12,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836328295] [2021-03-24 15:26:12,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:26:12,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:26:12,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:26:12,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:26:12,025 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:26:12,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 1838 transitions, 56526 flow. Second operand has 11 states, 11 states have (on average 28.181818181818183) internal successors, (310), 11 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:12,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:26:12,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:26:12,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:26:16,443 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][863], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 23#thread4EXITtrue, 2071#true, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) 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s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, 421#true, 2474#(and (<= i_3 i_7) (<= n_1 i_7)), 2986#(and (<= 1 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 2397#(<= i_3 (+ i_7 1)), Black: 2398#(<= i_3 i_7), Black: 2982#(and (<= 1 i_7) (<= i_3 i_7)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:26:16,443 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:26:16,443 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:16,443 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:16,443 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:18,118 INFO L129 PetriNetUnfolder]: 5330/10075 cut-off events. [2021-03-24 15:26:18,118 INFO L130 PetriNetUnfolder]: For 737890/740880 co-relation queries the response was YES. [2021-03-24 15:26:18,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150957 conditions, 10075 events. 5330/10075 cut-off events. For 737890/740880 co-relation queries the response was YES. Maximal size of possible extension queue 1135. Compared 87324 event pairs, 72 based on Foata normal form. 583/9920 useless extension candidates. Maximal degree in co-relation 150766. Up to 4178 conditions per place. [2021-03-24 15:26:18,358 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1091 selfloop transitions, 543 changer transitions 5/1878 dead transitions. [2021-03-24 15:26:18,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 1878 transitions, 61250 flow [2021-03-24 15:26:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 15:26:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 15:26:18,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 595 transitions. [2021-03-24 15:26:18,359 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8463726884779517 [2021-03-24 15:26:18,359 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 595 transitions. [2021-03-24 15:26:18,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 595 transitions. [2021-03-24 15:26:18,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:26:18,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 595 transitions. [2021-03-24 15:26:18,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.31578947368421) internal successors, (595), 19 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:18,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:18,361 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:18,361 INFO L185 Difference]: Start difference. First operand has 514 places, 1838 transitions, 56526 flow. Second operand 19 states and 595 transitions. [2021-03-24 15:26:18,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 1878 transitions, 61250 flow [2021-03-24 15:26:25,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 1878 transitions, 60184 flow, removed 530 selfloop flow, removed 1 redundant places. [2021-03-24 15:26:25,995 INFO L241 Difference]: Finished difference. Result has 537 places, 1817 transitions, 56832 flow [2021-03-24 15:26:25,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=54629, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=56832, PETRI_PLACES=537, PETRI_TRANSITIONS=1817} [2021-03-24 15:26:25,996 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 507 predicate places. [2021-03-24 15:26:25,996 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 1817 transitions, 56832 flow [2021-03-24 15:26:25,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 28.181818181818183) internal successors, (310), 11 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:25,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:26:25,996 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:26:26,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2021-03-24 15:26:26,197 INFO L428 AbstractCegarLoop]: === Iteration 54 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:26:26,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:26:26,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1713144527, now seen corresponding path program 25 times [2021-03-24 15:26:26,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:26:26,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887285359] [2021-03-24 15:26:26,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:26:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:26,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:26,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:26,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:26:26,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:26,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:26,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:26,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887285359] [2021-03-24 15:26:26,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229662689] [2021-03-24 15:26:26,221 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 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 15:26:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:26,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:26:26,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:26:26,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:26,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:26,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:26,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:26,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:26,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:26,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:26,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:26,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:26,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:26,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:26,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:26,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:26,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:26,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,292 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:26:26,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:26,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:26,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:26,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:26,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:26,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:26,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:26,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:26,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:26,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:26,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:26,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:26,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:26:26,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-24 15:26:26,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803767963] [2021-03-24 15:26:26,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:26:26,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:26:26,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:26:26,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:26:26,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:26:26,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 1817 transitions, 56832 flow. Second operand has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:26,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:26:26,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:26:26,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:26:30,278 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][843], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 2071#true, 23#thread4EXITtrue, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), 45#true, Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), 54#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), 587#true, Black: 2634#(and (<= 1 i_7) (<= i_3 0) (<= 2 n_1)), Black: 2636#(and (<= 1 i_7) (<= i_3 1) (<= 2 n_1)), 2643#(<= 1 i_7), Black: 3169#(and (<= i_7 (+ i_3 1)) (<= 0 i_3)), Black: 3171#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3)), Black: 3173#(and (<= i_7 i_3) (<= 0 i_3)), Black: 3126#(and (<= i_7 1) (<= 1 i_3)), Black: 3175#(and (<= i_7 i_3) (<= (+ i_7 1) n_1) (<= 0 i_3)), Black: 3165#(and (<= i_7 0) (<= 1 i_3) (<= (+ i_7 1) n_1)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), 3185#(<= 0 i_3), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), 1653#true, Black: 3190#(and (<= i_7 i_3) (<= 0 i_3)), Black: 3192#(and (<= i_7 (+ i_3 1)) (<= 0 i_3)), Black: 3194#(and (<= n_1 i_3) (<= 0 i_3)), Black: 2091#(<= i_3 (+ i_7 1)), Black: 3196#(and (<= i_7 i_3) (<= n_1 i_3) (<= 0 i_3)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), Black: 3198#(and (<= i_7 (+ i_3 1)) (<= n_1 i_3) (<= 0 i_3)), 2182#true, Black: 123#(<= i_3 0), 3208#(<= 0 i_3), Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1120#(and (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1168#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1170#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 2196#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 1106#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2198#(and (<= (+ i_3 1) i_7) (<= (+ i_3 1) n_1)), Black: 1110#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2200#(and (<= (+ i_3 1) i_7) (<= (+ i_3 2) n_1)), Black: 2185#(<= i_3 i_7), Black: 2707#(and (<= 1 i_7) (< 1 n_1) (<= i_3 1)), Black: 1080#(and (< i_7 (+ i_3 1)) (<= s_2 s_6) (<= i_3 i_7) (< s_6 (+ s_2 1))), Black: 2709#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (< 1 n_1) (<= i_3 1)), Black: 1162#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1166#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 2713#(and (<= 1 i_7) (<= (+ i_3 1) n_1)), Black: 2715#(and (<= (+ i_3 1) i_7) (<= 1 i_7) (<= (+ i_3 1) n_1)), 161#(and (<= i_3 i_7) (<= n_1 i_7)), 2725#(<= 1 i_7), Black: 676#(and (<= i_7 0) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 678#(and (or (and (= s_6 s_2) (<= n_1 1)) (and (< i_3 1) (<= n_1 1))) (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 618#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), 179#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7)), Black: 654#(and (<= s_2 0) (<= 0 s_2) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (<= i_7 1) (<= 0 i_3)), Black: 177#(and (<= 0 i_7) (<= i_3 i_7)), Black: 622#(and (< i_3 (+ n_1 1)) (or (= s_6 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(<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:26:30,279 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:26:30,279 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:30,279 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:30,279 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:32,024 INFO L129 PetriNetUnfolder]: 5362/10043 cut-off events. [2021-03-24 15:26:32,025 INFO L130 PetriNetUnfolder]: For 718539/721429 co-relation queries the response was YES. [2021-03-24 15:26:32,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151318 conditions, 10043 events. 5362/10043 cut-off events. For 718539/721429 co-relation queries the response was YES. Maximal size of possible extension queue 1114. Compared 86239 event pairs, 75 based on Foata normal form. 420/9748 useless extension candidates. Maximal degree in co-relation 151121. Up to 4227 conditions per place. [2021-03-24 15:26:32,488 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1245 selfloop transitions, 397 changer transitions 2/1881 dead transitions. [2021-03-24 15:26:32,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 1881 transitions, 62067 flow [2021-03-24 15:26:32,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 15:26:32,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 15:26:32,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 535 transitions. [2021-03-24 15:26:32,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8505564387917329 [2021-03-24 15:26:32,489 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 535 transitions. [2021-03-24 15:26:32,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 535 transitions. [2021-03-24 15:26:32,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:26:32,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 535 transitions. [2021-03-24 15:26:32,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.470588235294116) internal successors, (535), 17 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:32,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:32,491 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:32,491 INFO L185 Difference]: Start difference. First operand has 537 places, 1817 transitions, 56832 flow. Second operand 17 states and 535 transitions. [2021-03-24 15:26:32,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 1881 transitions, 62067 flow [2021-03-24 15:26:39,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 1881 transitions, 60532 flow, removed 462 selfloop flow, removed 8 redundant places. [2021-03-24 15:26:39,449 INFO L241 Difference]: Finished difference. Result has 551 places, 1832 transitions, 57257 flow [2021-03-24 15:26:39,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=54603, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=356, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=57257, PETRI_PLACES=551, PETRI_TRANSITIONS=1832} [2021-03-24 15:26:39,450 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 521 predicate places. [2021-03-24 15:26:39,450 INFO L480 AbstractCegarLoop]: Abstraction has has 551 places, 1832 transitions, 57257 flow [2021-03-24 15:26:39,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:39,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:26:39,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:26:39,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:39,651 INFO L428 AbstractCegarLoop]: === Iteration 55 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:26:39,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:26:39,651 INFO L82 PathProgramCache]: Analyzing trace with hash -665115191, now seen corresponding path program 4 times [2021-03-24 15:26:39,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:26:39,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617188696] [2021-03-24 15:26:39,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:26:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:39,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:26:39,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:26:39,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:39,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617188696] [2021-03-24 15:26:39,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140311409] [2021-03-24 15:26:39,682 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 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 15:26:39,702 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:26:39,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:26:39,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:26:39,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:26:39,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:39,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:39,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:39,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:39,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:26:39,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:39,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:39,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:26:39,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:39,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:39,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:39,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:39,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:39,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:39,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:39,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:39,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:39,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:39,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:39,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:39,773 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:26:39,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:39,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:26:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:39,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:26:39,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-24 15:26:39,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125808712] [2021-03-24 15:26:39,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 15:26:39,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:26:39,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 15:26:39,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 15:26:39,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:26:39,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 1832 transitions, 57257 flow. Second operand has 9 states, 9 states have (on average 28.22222222222222) internal successors, (254), 9 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:39,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:26:39,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:26:39,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:26:43,884 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][852], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 2071#true, 23#thread4EXITtrue, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) 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Black: 378#(and (<= n_1 i_3) (<= 0 i_3)), 382#true, Black: 390#(and (<= n_1 0) (<= i_7 0) (<= n_1 i_3)), Black: 837#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1408#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), 914#true, 3474#(and (<= 1 i_3) (<= 2 n_1)), Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, 421#true, 2986#(and (<= 1 i_7) (<= i_3 i_7) (<= n_1 i_7)), 2474#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 2397#(<= i_3 (+ i_7 1)), Black: 2398#(<= i_3 i_7), Black: 2982#(and (<= 1 i_7) (<= i_3 i_7)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:26:43,885 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:26:43,885 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:43,885 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:43,885 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:45,648 INFO L129 PetriNetUnfolder]: 5399/10032 cut-off events. [2021-03-24 15:26:45,648 INFO L130 PetriNetUnfolder]: For 729631/732249 co-relation queries the response was YES. [2021-03-24 15:26:45,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152382 conditions, 10032 events. 5399/10032 cut-off events. For 729631/732249 co-relation queries the response was YES. Maximal size of possible extension queue 1088. Compared 85598 event pairs, 102 based on Foata normal form. 155/9485 useless extension candidates. Maximal degree in co-relation 152179. Up to 5888 conditions per place. [2021-03-24 15:26:45,894 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 964 selfloop transitions, 671 changer transitions 0/1871 dead transitions. [2021-03-24 15:26:45,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 1871 transitions, 62191 flow [2021-03-24 15:26:45,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 15:26:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 15:26:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 221 transitions. [2021-03-24 15:26:45,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8532818532818532 [2021-03-24 15:26:45,895 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 221 transitions. [2021-03-24 15:26:45,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 221 transitions. [2021-03-24 15:26:45,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:26:45,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 221 transitions. [2021-03-24 15:26:45,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 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 15:26:45,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:45,895 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 37.0) internal successors, (296), 8 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:45,895 INFO L185 Difference]: Start difference. First operand has 551 places, 1832 transitions, 57257 flow. Second operand 7 states and 221 transitions. [2021-03-24 15:26:45,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 1871 transitions, 62191 flow [2021-03-24 15:26:52,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 1871 transitions, 61686 flow, removed 92 selfloop flow, removed 7 redundant places. [2021-03-24 15:26:52,727 INFO L241 Difference]: Finished difference. Result has 551 places, 1839 transitions, 58895 flow [2021-03-24 15:26:52,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=56369, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1816, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=648, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=58895, PETRI_PLACES=551, PETRI_TRANSITIONS=1839} [2021-03-24 15:26:52,728 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 521 predicate places. [2021-03-24 15:26:52,728 INFO L480 AbstractCegarLoop]: Abstraction has has 551 places, 1839 transitions, 58895 flow [2021-03-24 15:26:52,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 28.22222222222222) internal successors, (254), 9 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:52,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:26:52,728 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:26:52,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:52,944 INFO L428 AbstractCegarLoop]: === Iteration 56 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:26:52,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:26:52,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1413223751, now seen corresponding path program 26 times [2021-03-24 15:26:52,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:26:52,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482233735] [2021-03-24 15:26:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:26:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:52,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:52,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:52,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:52,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:52,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:26:52,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:52,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:26:52,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:52,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:26:52,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:52,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:52,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482233735] [2021-03-24 15:26:52,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457779916] [2021-03-24 15:26:52,973 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 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 15:26:53,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:26:53,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:26:53,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:26:53,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:26:53,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:53,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:53,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:53,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:53,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:53,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:53,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:26:53,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:53,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:53,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:53,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:53,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:53,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:53,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:53,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:53,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:26:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:53,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:26:53,068 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:26:53,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:53,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:53,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:26:53,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:26:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:26:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:53,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:26:53,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:26:53,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456239096] [2021-03-24 15:26:53,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:26:53,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:26:53,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:26:53,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:26:53,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:26:53,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 1839 transitions, 58895 flow. Second operand has 10 states, 10 states have (on average 28.4) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:53,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:26:53,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:26:53,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:26:57,186 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][849], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 2071#true, 23#thread4EXITtrue, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 45#true, Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) 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s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:26:57,186 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:26:57,186 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:57,186 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:57,186 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:59,044 INFO L129 PetriNetUnfolder]: 5577/10317 cut-off events. [2021-03-24 15:26:59,044 INFO L130 PetriNetUnfolder]: For 751464/754112 co-relation queries the response was YES. [2021-03-24 15:26:59,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156949 conditions, 10317 events. 5577/10317 cut-off events. For 751464/754112 co-relation queries the response was YES. Maximal size of possible extension queue 1081. Compared 87538 event pairs, 108 based on Foata normal form. 158/9729 useless extension candidates. Maximal degree in co-relation 156747. Up to 6150 conditions per place. [2021-03-24 15:26:59,285 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1438 selfloop transitions, 216 changer transitions 0/1888 dead transitions. [2021-03-24 15:26:59,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 1888 transitions, 64021 flow [2021-03-24 15:26:59,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 15:26:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 15:26:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 350 transitions. [2021-03-24 15:26:59,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.85995085995086 [2021-03-24 15:26:59,286 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 350 transitions. [2021-03-24 15:26:59,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 350 transitions. [2021-03-24 15:26:59,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:26:59,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 350 transitions. [2021-03-24 15:26:59,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.818181818181817) internal successors, (350), 11 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:59,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:59,287 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:59,287 INFO L185 Difference]: Start difference. First operand has 551 places, 1839 transitions, 58895 flow. Second operand 11 states and 350 transitions. [2021-03-24 15:26:59,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 1888 transitions, 64021 flow [2021-03-24 15:27:06,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 1888 transitions, 63184 flow, removed 95 selfloop flow, removed 4 redundant places. [2021-03-24 15:27:06,577 INFO L241 Difference]: Finished difference. Result has 557 places, 1860 transitions, 59769 flow [2021-03-24 15:27:06,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=57765, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1825, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=59769, PETRI_PLACES=557, PETRI_TRANSITIONS=1860} [2021-03-24 15:27:06,578 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 527 predicate places. [2021-03-24 15:27:06,579 INFO L480 AbstractCegarLoop]: Abstraction has has 557 places, 1860 transitions, 59769 flow [2021-03-24 15:27:06,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.4) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:06,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:27:06,579 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:27:06,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:27:06,784 INFO L428 AbstractCegarLoop]: === Iteration 57 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:27:06,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:27:06,785 INFO L82 PathProgramCache]: Analyzing trace with hash -172412201, now seen corresponding path program 27 times [2021-03-24 15:27:06,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:27:06,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640166432] [2021-03-24 15:27:06,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:27:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:27:06,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:27:06,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:06,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640166432] [2021-03-24 15:27:06,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772326635] [2021-03-24 15:27:06,808 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 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 15:27:06,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-24 15:27:06,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:27:06,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:27:06,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:27:06,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:06,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:06,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:06,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:06,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:06,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:06,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:06,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:06,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:06,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:06,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:06,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,861 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:27:06,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:06,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:06,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:06,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:06,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:06,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:06,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:06,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:06,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:06,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:06,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:06,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:06,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:06,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:27:06,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:27:06,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551902804] [2021-03-24 15:27:06,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:27:06,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:27:06,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:27:06,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:27:06,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:27:06,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 1860 transitions, 59769 flow. Second operand has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:06,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:27:06,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:27:06,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:27:10,929 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][825], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 2071#true, 23#thread4EXITtrue, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), 45#true, Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), 54#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), 63#true, Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), 587#true, Black: 2634#(and (<= 1 i_7) (<= i_3 0) (<= 2 n_1)), Black: 2636#(and (<= 1 i_7) (<= i_3 1) (<= 2 n_1)), 2643#(<= 1 i_7), Black: 3169#(and (<= i_7 (+ i_3 1)) (<= 0 i_3)), Black: 3171#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3)), Black: 3173#(and (<= i_7 i_3) (<= 0 i_3)), Black: 3126#(and (<= i_7 1) (<= 1 i_3)), Black: 3175#(and (<= i_7 i_3) (<= (+ i_7 1) n_1) (<= 0 i_3)), Black: 3165#(and (<= i_7 0) (<= 1 i_3) (<= (+ i_7 1) n_1)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), 3185#(<= 0 i_3), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), 1653#true, Black: 3190#(and (<= i_7 i_3) (<= 0 i_3)), Black: 3192#(and (<= i_7 (+ i_3 1)) (<= 0 i_3)), Black: 3194#(and (<= n_1 i_3) (<= 0 i_3)), Black: 2091#(<= i_3 (+ i_7 1)), Black: 3196#(and (<= i_7 i_3) (<= n_1 i_3) (<= 0 i_3)), Black: 129#(and (<= i_3 0) (<= n_1 i_7)), 2182#true, Black: 123#(<= i_3 0), 3208#(<= 0 i_3), Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1120#(and (< 0 n_1) (<= 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i_3 1) (<= 1 i_3)))), Black: 871#(and (<= i_7 1) (or (and (< i_7 1) (< 0 n_1)) (and (< 0 n_1) (<= s_2 s_6) (<= s_6 s_2)))), Black: 1363#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), Black: 839#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1412#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1416#(and (= i_3 1) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), Black: 905#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), 914#true, 3474#(and (<= 1 i_3) (<= 2 n_1)), Black: 1418#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (or (< i_7 1) (and (<= s_2 s_6) (<= s_6 s_2))) (<= i_7 1)), Black: 1420#(and (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (< i_3 (+ n_1 1)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))) (<= s_2 s_6) (<= i_7 1) (< s_6 (+ s_2 1))), 1428#true, Black: 3476#(and (<= i_7 0) (<= 1 i_3) (<= 2 n_1)), Black: 3478#(and (<= i_7 1) (<= 1 i_3) (<= 2 n_1)), 3485#(<= 1 i_3), 421#true, 2986#(and (<= 1 i_7) (<= i_3 i_7) (<= n_1 i_7)), 2474#(and (<= i_3 i_7) (<= n_1 i_7)), Black: 2397#(<= i_3 (+ i_7 1)), Black: 2398#(<= i_3 i_7), Black: 2982#(and (<= 1 i_7) (<= i_3 i_7)), Black: 1989#(and (< 0 n_1) (<= s_2 s_6) (<= i_7 i_3) (<= i_7 1) (<= i_3 i_7) (<= s_6 s_2)), Black: 1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 3552#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3)), Black: 3554#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3) (<= (+ i_7 1) i_3)), Black: 3558#(and (<= 1 i_3) (<= (+ i_7 1) n_1)), Black: 3560#(and (<= 1 i_3) (<= (+ i_7 1) i_3) (<= (+ i_7 1) n_1)), 3569#(<= 1 i_3), 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:27:10,929 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:27:10,929 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:10,929 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:10,929 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:12,887 INFO L129 PetriNetUnfolder]: 5685/10475 cut-off events. [2021-03-24 15:27:12,887 INFO L130 PetriNetUnfolder]: For 760357/763099 co-relation queries the response was YES. [2021-03-24 15:27:13,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159823 conditions, 10475 events. 5685/10475 cut-off events. For 760357/763099 co-relation queries the response was YES. Maximal size of possible extension queue 1072. Compared 88140 event pairs, 89 based on Foata normal form. 353/10037 useless extension candidates. Maximal degree in co-relation 159618. Up to 4576 conditions per place. [2021-03-24 15:27:13,350 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1116 selfloop transitions, 570 changer transitions 1/1921 dead transitions. [2021-03-24 15:27:13,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 1921 transitions, 65002 flow [2021-03-24 15:27:13,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:27:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:27:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 563 transitions. [2021-03-24 15:27:13,351 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8453453453453453 [2021-03-24 15:27:13,351 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 563 transitions. [2021-03-24 15:27:13,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 563 transitions. [2021-03-24 15:27:13,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:27:13,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 563 transitions. [2021-03-24 15:27:13,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.27777777777778) internal successors, (563), 18 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:13,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 37.0) internal successors, (703), 19 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:13,352 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 37.0) internal successors, (703), 19 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:13,352 INFO L185 Difference]: Start difference. First operand has 557 places, 1860 transitions, 59769 flow. Second operand 18 states and 563 transitions. [2021-03-24 15:27:13,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 1921 transitions, 65002 flow [2021-03-24 15:27:20,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 1921 transitions, 64472 flow, removed 140 selfloop flow, removed 4 redundant places. [2021-03-24 15:27:20,443 INFO L241 Difference]: Finished difference. Result has 575 places, 1871 transitions, 61404 flow [2021-03-24 15:27:20,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=58511, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=539, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=61404, PETRI_PLACES=575, PETRI_TRANSITIONS=1871} [2021-03-24 15:27:20,444 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 545 predicate places. [2021-03-24 15:27:20,444 INFO L480 AbstractCegarLoop]: Abstraction has has 575 places, 1871 transitions, 61404 flow [2021-03-24 15:27:20,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:20,444 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:27:20,444 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:27:20,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-03-24 15:27:20,645 INFO L428 AbstractCegarLoop]: === Iteration 58 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:27:20,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:27:20,645 INFO L82 PathProgramCache]: Analyzing trace with hash -316938707, now seen corresponding path program 5 times [2021-03-24 15:27:20,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:27:20,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641067155] [2021-03-24 15:27:20,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:27:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:27:20,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:27:20,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:27:20,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:20,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641067155] [2021-03-24 15:27:20,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024850020] [2021-03-24 15:27:20,668 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 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 15:27:20,690 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:27:20,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:27:20,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:27:20,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:27:20,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:20,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:20,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:20,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:20,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:20,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:20,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:20,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:20,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:20,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:20,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:20,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:20,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:20,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:20,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:20,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:20,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:20,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:20,752 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:27:20,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:20,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:20,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:20,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:27:20,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:20,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:20,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:27:20,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:27:20,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214185075] [2021-03-24 15:27:20,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:27:20,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:27:20,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:27:20,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:27:20,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:27:20,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 1871 transitions, 61404 flow. Second operand has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:20,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:27:20,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:27:20,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:27:24,896 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][842], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 23#thread4EXITtrue, 2071#true, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), 45#true, Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) 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i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 3552#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3)), 490#true, Black: 3554#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3) (<= (+ i_7 1) i_3)), Black: 3558#(and (<= 1 i_3) (<= (+ i_7 1) n_1)), Black: 3560#(and (<= 1 i_3) (<= (+ i_7 1) i_3) (<= (+ i_7 1) n_1)), 3569#(<= 1 i_3), 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:27:24,896 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:27:24,896 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:24,896 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:24,896 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:26,810 INFO L129 PetriNetUnfolder]: 5592/10272 cut-off events. [2021-03-24 15:27:26,811 INFO L130 PetriNetUnfolder]: For 800051/802689 co-relation queries the response was YES. [2021-03-24 15:27:26,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160907 conditions, 10272 events. 5592/10272 cut-off events. For 800051/802689 co-relation queries the response was YES. Maximal size of possible extension queue 1065. Compared 86093 event pairs, 107 based on Foata normal form. 183/9696 useless extension candidates. Maximal degree in co-relation 160696. Up to 4884 conditions per place. [2021-03-24 15:27:27,055 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1202 selfloop transitions, 459 changer transitions 1/1896 dead transitions. [2021-03-24 15:27:27,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 1896 transitions, 65466 flow [2021-03-24 15:27:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 15:27:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 15:27:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 381 transitions. [2021-03-24 15:27:27,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8581081081081081 [2021-03-24 15:27:27,056 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 381 transitions. [2021-03-24 15:27:27,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 381 transitions. [2021-03-24 15:27:27,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:27:27,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 381 transitions. [2021-03-24 15:27:27,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.75) internal successors, (381), 12 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:27,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:27,057 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:27,057 INFO L185 Difference]: Start difference. First operand has 575 places, 1871 transitions, 61404 flow. Second operand 12 states and 381 transitions. [2021-03-24 15:27:27,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 1896 transitions, 65466 flow [2021-03-24 15:27:34,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 1896 transitions, 64638 flow, removed 118 selfloop flow, removed 9 redundant places. [2021-03-24 15:27:34,631 INFO L241 Difference]: Finished difference. Result has 575 places, 1859 transitions, 61560 flow [2021-03-24 15:27:34,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=60249, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=458, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=61560, PETRI_PLACES=575, PETRI_TRANSITIONS=1859} [2021-03-24 15:27:34,632 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 545 predicate places. [2021-03-24 15:27:34,632 INFO L480 AbstractCegarLoop]: Abstraction has has 575 places, 1859 transitions, 61560 flow [2021-03-24 15:27:34,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:34,632 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:27:34,632 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:27:34,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:27:34,833 INFO L428 AbstractCegarLoop]: === Iteration 59 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:27:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:27:34,833 INFO L82 PathProgramCache]: Analyzing trace with hash 90306733, now seen corresponding path program 28 times [2021-03-24 15:27:34,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:27:34,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825265313] [2021-03-24 15:27:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:27:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:27:34,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:27:34,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:34,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825265313] [2021-03-24 15:27:34,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207656217] [2021-03-24 15:27:34,855 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 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 15:27:34,879 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:27:34,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:27:34,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:27:34,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:27:34,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:34,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:34,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:34,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:34,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,888 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-24 15:27:34,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:27:34,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:34,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:34,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:34,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:34,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:34,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:34,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:34,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:34,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:34,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:34,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:27:34,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-24 15:27:34,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617864784] [2021-03-24 15:27:34,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 15:27:34,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:27:34,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 15:27:34,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 15:27:34,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:27:34,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 1859 transitions, 61560 flow. Second operand has 9 states, 9 states have (on average 28.22222222222222) internal successors, (254), 9 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:34,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:27:34,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:27:34,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:27:39,098 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L36-->L37: Formula: (and (= v_i_3_22 (+ v_i_3_23 1)) (= (select v_X_0_6 v_i_3_22) v_t_5_3) (< v_i_3_23 v_n_1_17)) InVars {X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_23} OutVars{t_5=v_t_5_3, X_0=v_X_0_6, n_1=v_n_1_17, i_3=v_i_3_22} AuxVars[] AssignedVars[t_5, i_3][826], [2563#(and (<= i_3 (+ i_7 1)) (<= n_1 i_7)), 9#L82true, 10#L22true, 15#L55true, 17#L37true, Black: 2065#(and (<= (select X_0 i_7) s_6) (= s_2 0) (<= t_5 s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (<= s_6 t_5)), Black: 3089#(and (<= 0 i_7) (<= i_3 i_7)), Black: 2067#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7)) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 3081#(and (<= 0 i_7) (<= i_3 (+ i_7 1))), 2071#true, 23#thread4EXITtrue, 3099#(<= 0 i_3), Black: 1536#(and (= s_2 0) (<= t_5 s_6) (<= s_6 t_5)), Black: 1509#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 1571#true, Black: 2082#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 2074#(<= i_3 i_7), Black: 2075#(<= i_3 (+ i_7 1)), Black: 1060#(and (<= i_3 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= 1 i_3) (<= (+ i_7 1) i_3) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), 45#true, Black: 997#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)), Black: 1030#(and (= i_7 0) (= s_6 0) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1064#(and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= s_2 s_6) (<= i_3 1) (< s_6 (+ s_2 1)) (<= 1 i_3)), Black: 1066#(and (<= s_2 s_6) (< s_6 (+ s_2 1)) (exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3)))), Black: 1023#(exists ((i_3 Int)) (and (<= s_2 (select X_0 i_3)) (<= (select X_0 i_3) s_2) (<= i_3 1) (<= 1 i_3))), 1074#true, Black: 50#(and (<= s_2 0) (<= 0 s_2) (<= s_2 s_6) (< s_6 (+ s_2 1))), Black: 47#(and (<= s_2 0) (<= 0 s_2)), 54#true, Black: 56#(and (<= 0 s_6) (<= s_6 0)), Black: 59#(and (< s_2 (+ s_6 1)) (<= 0 s_6) (<= s_6 s_2) (<= s_6 0)), Black: 496#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 528#(and (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_3 1) (< i_7 (+ n_1 1))), Black: 563#(and (= s_2 0) (or (= s_6 s_2) (not (= i_3 i_7))) (<= i_3 0) (< 0 n_1) (or (not (= i_3 i_7)) (= t_4 s_6)) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 493#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 559#(and (<= (+ i_3 1) i_7) (<= 0 s_2) (<= i_3 0) (<= i_7 (+ i_3 1)) (= s_6 (select X_0 i_7)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= 0 i_3) (< i_7 (+ n_1 1))), Black: 3650#(and (<= i_7 i_3) (<= n_1 i_3) (<= 1 i_3)), 587#true, Black: 3636#(and (<= 1 i_3) (<= (+ i_7 1) i_3)), Black: 3638#(and (<= i_7 i_3) (<= 1 i_3)), Black: 2634#(and (<= 1 i_7) (<= i_3 0) (<= 2 n_1)), Black: 3640#(and (<= n_1 i_3) (<= 1 i_3)), Black: 2636#(and (<= 1 i_7) (<= i_3 1) (<= 2 n_1)), Black: 3644#(and (<= i_7 1) (<= 1 i_3) (<= (+ i_7 1) i_3)), 3667#(<= 1 i_3), 2643#(<= 1 i_7), Black: 3169#(and (<= i_7 (+ i_3 1)) (<= 0 i_3)), Black: 3171#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3)), Black: 3173#(and (<= i_7 i_3) (<= 0 i_3)), Black: 3126#(and (<= i_7 1) (<= 1 i_3)), Black: 3175#(and (<= i_7 i_3) (<= (+ i_7 1) n_1) (<= 0 i_3)), Black: 3165#(and (<= i_7 0) (<= 1 i_3) (<= (+ i_7 1) n_1)), Black: 1574#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1577#(and (<= (+ t_4 s_2) s_6) (<= s_6 (+ t_4 s_2))), 3185#(<= 0 i_3), Black: 1578#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 1643#(and (= s_2 0) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (< 0 n_1) (<= i_3 i_7) (<= i_3 1) (<= s_6 (+ t_4 s_2))), 2163#(and (<= i_3 i_7) (<= n_1 i_7)), 1653#true, Black: 3190#(and (<= i_7 i_3) (<= 0 i_3)), Black: 3192#(and (<= i_7 (+ i_3 1)) (<= 0 i_3)), Black: 3194#(and (<= n_1 i_3) (<= 0 i_3)), Black: 2091#(<= i_3 (+ i_7 1)), Black: 3196#(and (<= i_7 i_3) (<= n_1 i_3) (<= 0 i_3)), 2182#true, Black: 145#(and (<= 0 i_7) (<= (+ i_3 1) n_1) (<= 1 n_1)), Black: 1120#(and (< 0 n_1) (<= i_7 1) (or (= s_6 s_2) (< i_7 n_1))), Black: 1168#(and (= (select X_0 i_3) t_4) (< i_3 (+ n_1 1)) (< 0 n_1) (<= s_2 s_6) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ i_7 1) i_3) (<= s_6 s_2)), Black: 1170#(and (< i_3 (+ n_1 1)) (< 0 n_1) (<= i_7 1) (<= i_3 (+ i_7 1)) (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (<= (+ i_7 1) i_3)), Black: 2196#(and (<= (+ i_3 1) n_1) (<= i_3 i_7)), Black: 1106#(and (<= i_7 0) (< i_3 (+ n_1 1)) (< 0 n_1) (= (select X_0 i_3) s_2) (= s_6 0)), Black: 2198#(and (<= (+ i_3 1) i_7) (<= (+ i_3 1) n_1)), Black: 1110#(and (< i_3 (+ n_1 1)) (or (= s_6 s_2) (not (= i_3 i_7))) (< 0 n_1) (<= i_7 1)), Black: 2200#(and (<= (+ i_3 1) i_7) (<= (+ i_3 2) n_1)), Black: 2185#(<= i_3 i_7), Black: 2707#(and (<= 1 i_7) (< 1 n_1) (<= i_3 1)), Black: 1080#(and (< i_7 (+ i_3 1)) (<= 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1914#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1916#(and (<= (+ s_6 (select X_0 i_3)) s_2) (<= s_2 (+ s_6 (select X_0 i_3))) (= (+ i_7 1) i_3)), Black: 1917#(and (<= s_2 s_6) (< s_6 (+ s_2 1))), 2002#(and (<= (select X_0 i_7) s_6) (<= 1 i_7) (<= i_7 1) (<= s_6 (select X_0 i_7))), Black: 1490#(and (= s_2 0) (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7))) (= i_3 0)), Black: 1458#(and (= s_2 0) (<= s_6 t_4) (<= t_4 s_6)), Black: 1494#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 t_4) (<= s_6 (+ t_4 s_2)) (<= t_4 s_6)), Black: 981#(and (= (select X_0 i_3) t_4) (<= (+ t_4 s_2) s_6) (< i_7 (+ i_3 1)) (= t_4 s_6) (<= i_3 i_7) (<= i_3 1) (<= 1 i_3) (<= s_6 (+ t_4 s_2))), Black: 1431#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), Black: 1432#(and (<= (+ i_3 1) i_7) (<= i_7 (+ i_3 1)) (<= (+ s_2 (select X_0 i_7)) s_6) (<= s_6 (+ s_2 (select X_0 i_7)))), Black: 1433#(and (<= (+ t_4 s_2) s_6) (< i_3 (+ i_7 1)) (<= i_7 i_3) (<= s_6 (+ t_4 s_2))), Black: 983#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6) (exists ((i_3 Int)) (and (= (select X_0 i_3) t_4) (<= i_3 1) (<= 1 i_3)))), Black: 1434#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 920#(and (< i_7 (+ i_3 1)) (<= i_3 i_7) (< s_2 (+ s_6 1)) (<= s_6 s_2)), Black: 921#(and (< s_2 (+ s_6 1)) (<= s_6 s_2)), 993#true, Black: 452#(and (<= s_2 0) (<= 0 s_2) (= t_4 s_6)), Black: 424#(and (<= s_2 s_6) (<= i_7 i_3) (<= i_3 i_7) (<= s_6 s_2)), 490#true, Black: 3552#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3)), Black: 3554#(and (< 1 n_1) (<= i_7 1) (<= 1 i_3) (<= (+ i_7 1) i_3)), Black: 3558#(and (<= 1 i_3) (<= (+ i_7 1) n_1)), Black: 3560#(and (<= 1 i_3) (<= (+ i_7 1) i_3) (<= (+ i_7 1) n_1)), 3569#(<= 1 i_3), 3069#(and (<= 0 i_7) (<= i_3 i_7) (<= n_1 i_7))]) [2021-03-24 15:27:39,098 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:27:39,098 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:39,098 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:39,098 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:41,005 INFO L129 PetriNetUnfolder]: 5620/10327 cut-off events. [2021-03-24 15:27:41,005 INFO L130 PetriNetUnfolder]: For 773165/775957 co-relation queries the response was YES. [2021-03-24 15:27:41,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161046 conditions, 10327 events. 5620/10327 cut-off events. For 773165/775957 co-relation queries the response was YES. Maximal size of possible extension queue 1065. Compared 86633 event pairs, 92 based on Foata normal form. 359/9904 useless extension candidates. Maximal degree in co-relation 160836. Up to 4600 conditions per place. [2021-03-24 15:27:41,251 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1207 selfloop transitions, 478 changer transitions 3/1922 dead transitions. [2021-03-24 15:27:41,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 585 places, 1922 transitions, 67083 flow [2021-03-24 15:27:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 15:27:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 15:27:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 341 transitions. [2021-03-24 15:27:41,252 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8378378378378378 [2021-03-24 15:27:41,252 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 341 transitions. [2021-03-24 15:27:41,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 341 transitions. [2021-03-24 15:27:41,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:27:41,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 341 transitions. [2021-03-24 15:27:41,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.0) internal successors, (341), 11 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:41,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:41,253 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:41,253 INFO L185 Difference]: Start difference. First operand has 575 places, 1859 transitions, 61560 flow. Second operand 11 states and 341 transitions. [2021-03-24 15:27:41,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 585 places, 1922 transitions, 67083 flow [2021-03-24 15:27:48,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 1922 transitions, 66396 flow, removed 9 selfloop flow, removed 9 redundant places. [2021-03-24 15:27:48,622 INFO L241 Difference]: Finished difference. Result has 580 places, 1877 transitions, 62903 flow [2021-03-24 15:27:48,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=60885, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=459, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=62903, PETRI_PLACES=580, PETRI_TRANSITIONS=1877} [2021-03-24 15:27:48,623 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 550 predicate places. [2021-03-24 15:27:48,624 INFO L480 AbstractCegarLoop]: Abstraction has has 580 places, 1877 transitions, 62903 flow [2021-03-24 15:27:48,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 28.22222222222222) internal successors, (254), 9 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:48,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:27:48,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:27:48,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:27:48,824 INFO L428 AbstractCegarLoop]: === Iteration 60 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:27:48,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:27:48,824 INFO L82 PathProgramCache]: Analyzing trace with hash -851348573, now seen corresponding path program 6 times [2021-03-24 15:27:48,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:27:48,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019518036] [2021-03-24 15:27:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:27:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:27:48,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:48,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:48,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:27:48,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:48,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:27:48,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:48,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019518036] [2021-03-24 15:27:48,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278083320] [2021-03-24 15:27:48,844 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 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 15:27:48,864 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 15:27:48,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:27:48,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:27:48,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:27:48,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:48,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:48,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:48,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:27:48,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:48,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:48,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:48,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:48,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:48,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:48,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:48,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:48,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:27:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:48,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:48,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:48,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:48,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:48,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:27:48,910 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:27:48,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:48,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:48,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:27:48,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:27:48,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:48,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:27:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:48,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:27:48,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-24 15:27:48,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027026267] [2021-03-24 15:27:48,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:27:48,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:27:48,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:27:48,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:27:48,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:27:48,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 1877 transitions, 62903 flow. Second operand has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:48,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:27:48,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:27:48,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:27:55,416 INFO L129 PetriNetUnfolder]: 6070/11158 cut-off events. [2021-03-24 15:27:55,416 INFO L130 PetriNetUnfolder]: For 887495/890474 co-relation queries the response was YES. [2021-03-24 15:27:55,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178023 conditions, 11158 events. 6070/11158 cut-off events. For 887495/890474 co-relation queries the response was YES. Maximal size of possible extension queue 1127. Compared 94701 event pairs, 115 based on Foata normal form. 142/10443 useless extension candidates. Maximal degree in co-relation 177810. Up to 5735 conditions per place. [2021-03-24 15:27:55,918 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 1392 selfloop transitions, 360 changer transitions 0/1982 dead transitions. [2021-03-24 15:27:55,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 1982 transitions, 70736 flow [2021-03-24 15:27:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 15:27:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 15:27:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 381 transitions. [2021-03-24 15:27:55,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8581081081081081 [2021-03-24 15:27:55,919 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 381 transitions. [2021-03-24 15:27:55,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 381 transitions. [2021-03-24 15:27:55,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:27:55,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 381 transitions. [2021-03-24 15:27:55,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.75) internal successors, (381), 12 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:55,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:55,920 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:55,920 INFO L185 Difference]: Start difference. First operand has 580 places, 1877 transitions, 62903 flow. Second operand 12 states and 381 transitions. [2021-03-24 15:27:55,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 1982 transitions, 70736 flow [2021-03-24 15:28:04,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 1982 transitions, 70011 flow, removed 204 selfloop flow, removed 5 redundant places. [2021-03-24 15:28:04,286 INFO L241 Difference]: Finished difference. Result has 588 places, 1923 transitions, 65818 flow [2021-03-24 15:28:04,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=61831, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=65818, PETRI_PLACES=588, PETRI_TRANSITIONS=1923} [2021-03-24 15:28:04,288 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 558 predicate places. [2021-03-24 15:28:04,288 INFO L480 AbstractCegarLoop]: Abstraction has has 588 places, 1923 transitions, 65818 flow [2021-03-24 15:28:04,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:04,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:28:04,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:28:04,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-24 15:28:04,504 INFO L428 AbstractCegarLoop]: === Iteration 61 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:28:04,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:28:04,504 INFO L82 PathProgramCache]: Analyzing trace with hash -2101511787, now seen corresponding path program 7 times [2021-03-24 15:28:04,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:28:04,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098107359] [2021-03-24 15:28:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:28:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:28:04,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:04,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:04,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:04,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:04,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:04,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:04,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:04,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:28:04,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:04,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:04,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:04,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:04,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:04,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 15:28:04,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098107359] [2021-03-24 15:28:04,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:28:04,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 15:28:04,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588726755] [2021-03-24 15:28:04,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 15:28:04,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:28:04,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 15:28:04,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 15:28:04,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:28:04,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 1923 transitions, 65818 flow. Second operand has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:04,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:28:04,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:28:04,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:28:11,655 INFO L129 PetriNetUnfolder]: 6349/11689 cut-off events. [2021-03-24 15:28:11,656 INFO L130 PetriNetUnfolder]: For 960783/964209 co-relation queries the response was YES. [2021-03-24 15:28:12,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189239 conditions, 11689 events. 6349/11689 cut-off events. For 960783/964209 co-relation queries the response was YES. Maximal size of possible extension queue 1197. Compared 100294 event pairs, 119 based on Foata normal form. 321/11122 useless extension candidates. Maximal degree in co-relation 189024. Up to 5321 conditions per place. [2021-03-24 15:28:12,169 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1295 selfloop transitions, 475 changer transitions 1/2001 dead transitions. [2021-03-24 15:28:12,169 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 2001 transitions, 72708 flow [2021-03-24 15:28:12,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 15:28:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 15:28:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 349 transitions. [2021-03-24 15:28:12,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8574938574938575 [2021-03-24 15:28:12,170 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 349 transitions. [2021-03-24 15:28:12,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 349 transitions. [2021-03-24 15:28:12,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:28:12,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 349 transitions. [2021-03-24 15:28:12,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.727272727272727) internal successors, (349), 11 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:12,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:12,171 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 37.0) internal successors, (444), 12 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:12,171 INFO L185 Difference]: Start difference. First operand has 588 places, 1923 transitions, 65818 flow. Second operand 11 states and 349 transitions. [2021-03-24 15:28:12,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 2001 transitions, 72708 flow [2021-03-24 15:28:21,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 2001 transitions, 71677 flow, removed 448 selfloop flow, removed 7 redundant places. [2021-03-24 15:28:21,379 INFO L241 Difference]: Finished difference. Result has 596 places, 1957 transitions, 68286 flow [2021-03-24 15:28:21,381 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=64408, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1905, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=424, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=68286, PETRI_PLACES=596, PETRI_TRANSITIONS=1957} [2021-03-24 15:28:21,381 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 566 predicate places. [2021-03-24 15:28:21,381 INFO L480 AbstractCegarLoop]: Abstraction has has 596 places, 1957 transitions, 68286 flow [2021-03-24 15:28:21,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:21,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:28:21,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:28:21,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-24 15:28:21,382 INFO L428 AbstractCegarLoop]: === Iteration 62 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:28:21,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:28:21,382 INFO L82 PathProgramCache]: Analyzing trace with hash 10075257, now seen corresponding path program 8 times [2021-03-24 15:28:21,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:28:21,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586441675] [2021-03-24 15:28:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:28:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:28:21,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:21,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:21,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:28:21,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:28:21,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:21,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:21,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586441675] [2021-03-24 15:28:21,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142329511] [2021-03-24 15:28:21,409 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 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 15:28:21,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:28:21,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:28:21,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:28:21,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:28:21,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:21,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:21,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:21,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:21,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:21,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:21,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:21,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:21,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:21,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:21,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,473 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:28:21,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:21,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:21,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:21,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:21,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:21,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:21,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:21,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:21,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:21,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:21,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:21,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:21,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:21,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:21,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:21,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:21,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:21,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:21,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:28:21,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-03-24 15:28:21,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548435794] [2021-03-24 15:28:21,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:28:21,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:28:21,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:28:21,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:28:21,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:28:21,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 1957 transitions, 68286 flow. Second operand has 11 states, 11 states have (on average 28.181818181818183) internal successors, (310), 11 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:21,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:28:21,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:28:21,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:28:29,026 INFO L129 PetriNetUnfolder]: 6251/11538 cut-off events. [2021-03-24 15:28:29,026 INFO L130 PetriNetUnfolder]: For 941804/945064 co-relation queries the response was YES. [2021-03-24 15:28:29,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186985 conditions, 11538 events. 6251/11538 cut-off events. For 941804/945064 co-relation queries the response was YES. Maximal size of possible extension queue 1185. Compared 99053 event pairs, 112 based on Foata normal form. 365/11013 useless extension candidates. Maximal degree in co-relation 186767. Up to 5208 conditions per place. [2021-03-24 15:28:29,326 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1254 selfloop transitions, 488 changer transitions 5/1976 dead transitions. [2021-03-24 15:28:29,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 613 places, 1976 transitions, 72669 flow [2021-03-24 15:28:29,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:28:29,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:28:29,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 565 transitions. [2021-03-24 15:28:29,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8483483483483484 [2021-03-24 15:28:29,327 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 565 transitions. [2021-03-24 15:28:29,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 565 transitions. [2021-03-24 15:28:29,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:28:29,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 565 transitions. [2021-03-24 15:28:29,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.38888888888889) internal successors, (565), 18 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:29,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 37.0) internal successors, (703), 19 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:29,328 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 37.0) internal successors, (703), 19 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:29,328 INFO L185 Difference]: Start difference. First operand has 596 places, 1957 transitions, 68286 flow. Second operand 18 states and 565 transitions. [2021-03-24 15:28:29,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 613 places, 1976 transitions, 72669 flow [2021-03-24 15:28:39,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 1976 transitions, 71766 flow, removed 207 selfloop flow, removed 5 redundant places. [2021-03-24 15:28:39,497 INFO L241 Difference]: Finished difference. Result has 611 places, 1928 transitions, 67931 flow [2021-03-24 15:28:39,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=66745, PETRI_DIFFERENCE_MINUEND_PLACES=591, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=484, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=67931, PETRI_PLACES=611, PETRI_TRANSITIONS=1928} [2021-03-24 15:28:39,499 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 581 predicate places. [2021-03-24 15:28:39,499 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 1928 transitions, 67931 flow [2021-03-24 15:28:39,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 28.181818181818183) internal successors, (310), 11 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:39,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:28:39,499 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:28:39,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:28:39,716 INFO L428 AbstractCegarLoop]: === Iteration 63 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:28:39,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:28:39,716 INFO L82 PathProgramCache]: Analyzing trace with hash 392500693, now seen corresponding path program 9 times [2021-03-24 15:28:39,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:28:39,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887980032] [2021-03-24 15:28:39,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:28:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:28:39,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:39,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:39,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:28:39,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:39,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:39,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:39,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887980032] [2021-03-24 15:28:39,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866620881] [2021-03-24 15:28:39,738 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 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 15:28:39,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:28:39,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:28:39,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:28:39,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:28:39,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:39,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:39,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:39,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:39,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:39,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:39,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:39,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:39,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:39,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:39,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:39,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,818 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:28:39,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:39,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:39,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:39,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:39,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:39,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:39,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:39,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:39,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:39,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:39,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:39,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:39,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:28:39,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-24 15:28:39,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021344412] [2021-03-24 15:28:39,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:28:39,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:28:39,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:28:39,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:28:39,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:28:39,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 1928 transitions, 67931 flow. Second operand has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:39,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:28:39,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:28:39,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:28:47,435 INFO L129 PetriNetUnfolder]: 6308/11556 cut-off events. [2021-03-24 15:28:47,435 INFO L130 PetriNetUnfolder]: For 980020/983268 co-relation queries the response was YES. [2021-03-24 15:28:47,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190007 conditions, 11556 events. 6308/11556 cut-off events. For 980020/983268 co-relation queries the response was YES. Maximal size of possible extension queue 1171. Compared 98310 event pairs, 121 based on Foata normal form. 292/10967 useless extension candidates. Maximal degree in co-relation 189786. Up to 5269 conditions per place. [2021-03-24 15:28:47,751 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1291 selfloop transitions, 446 changer transitions 2/1966 dead transitions. [2021-03-24 15:28:47,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 1966 transitions, 72958 flow [2021-03-24 15:28:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 15:28:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 15:28:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 533 transitions. [2021-03-24 15:28:47,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8473767885532592 [2021-03-24 15:28:47,752 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 533 transitions. [2021-03-24 15:28:47,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 533 transitions. [2021-03-24 15:28:47,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:28:47,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 533 transitions. [2021-03-24 15:28:47,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.352941176470587) internal successors, (533), 17 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:47,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:47,753 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 37.0) internal successors, (666), 18 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:47,753 INFO L185 Difference]: Start difference. First operand has 611 places, 1928 transitions, 67931 flow. Second operand 17 states and 533 transitions. [2021-03-24 15:28:47,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 1966 transitions, 72958 flow [2021-03-24 15:28:57,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 1966 transitions, 71993 flow, removed 234 selfloop flow, removed 11 redundant places. [2021-03-24 15:28:57,939 INFO L241 Difference]: Finished difference. Result has 618 places, 1925 transitions, 68739 flow [2021-03-24 15:28:57,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=66284, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1905, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=424, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=68739, PETRI_PLACES=618, PETRI_TRANSITIONS=1925} [2021-03-24 15:28:57,941 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 588 predicate places. [2021-03-24 15:28:57,941 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 1925 transitions, 68739 flow [2021-03-24 15:28:57,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.3) internal successors, (283), 10 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:57,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:28:57,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:28:58,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable82 [2021-03-24 15:28:58,162 INFO L428 AbstractCegarLoop]: === Iteration 64 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:28:58,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:28:58,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1494884241, now seen corresponding path program 10 times [2021-03-24 15:28:58,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:28:58,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873581098] [2021-03-24 15:28:58,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:28:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:28:58,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:28:58,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:28:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:58,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873581098] [2021-03-24 15:28:58,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041893641] [2021-03-24 15:28:58,190 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 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 15:28:58,226 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:28:58,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:28:58,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:28:58,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:28:58,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:58,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:58,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:58,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:58,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:58,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:58,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:28:58,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:58,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:58,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:58,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:58,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:28:58,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:58,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:58,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:58,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:28:58,272 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:28:58,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:58,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:58,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:58,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:28:58,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:58,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:28:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:58,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:28:58,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:28:58,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036533426] [2021-03-24 15:28:58,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:28:58,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:28:58,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:28:58,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:28:58,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:28:58,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 1925 transitions, 68739 flow. Second operand has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:58,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:28:58,291 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:28:58,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:29:05,943 INFO L129 PetriNetUnfolder]: 6621/12157 cut-off events. [2021-03-24 15:29:05,943 INFO L130 PetriNetUnfolder]: For 1083333/1086499 co-relation queries the response was YES. [2021-03-24 15:29:06,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202985 conditions, 12157 events. 6621/12157 cut-off events. For 1083333/1086499 co-relation queries the response was YES. Maximal size of possible extension queue 1250. Compared 104461 event pairs, 152 based on Foata normal form. 81/11283 useless extension candidates. Maximal degree in co-relation 202763. Up to 5569 conditions per place. [2021-03-24 15:29:06,518 INFO L132 encePairwiseOnDemand]: 31/37 looper letters, 1182 selfloop transitions, 604 changer transitions 1/2014 dead transitions. [2021-03-24 15:29:06,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 2014 transitions, 75957 flow [2021-03-24 15:29:06,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 15:29:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 15:29:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 415 transitions. [2021-03-24 15:29:06,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8627858627858628 [2021-03-24 15:29:06,519 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 415 transitions. [2021-03-24 15:29:06,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 415 transitions. [2021-03-24 15:29:06,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:29:06,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 415 transitions. [2021-03-24 15:29:06,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.923076923076923) internal successors, (415), 13 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:06,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:06,520 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 37.0) internal successors, (518), 14 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:06,520 INFO L185 Difference]: Start difference. First operand has 618 places, 1925 transitions, 68739 flow. Second operand 13 states and 415 transitions. [2021-03-24 15:29:06,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 2014 transitions, 75957 flow [2021-03-24 15:29:18,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 2014 transitions, 75637 flow, removed 93 selfloop flow, removed 6 redundant places. [2021-03-24 15:29:18,315 INFO L241 Difference]: Finished difference. Result has 624 places, 1950 transitions, 71474 flow [2021-03-24 15:29:18,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=68304, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1922, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=579, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=71474, PETRI_PLACES=624, PETRI_TRANSITIONS=1950} [2021-03-24 15:29:18,317 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 594 predicate places. [2021-03-24 15:29:18,317 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 1950 transitions, 71474 flow [2021-03-24 15:29:18,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:18,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:29:18,317 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:29:18,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:29:18,518 INFO L428 AbstractCegarLoop]: === Iteration 65 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:29:18,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:29:18,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1834400079, now seen corresponding path program 11 times [2021-03-24 15:29:18,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:29:18,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3920466] [2021-03-24 15:29:18,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:29:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:29:18,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:18,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:18,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:18,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3920466] [2021-03-24 15:29:18,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512336128] [2021-03-24 15:29:18,548 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 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 15:29:18,568 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:29:18,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:29:18,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:29:18,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:29:18,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:18,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:29:18,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:18,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:18,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:29:18,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:18,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:18,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,585 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:29:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:18,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:18,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:29:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:18,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:29:18,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:18,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:18,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:18,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:18,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:18,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:18,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:29:18,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:29:18,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139760293] [2021-03-24 15:29:18,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:29:18,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:29:18,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:29:18,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:29:18,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:29:18,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 1950 transitions, 71474 flow. Second operand has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:18,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:29:18,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:29:18,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:29:26,881 INFO L129 PetriNetUnfolder]: 6580/12074 cut-off events. [2021-03-24 15:29:26,881 INFO L130 PetriNetUnfolder]: For 1125170/1128652 co-relation queries the response was YES. [2021-03-24 15:29:27,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204794 conditions, 12074 events. 6580/12074 cut-off events. For 1125170/1128652 co-relation queries the response was YES. Maximal size of possible extension queue 1250. Compared 103785 event pairs, 136 based on Foata normal form. 280/11432 useless extension candidates. Maximal degree in co-relation 204569. Up to 5549 conditions per place. [2021-03-24 15:29:27,204 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1188 selfloop transitions, 564 changer transitions 3/1982 dead transitions. [2021-03-24 15:29:27,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 1982 transitions, 75973 flow [2021-03-24 15:29:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 15:29:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 15:29:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 466 transitions. [2021-03-24 15:29:27,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8396396396396396 [2021-03-24 15:29:27,206 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 466 transitions. [2021-03-24 15:29:27,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 466 transitions. [2021-03-24 15:29:27,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:29:27,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 466 transitions. [2021-03-24 15:29:27,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.066666666666666) internal successors, (466), 15 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:27,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 37.0) internal successors, (592), 16 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:27,207 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 37.0) internal successors, (592), 16 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:27,207 INFO L185 Difference]: Start difference. First operand has 624 places, 1950 transitions, 71474 flow. Second operand 15 states and 466 transitions. [2021-03-24 15:29:27,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 1982 transitions, 75973 flow [2021-03-24 15:29:40,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 633 places, 1982 transitions, 75390 flow, removed 224 selfloop flow, removed 5 redundant places. [2021-03-24 15:29:40,171 INFO L241 Difference]: Finished difference. Result has 634 places, 1941 transitions, 71754 flow [2021-03-24 15:29:40,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=70717, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=564, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=71754, PETRI_PLACES=634, PETRI_TRANSITIONS=1941} [2021-03-24 15:29:40,173 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 604 predicate places. [2021-03-24 15:29:40,173 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 1941 transitions, 71754 flow [2021-03-24 15:29:40,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:40,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:29:40,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:29:40,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:29:40,388 INFO L428 AbstractCegarLoop]: === Iteration 66 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:29:40,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:29:40,388 INFO L82 PathProgramCache]: Analyzing trace with hash 209142941, now seen corresponding path program 12 times [2021-03-24 15:29:40,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:29:40,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66972454] [2021-03-24 15:29:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:29:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:29:40,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:29:40,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:40,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66972454] [2021-03-24 15:29:40,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164684137] [2021-03-24 15:29:40,416 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 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 15:29:40,444 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 15:29:40,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:29:40,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:29:40,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:29:40,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:40,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:29:40,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:40,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:40,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:29:40,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:40,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:40,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:29:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:29:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:40,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,481 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-24 15:29:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:40,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:40,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:40,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:40,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:40,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:40,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:40,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:40,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:40,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:40,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:29:40,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-24 15:29:40,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036960641] [2021-03-24 15:29:40,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:29:40,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:29:40,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:29:40,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:29:40,507 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 37 [2021-03-24 15:29:40,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 1941 transitions, 71754 flow. Second operand has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:40,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:29:40,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 37 [2021-03-24 15:29:40,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:29:49,996 INFO L129 PetriNetUnfolder]: 6566/12072 cut-off events. [2021-03-24 15:29:49,996 INFO L130 PetriNetUnfolder]: For 1113777/1116881 co-relation queries the response was YES. [2021-03-24 15:29:50,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204271 conditions, 12072 events. 6566/12072 cut-off events. For 1113777/1116881 co-relation queries the response was YES. Maximal size of possible extension queue 1242. Compared 103747 event pairs, 127 based on Foata normal form. 280/11396 useless extension candidates. Maximal degree in co-relation 204044. Up to 5495 conditions per place. [2021-03-24 15:29:50,555 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1076 selfloop transitions, 689 changer transitions 1/1993 dead transitions. [2021-03-24 15:29:50,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 1993 transitions, 77064 flow [2021-03-24 15:29:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 15:29:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 15:29:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 594 transitions. [2021-03-24 15:29:50,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.844950213371266 [2021-03-24 15:29:50,556 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 594 transitions. [2021-03-24 15:29:50,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 594 transitions. [2021-03-24 15:29:50,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:29:50,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 594 transitions. [2021-03-24 15:29:50,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.263157894736842) internal successors, (594), 19 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:50,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:50,558 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:50,558 INFO L185 Difference]: Start difference. First operand has 634 places, 1941 transitions, 71754 flow. Second operand 19 states and 594 transitions. [2021-03-24 15:29:50,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 1993 transitions, 77064 flow [2021-03-24 15:30:02,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 636 places, 1993 transitions, 75240 flow, removed 33 selfloop flow, removed 14 redundant places. [2021-03-24 15:30:02,863 INFO L241 Difference]: Finished difference. Result has 638 places, 1945 transitions, 71903 flow [2021-03-24 15:30:02,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=69270, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1925, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=670, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=71903, PETRI_PLACES=638, PETRI_TRANSITIONS=1945} [2021-03-24 15:30:02,865 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 608 predicate places. [2021-03-24 15:30:02,865 INFO L480 AbstractCegarLoop]: Abstraction has has 638 places, 1945 transitions, 71903 flow [2021-03-24 15:30:02,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.2) internal successors, (282), 10 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:02,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:30:02,865 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:30:03,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2021-03-24 15:30:03,066 INFO L428 AbstractCegarLoop]: === Iteration 67 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:30:03,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:30:03,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1693687725, now seen corresponding path program 29 times [2021-03-24 15:30:03,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:30:03,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388566184] [2021-03-24 15:30:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:30:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:30:03,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:03,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:30:03,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:30:03,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:03,104 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-24 15:30:03,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:30:03,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:30:03,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:30:03,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:30:03,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:30:03,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:30:03,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:03,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388566184] [2021-03-24 15:30:03,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874558227] [2021-03-24 15:30:03,224 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 15:30:03,249 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:30:03,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:30:03,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 33 conjunts are in the unsatisfiable core [2021-03-24 15:30:03,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:30:03,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:03,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:03,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:03,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:03,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:03,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:03,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:03,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:03,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,284 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:30:03,284 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:30:03,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:03,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:03,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:03,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,300 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-03-24 15:30:03,300 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-24 15:30:03,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:03,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:03,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:03,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,319 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-24 15:30:03,320 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-24 15:30:03,320 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 15:30:03,321 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:30:03,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:03,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:03,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:03,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:30:03,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:03,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:03,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:03,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:03,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:03,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-03-24 15:30:03,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:30:03,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:30:03,377 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:7 [2021-03-24 15:30:03,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:03,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:03,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:03,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:30:03,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-03-24 15:30:03,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968668372] [2021-03-24 15:30:03,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 15:30:03,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:30:03,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 15:30:03,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-03-24 15:30:03,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:30:03,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 1945 transitions, 71903 flow. Second operand has 17 states, 17 states have (on average 23.176470588235293) internal successors, (394), 17 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:03,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:30:03,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:30:03,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:30:15,559 INFO L129 PetriNetUnfolder]: 9069/15619 cut-off events. [2021-03-24 15:30:15,559 INFO L130 PetriNetUnfolder]: For 1410950/1410981 co-relation queries the response was YES. [2021-03-24 15:30:16,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264071 conditions, 15619 events. 9069/15619 cut-off events. For 1410950/1410981 co-relation queries the response was YES. Maximal size of possible extension queue 1403. Compared 128125 event pairs, 282 based on Foata normal form. 17/14651 useless extension candidates. Maximal degree in co-relation 263846. Up to 8743 conditions per place. [2021-03-24 15:30:16,497 INFO L132 encePairwiseOnDemand]: 26/37 looper letters, 1657 selfloop transitions, 876 changer transitions 32/2576 dead transitions. [2021-03-24 15:30:16,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 2576 transitions, 98799 flow [2021-03-24 15:30:16,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-24 15:30:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-03-24 15:30:16,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 990 transitions. [2021-03-24 15:30:16,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7231555880204529 [2021-03-24 15:30:16,499 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 990 transitions. [2021-03-24 15:30:16,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 990 transitions. [2021-03-24 15:30:16,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:30:16,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 990 transitions. [2021-03-24 15:30:16,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 26.756756756756758) internal successors, (990), 37 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:16,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 37.0) internal successors, (1406), 38 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:16,501 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 37.0) internal successors, (1406), 38 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:16,501 INFO L185 Difference]: Start difference. First operand has 638 places, 1945 transitions, 71903 flow. Second operand 37 states and 990 transitions. [2021-03-24 15:30:16,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 2576 transitions, 98799 flow [2021-03-24 15:30:33,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 2576 transitions, 97492 flow, removed 156 selfloop flow, removed 11 redundant places. [2021-03-24 15:30:33,080 INFO L241 Difference]: Finished difference. Result has 676 places, 2390 transitions, 91171 flow [2021-03-24 15:30:33,082 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=70894, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=491, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=91171, PETRI_PLACES=676, PETRI_TRANSITIONS=2390} [2021-03-24 15:30:33,082 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 646 predicate places. [2021-03-24 15:30:33,083 INFO L480 AbstractCegarLoop]: Abstraction has has 676 places, 2390 transitions, 91171 flow [2021-03-24 15:30:33,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 23.176470588235293) internal successors, (394), 17 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:33,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:30:33,083 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:30:33,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:30:33,288 INFO L428 AbstractCegarLoop]: === Iteration 68 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:30:33,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:30:33,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1385162775, now seen corresponding path program 13 times [2021-03-24 15:30:33,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:30:33,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708851191] [2021-03-24 15:30:33,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:30:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:30:33,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:33,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:30:33,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:30:33,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:33,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 15:30:33,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:30:33,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:33,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:33,394 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 15:30:33,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:33,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:30:33,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:33,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708851191] [2021-03-24 15:30:33,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221219587] [2021-03-24 15:30:33,422 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 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 15:30:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:30:33,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 33 conjunts are in the unsatisfiable core [2021-03-24 15:30:33,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:30:33,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:33,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:33,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:33,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:30:33,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:33,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:33,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:33,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:33,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:33,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:33,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:33,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:33,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,502 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:30:33,502 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:30:33,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:33,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:33,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:33,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:33,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:30:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:33,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:33,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:30:33,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:30:33,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:30:33,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:30:33,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:33,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:33,562 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-24 15:30:33,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:33,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:30:33,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:33,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:33,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:30:33,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-03-24 15:30:33,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:30:33,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,573 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 15:30:33,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:30:33,573 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2021-03-24 15:30:33,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,589 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-24 15:30:33,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 15:30:33,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:30:33,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:30:33,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:30:33,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:30:33,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:30:33,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:30:33,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:30:33,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:30:33,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:30:33,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:33,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:30:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:33,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:30:33,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-03-24 15:30:33,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113306470] [2021-03-24 15:30:33,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:30:33,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:30:33,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:30:33,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:30:33,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:30:33,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 676 places, 2390 transitions, 91171 flow. Second operand has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:33,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:30:33,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:30:33,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:30:48,843 INFO L129 PetriNetUnfolder]: 9252/15935 cut-off events. [2021-03-24 15:30:48,843 INFO L130 PetriNetUnfolder]: For 1518013/1518035 co-relation queries the response was YES. [2021-03-24 15:30:49,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 280546 conditions, 15935 events. 9252/15935 cut-off events. For 1518013/1518035 co-relation queries the response was YES. Maximal size of possible extension queue 1440. Compared 131122 event pairs, 351 based on Foata normal form. 8/14953 useless extension candidates. Maximal degree in co-relation 280305. Up to 12527 conditions per place. [2021-03-24 15:30:49,287 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 2301 selfloop transitions, 339 changer transitions 1/2652 dead transitions. [2021-03-24 15:30:49,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 697 places, 2652 transitions, 106383 flow [2021-03-24 15:30:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:30:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:30:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 597 transitions. [2021-03-24 15:30:49,288 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7334152334152334 [2021-03-24 15:30:49,288 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 597 transitions. [2021-03-24 15:30:49,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 597 transitions. [2021-03-24 15:30:49,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:30:49,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 597 transitions. [2021-03-24 15:30:49,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 27.136363636363637) internal successors, (597), 22 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:49,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 37.0) internal successors, (851), 23 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:49,289 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 37.0) internal successors, (851), 23 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:49,290 INFO L185 Difference]: Start difference. First operand has 676 places, 2390 transitions, 91171 flow. Second operand 22 states and 597 transitions. [2021-03-24 15:30:49,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 697 places, 2652 transitions, 106383 flow [2021-03-24 15:31:09,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 2652 transitions, 103742 flow, removed 1272 selfloop flow, removed 7 redundant places. [2021-03-24 15:31:09,072 INFO L241 Difference]: Finished difference. Result has 700 places, 2528 transitions, 95647 flow [2021-03-24 15:31:09,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=88760, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=95647, PETRI_PLACES=700, PETRI_TRANSITIONS=2528} [2021-03-24 15:31:09,074 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 670 predicate places. [2021-03-24 15:31:09,074 INFO L480 AbstractCegarLoop]: Abstraction has has 700 places, 2528 transitions, 95647 flow [2021-03-24 15:31:09,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:09,074 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:31:09,074 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:31:09,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-03-24 15:31:09,288 INFO L428 AbstractCegarLoop]: === Iteration 69 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:31:09,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:31:09,288 INFO L82 PathProgramCache]: Analyzing trace with hash -774830647, now seen corresponding path program 30 times [2021-03-24 15:31:09,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:31:09,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950663377] [2021-03-24 15:31:09,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:31:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:31:09,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:31:09,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:31:09,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:31:09,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:31:09,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 15:31:09,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:31:09,417 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-03-24 15:31:09,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:31:09,445 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-24 15:31:09,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:31:09,468 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:31:09,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,479 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:31:09,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950663377] [2021-03-24 15:31:09,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655200341] [2021-03-24 15:31:09,480 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 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 15:31:09,508 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-24 15:31:09,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:31:09,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 34 conjunts are in the unsatisfiable core [2021-03-24 15:31:09,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:31:09,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:09,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:09,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:09,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:09,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:09,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:09,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:09,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:09,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:09,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:09,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:09,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:09,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:09,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,546 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:31:09,546 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:31:09,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:09,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:09,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:09,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:09,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:09,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:09,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:09,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:09,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:09,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:09,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:09,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,602 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-03-24 15:31:09,603 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:31:09,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,625 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size 34 [2021-03-24 15:31:09,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-24 15:31:09,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:09,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:31:09,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:09,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:09,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:31:09,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:09,640 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 28 [2021-03-24 15:31:09,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,642 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 15:31:09,642 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 15:31:09,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:09,643 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:31:09,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,654 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:31:09,654 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:25 [2021-03-24 15:31:09,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,680 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-24 15:31:09,681 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-24 15:31:09,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:09,729 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-24 15:31:09,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:09,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:09,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:09,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:31:09,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,734 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:31:09,735 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:09,735 INFO L142 QuantifierPusher]: treesize reduction 20, result has 54.5 percent of original size [2021-03-24 15:31:09,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:31:09,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:31:09,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:31:09,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:09,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:31:09,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:31:09,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-24 15:31:09,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521854327] [2021-03-24 15:31:09,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:31:09,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:31:09,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:31:09,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:31:09,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:31:09,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 2528 transitions, 95647 flow. Second operand has 19 states, 19 states have (on average 23.210526315789473) internal successors, (441), 19 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:09,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:31:09,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:31:09,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:31:26,060 INFO L129 PetriNetUnfolder]: 10046/17399 cut-off events. [2021-03-24 15:31:26,061 INFO L130 PetriNetUnfolder]: For 1702244/1702272 co-relation queries the response was YES. [2021-03-24 15:31:26,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308312 conditions, 17399 events. 10046/17399 cut-off events. For 1702244/1702272 co-relation queries the response was YES. Maximal size of possible extension queue 1559. Compared 146077 event pairs, 332 based on Foata normal form. 23/16300 useless extension candidates. Maximal degree in co-relation 308060. Up to 13059 conditions per place. [2021-03-24 15:31:26,604 INFO L132 encePairwiseOnDemand]: 26/37 looper letters, 2462 selfloop transitions, 555 changer transitions 17/3045 dead transitions. [2021-03-24 15:31:26,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 3045 transitions, 123360 flow [2021-03-24 15:31:26,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-24 15:31:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-24 15:31:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 837 transitions. [2021-03-24 15:31:26,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7297297297297297 [2021-03-24 15:31:26,605 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 837 transitions. [2021-03-24 15:31:26,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 837 transitions. [2021-03-24 15:31:26,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:31:26,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 837 transitions. [2021-03-24 15:31:26,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 27.0) internal successors, (837), 31 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:26,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 37.0) internal successors, (1184), 32 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:26,607 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 37.0) internal successors, (1184), 32 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:26,607 INFO L185 Difference]: Start difference. First operand has 700 places, 2528 transitions, 95647 flow. Second operand 31 states and 837 transitions. [2021-03-24 15:31:26,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 3045 transitions, 123360 flow [2021-03-24 15:31:49,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 723 places, 3045 transitions, 121727 flow, removed 766 selfloop flow, removed 7 redundant places. [2021-03-24 15:31:49,161 INFO L241 Difference]: Finished difference. Result has 734 places, 2808 transitions, 109299 flow [2021-03-24 15:31:49,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=94242, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=338, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=109299, PETRI_PLACES=734, PETRI_TRANSITIONS=2808} [2021-03-24 15:31:49,163 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 704 predicate places. [2021-03-24 15:31:49,163 INFO L480 AbstractCegarLoop]: Abstraction has has 734 places, 2808 transitions, 109299 flow [2021-03-24 15:31:49,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 23.210526315789473) internal successors, (441), 19 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:49,163 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:31:49,163 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:31:49,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-03-24 15:31:49,364 INFO L428 AbstractCegarLoop]: === Iteration 70 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:31:49,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:31:49,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1886318475, now seen corresponding path program 31 times [2021-03-24 15:31:49,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:31:49,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324636763] [2021-03-24 15:31:49,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:31:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:31:49,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:49,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:31:49,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:31:49,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:31:49,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:31:49,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 15:31:49,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:31:49,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:31:49,488 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-24 15:31:49,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:31:49,514 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:31:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:31:49,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324636763] [2021-03-24 15:31:49,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109838304] [2021-03-24 15:31:49,527 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 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 15:31:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:31:49,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 33 conjunts are in the unsatisfiable core [2021-03-24 15:31:49,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:31:49,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:49,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:49,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:49,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:31:49,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:49,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:49,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:49,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:49,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:49,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:49,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:49,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:31:49,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:49,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:49,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:49,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:49,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:49,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:49,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:49,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:49,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,597 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:31:49,598 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:31:49,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:49,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:49,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:49,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:49,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:49,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:49,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:49,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,634 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-24 15:31:49,635 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-24 15:31:49,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:31:49,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:31:49,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:31:49,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,653 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:31:49,654 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:31:49,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:49,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:49,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:49,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,673 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 15:31:49,673 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 15:31:49,674 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:31:49,674 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:31:49,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:49,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:49,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,694 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-03-24 15:31:49,694 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-24 15:31:49,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:49,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:49,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:31:49,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:49,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:49,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:31:49,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-03-24 15:31:49,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:31:49,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:31:49,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:31:49,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:31:49,703 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:31:49,703 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-24 15:31:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:31:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:31:49,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:31:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:31:49,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:31:49,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-03-24 15:31:49,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593924652] [2021-03-24 15:31:49,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:31:49,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:31:49,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:31:49,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:31:49,735 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:31:49,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 734 places, 2808 transitions, 109299 flow. Second operand has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:49,735 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:31:49,735 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:31:49,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:32:12,216 INFO L129 PetriNetUnfolder]: 10786/18699 cut-off events. [2021-03-24 15:32:12,217 INFO L130 PetriNetUnfolder]: For 1968886/1968907 co-relation queries the response was YES. [2021-03-24 15:32:12,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 340699 conditions, 18699 events. 10786/18699 cut-off events. For 1968886/1968907 co-relation queries the response was YES. Maximal size of possible extension queue 1620. Compared 158528 event pairs, 365 based on Foata normal form. 28/17500 useless extension candidates. Maximal degree in co-relation 340435. Up to 13845 conditions per place. [2021-03-24 15:32:12,968 INFO L132 encePairwiseOnDemand]: 27/37 looper letters, 2640 selfloop transitions, 597 changer transitions 10/3258 dead transitions. [2021-03-24 15:32:12,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 760 places, 3258 transitions, 135697 flow [2021-03-24 15:32:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 15:32:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 15:32:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 728 transitions. [2021-03-24 15:32:12,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7287287287287287 [2021-03-24 15:32:12,970 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 728 transitions. [2021-03-24 15:32:12,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 728 transitions. [2021-03-24 15:32:12,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:32:12,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 728 transitions. [2021-03-24 15:32:12,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 26.962962962962962) internal successors, (728), 27 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:32:12,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:32:12,972 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:32:12,972 INFO L185 Difference]: Start difference. First operand has 734 places, 2808 transitions, 109299 flow. Second operand 27 states and 728 transitions. [2021-03-24 15:32:12,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 760 places, 3258 transitions, 135697 flow [2021-03-24 15:32:39,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 750 places, 3258 transitions, 131832 flow, removed 1870 selfloop flow, removed 10 redundant places. [2021-03-24 15:32:39,979 INFO L241 Difference]: Finished difference. Result has 757 places, 3054 transitions, 120417 flow [2021-03-24 15:32:39,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=106274, PETRI_DIFFERENCE_MINUEND_PLACES=724, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2806, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=408, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=120417, PETRI_PLACES=757, PETRI_TRANSITIONS=3054} [2021-03-24 15:32:39,981 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 727 predicate places. [2021-03-24 15:32:39,981 INFO L480 AbstractCegarLoop]: Abstraction has has 757 places, 3054 transitions, 120417 flow [2021-03-24 15:32:39,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:32:39,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:32:39,981 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:32:40,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,54 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:32:40,182 INFO L428 AbstractCegarLoop]: === Iteration 71 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:32:40,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:32:40,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1794962389, now seen corresponding path program 14 times [2021-03-24 15:32:40,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:32:40,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785000619] [2021-03-24 15:32:40,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:32:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:32:40,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:32:40,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:32:40,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:32:40,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:32:40,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:32:40,226 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-03-24 15:32:40,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:32:40,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 15:32:40,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:32:40,279 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 15:32:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:32:40,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:32:40,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:32:40,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785000619] [2021-03-24 15:32:40,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088096396] [2021-03-24 15:32:40,301 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 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 15:32:40,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:32:40,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:32:40,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 33 conjunts are in the unsatisfiable core [2021-03-24 15:32:40,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:32:40,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:32:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:32:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:32:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:32:40,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:32:40,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:32:40,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:32:40,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:32:40,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:32:40,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:32:40,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:32:40,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:32:40,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:32:40,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:32:40,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:32:40,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:32:40,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:32:40,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:32:40,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:32:40,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:32:40,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:32:40,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:32:40,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:32:40,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:32:40,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:32:40,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:32:40,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:32:40,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:32:40,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:32:40,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:32:40,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:32:40,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:32:40,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,390 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-24 15:32:40,390 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-24 15:32:40,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:32:40,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:32:40,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:32:40,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:32:40,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:32:40,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:32:40,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:32:40,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,422 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-24 15:32:40,423 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-24 15:32:40,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:32:40,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:32:40,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:32:40,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:32:40,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:32:40,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:32:40,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-03-24 15:32:40,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:32:40,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:32:40,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:32:40,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:32:40,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:32:40,442 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:5 [2021-03-24 15:32:40,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:32:40,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:32:40,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:32:40,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:32:40,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:32:40,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:32:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:32:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:32:40,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:32:40,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:32:40,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-03-24 15:32:40,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442916027] [2021-03-24 15:32:40,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:32:40,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:32:40,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:32:40,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:32:40,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:32:40,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 757 places, 3054 transitions, 120417 flow. Second operand has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:32:40,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:32:40,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:32:40,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:33:04,091 INFO L129 PetriNetUnfolder]: 11528/20037 cut-off events. [2021-03-24 15:33:04,091 INFO L130 PetriNetUnfolder]: For 2182961/2182982 co-relation queries the response was YES. [2021-03-24 15:33:05,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 369468 conditions, 20037 events. 11528/20037 cut-off events. For 2182961/2182982 co-relation queries the response was YES. Maximal size of possible extension queue 1716. Compared 171870 event pairs, 360 based on Foata normal form. 22/18726 useless extension candidates. Maximal degree in co-relation 369198. Up to 15079 conditions per place. [2021-03-24 15:33:05,197 INFO L132 encePairwiseOnDemand]: 27/37 looper letters, 2880 selfloop transitions, 701 changer transitions 16/3608 dead transitions. [2021-03-24 15:33:05,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 785 places, 3608 transitions, 152579 flow [2021-03-24 15:33:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-24 15:33:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-24 15:33:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 785 transitions. [2021-03-24 15:33:05,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7315936626281454 [2021-03-24 15:33:05,198 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 785 transitions. [2021-03-24 15:33:05,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 785 transitions. [2021-03-24 15:33:05,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:33:05,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 785 transitions. [2021-03-24 15:33:05,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 27.06896551724138) internal successors, (785), 29 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:33:05,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 37.0) internal successors, (1110), 30 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:33:05,200 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 37.0) internal successors, (1110), 30 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:33:05,200 INFO L185 Difference]: Start difference. First operand has 757 places, 3054 transitions, 120417 flow. Second operand 29 states and 785 transitions. [2021-03-24 15:33:05,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 785 places, 3608 transitions, 152579 flow [2021-03-24 15:33:35,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 3608 transitions, 149525 flow, removed 1402 selfloop flow, removed 14 redundant places. [2021-03-24 15:33:35,582 INFO L241 Difference]: Finished difference. Result has 779 places, 3372 transitions, 136432 flow [2021-03-24 15:33:35,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=118041, PETRI_DIFFERENCE_MINUEND_PLACES=743, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=460, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=136432, PETRI_PLACES=779, PETRI_TRANSITIONS=3372} [2021-03-24 15:33:35,584 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 749 predicate places. [2021-03-24 15:33:35,584 INFO L480 AbstractCegarLoop]: Abstraction has has 779 places, 3372 transitions, 136432 flow [2021-03-24 15:33:35,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 23.22222222222222) internal successors, (418), 18 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:33:35,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:33:35,584 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:33:35,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:33:35,789 INFO L428 AbstractCegarLoop]: === Iteration 72 === [thread1Err3INUSE_VIOLATION, thread1Thread1of1ForFork0Err0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, thread1Thread1of1ForFork0Err1INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 15:33:35,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:33:35,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1675988367, now seen corresponding path program 32 times [2021-03-24 15:33:35,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:33:35,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853418942] [2021-03-24 15:33:35,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:33:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:33:35,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:33:35,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:33:35,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:33:35,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:33:35,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 15:33:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 15:33:35,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:33:35,910 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-24 15:33:35,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:33:35,931 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-24 15:33:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:33:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:33:35,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853418942] [2021-03-24 15:33:35,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788570025] [2021-03-24 15:33:35,941 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 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 15:33:35,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:33:35,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:33:35,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 34 conjunts are in the unsatisfiable core [2021-03-24 15:33:35,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:33:35,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:35,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:35,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:35,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:35,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:33:35,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:33:35,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:33:35,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:33:35,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:33:35,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:33:35,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:33:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:33:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:33:35,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:33:35,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:33:35,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:33:35,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:33:35,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:33:35,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:33:35,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:33:35,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:35,999 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:33:35,999 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:33:35,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:33:36,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:33:36,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:33:36,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:33:36,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:33:36,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:33:36,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:33:36,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:33:36,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:33:36,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:33:36,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:33:36,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,055 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-24 15:33:36,055 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-24 15:33:36,056 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-24 15:33:36,056 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 15:33:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:33:36,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:33:36,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,076 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-03-24 15:33:36,076 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-24 15:33:36,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:33:36,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:33:36,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:33:36,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,097 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size 33 [2021-03-24 15:33:36,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-03-24 15:33:36,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:33:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:33:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:33:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:33:36,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:33:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:33:36,115 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2021-03-24 15:33:36,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,117 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:33:36,117 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:33:36,118 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-24 15:33:36,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:33:36,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:33:36,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:33:36,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:33:36,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:33:36,139 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:35 [2021-03-24 15:33:36,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:33:36,184 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-24 15:33:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:33:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:33:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:33:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:33:36,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,187 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:33:36,188 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:33:36,188 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size [2021-03-24 15:33:36,188 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:33:36,189 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:33:36,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,191 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:33:36,191 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:33:36,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:33:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:33:36,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:33:36,206 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:33:36,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:33:36,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2021-03-24 15:33:36,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249948729] [2021-03-24 15:33:36,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:33:36,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:33:36,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:33:36,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:33:36,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 37 [2021-03-24 15:33:36,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 779 places, 3372 transitions, 136432 flow. Second operand has 19 states, 19 states have (on average 23.263157894736842) internal successors, (442), 19 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:33:36,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:33:36,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 37 [2021-03-24 15:33:36,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:34:02,273 INFO L129 PetriNetUnfolder]: 12281/21302 cut-off events. [2021-03-24 15:34:02,273 INFO L130 PetriNetUnfolder]: For 2441147/2441175 co-relation queries the response was YES. [2021-03-24 15:34:04,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 398679 conditions, 21302 events. 12281/21302 cut-off events. For 2441147/2441175 co-relation queries the response was YES. Maximal size of possible extension queue 1783. Compared 184188 event pairs, 424 based on Foata normal form. 162/20017 useless extension candidates. Maximal degree in co-relation 398400. Up to 15627 conditions per place. [2021-03-24 15:34:04,712 INFO L132 encePairwiseOnDemand]: 26/37 looper letters, 0 selfloop transitions, 0 changer transitions 3876/3876 dead transitions. [2021-03-24 15:34:04,712 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 805 places, 3876 transitions, 166141 flow [2021-03-24 15:34:04,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-24 15:34:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-24 15:34:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 758 transitions. [2021-03-24 15:34:04,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7316602316602316 [2021-03-24 15:34:04,713 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 758 transitions. [2021-03-24 15:34:04,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 758 transitions. [2021-03-24 15:34:04,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:34:04,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 758 transitions. [2021-03-24 15:34:04,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 27.071428571428573) internal successors, (758), 28 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:34:04,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:34:04,715 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:34:04,715 INFO L185 Difference]: Start difference. First operand has 779 places, 3372 transitions, 136432 flow. Second operand 28 states and 758 transitions. [2021-03-24 15:34:04,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 805 places, 3876 transitions, 166141 flow [2021-03-24 15:34:45,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 784 places, 3876 transitions, 162450 flow, removed 1733 selfloop flow, removed 21 redundant places. [2021-03-24 15:34:45,882 INFO L241 Difference]: Finished difference. Result has 784 places, 0 transitions, 0 flow [2021-03-24 15:34:45,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=133047, PETRI_DIFFERENCE_MINUEND_PLACES=757, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=0, PETRI_PLACES=784, PETRI_TRANSITIONS=0} [2021-03-24 15:34:45,883 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 754 predicate places. [2021-03-24 15:34:45,883 INFO L480 AbstractCegarLoop]: Abstraction has has 784 places, 0 transitions, 0 flow [2021-03-24 15:34:45,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 23.263157894736842) internal successors, (442), 19 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:34:46,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:34:46,087 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 03:34:46 BasicIcfg [2021-03-24 15:34:46,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 15:34:46,087 INFO L168 Benchmark]: Toolchain (without parser) took 673837.30 ms. Allocated memory was 255.9 MB in the beginning and 13.7 GB in the end (delta: 13.4 GB). Free memory was 236.4 MB in the beginning and 7.5 GB in the end (delta: -7.3 GB). Peak memory consumption was 13.8 GB. Max. memory is 16.0 GB. [2021-03-24 15:34:46,087 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.94 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 15:34:46,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.80 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 15:34:46,088 INFO L168 Benchmark]: Boogie Preprocessor took 19.97 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 15:34:46,088 INFO L168 Benchmark]: RCFGBuilder took 299.77 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 234.2 MB in the end (delta: -393.4 kB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. [2021-03-24 15:34:46,088 INFO L168 Benchmark]: TraceAbstraction took 673486.10 ms. Allocated memory was 255.9 MB in the beginning and 13.7 GB in the end (delta: 13.4 GB). Free memory was 234.2 MB in the beginning and 7.5 GB in the end (delta: -7.3 GB). Peak memory consumption was 13.8 GB. Max. memory is 16.0 GB. [2021-03-24 15:34:46,088 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 0.94 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.80 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.97 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 299.77 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 234.2 MB in the end (delta: -393.4 kB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 673486.10 ms. Allocated memory was 255.9 MB in the beginning and 13.7 GB in the end (delta: 13.4 GB). Free memory was 234.2 MB in the beginning and 7.5 GB in the end (delta: -7.3 GB). Peak memory consumption was 13.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129.5ms, 32 PlacesBefore, 30 PlacesAfterwards, 24 TransitionsBefore, 22 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 87 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 41, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - PositiveResult [Line: 86]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 673352.9ms, OverallIterations: 72, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 648449.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 211.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 818 SDtfs, 1898 SDslu, 1098 SDs, 0 SdLazy, 14968 SolverSat, 1558 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7029.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1961 GetRequests, 861 SyntacticMatches, 48 SemanticMatches, 1052 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4064 ImplicationChecksByTransitivity, 13211.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=136432occurred in iteration=71, InterpolantAutomatonStates: 971, 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: 313.5ms SsaConstructionTime, 732.7ms SatisfiabilityAnalysisTime, 10785.6ms InterpolantComputationTime, 2377 NumberOfCodeBlocks, 2377 NumberOfCodeBlocksAsserted, 177 NumberOfCheckSat, 2250 ConstructedInterpolants, 37 QuantifiedInterpolants, 14892 SizeOfPredicates, 207 NumberOfNonLiveVariables, 4026 ConjunctsInSsa, 783 ConjunctsInUnsatCore, 127 InterpolantComputations, 17 PerfectInterpolantSequences, 134/383 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...