/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 22:37:48,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 22:37:48,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 22:37:48,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 22:37:48,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 22:37:48,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 22:37:48,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 22:37:48,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 22:37:48,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 22:37:48,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 22:37:48,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 22:37:48,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 22:37:48,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 22:37:48,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 22:37:48,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 22:37:48,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 22:37:48,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 22:37:48,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 22:37:48,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 22:37:49,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 22:37:49,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 22:37:49,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 22:37:49,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 22:37:49,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 22:37:49,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 22:37:49,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 22:37:49,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 22:37:49,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 22:37:49,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 22:37:49,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 22:37:49,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 22:37:49,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 22:37:49,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 22:37:49,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 22:37:49,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 22:37:49,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 22:37:49,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 22:37:49,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 22:37:49,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 22:37:49,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 22:37:49,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 22:37:49,027 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-SemanticLbe.epf [2021-03-24 22:37:49,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 22:37:49,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 22:37:49,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 22:37:49,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 22:37:49,061 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 22:37:49,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 22:37:49,062 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 22:37:49,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 22:37:49,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 22:37:49,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 22:37:49,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 22:37:49,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 22:37:49,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 22:37:49,063 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 22:37:49,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 22:37:49,063 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 22:37:49,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 22:37:49,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 22:37:49,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 22:37:49,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 22:37:49,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 22:37:49,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 22:37:49,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 22:37:49,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 22:37:49,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 22:37:49,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 22:37:49,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 22:37:49,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 22:37:49,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 22:37:49,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 22:37:49,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 22:37:49,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 22:37:49,371 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-24 22:37:49,373 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-24 22:37:49,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-symm.wvr.bpl [2021-03-24 22:37:49,391 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-symm.wvr.bpl' [2021-03-24 22:37:49,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 22:37:49,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-24 22:37:49,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 22:37:49,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 22:37:49,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 22:37:49,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 22:37:49,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 22:37:49,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 22:37:49,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 22:37:49,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/1) ... [2021-03-24 22:37:49,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 22:37:49,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 22:37:49,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 22:37:49,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 22:37:49,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (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 22:37:49,535 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-24 22:37:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-24 22:37:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-24 22:37:49,535 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-24 22:37:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-24 22:37:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-24 22:37:49,536 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-24 22:37:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 22:37:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 22:37:49,537 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 22:37:49,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 22:37:49,746 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-24 22:37:49,748 INFO L202 PluginConnector]: Adding new model array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:37:49 BoogieIcfgContainer [2021-03-24 22:37:49,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 22:37:49,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 22:37:49,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 22:37:49,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 22:37:49,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 10:37:49" (1/2) ... [2021-03-24 22:37:49,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7a1648 and model type array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:37:49, skipping insertion in model container [2021-03-24 22:37:49,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:37:49" (2/2) ... [2021-03-24 22:37:49,753 INFO L111 eAbstractionObserver]: Analyzing ICFG array-eq-symm.wvr.bpl [2021-03-24 22:37:49,762 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 22:37:49,765 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 22:37:49,766 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 22:37:49,831 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-24 22:37:49,846 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-24 22:37:49,862 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 22:37:49,862 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 22:37:49,862 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 22:37:49,863 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 22:37:49,863 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 22:37:49,863 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 22:37:49,863 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 22:37:49,863 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 22:37:49,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 66 flow [2021-03-24 22:37:49,887 INFO L129 PetriNetUnfolder]: 4/23 cut-off events. [2021-03-24 22:37:49,887 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-24 22:37:49,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 4/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 39 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 17. Up to 3 conditions per place. [2021-03-24 22:37:49,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 25 transitions, 66 flow [2021-03-24 22:37:49,893 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 21 transitions, 54 flow [2021-03-24 22:37:49,895 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 22:37:49,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 21 transitions, 54 flow [2021-03-24 22:37:49,909 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 21 transitions, 54 flow [2021-03-24 22:37:49,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 21 transitions, 54 flow [2021-03-24 22:37:49,923 INFO L129 PetriNetUnfolder]: 4/21 cut-off events. [2021-03-24 22:37:49,923 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-24 22:37:49,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 4/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 37 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 17. Up to 3 conditions per place. [2021-03-24 22:37:49,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-24 22:37:50,199 INFO L154 LiptonReduction]: Checked pairs total: 48 [2021-03-24 22:37:50,199 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-24 22:37:50,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 309 [2021-03-24 22:37:50,222 INFO L129 PetriNetUnfolder]: 2/11 cut-off events. [2021-03-24 22:37:50,222 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-24 22:37:50,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:50,223 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:50,223 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:50,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:50,234 INFO L82 PathProgramCache]: Analyzing trace with hash -441214111, now seen corresponding path program 1 times [2021-03-24 22:37:50,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:50,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326306599] [2021-03-24 22:37:50,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:50,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:50,380 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 22:37:50,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326306599] [2021-03-24 22:37:50,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 22:37:50,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-24 22:37:50,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023130456] [2021-03-24 22:37:50,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 22:37:50,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:50,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 22:37:50,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 22:37:50,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 34 [2021-03-24 22:37:50,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 12 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:50,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 34 [2021-03-24 22:37:50,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:50,464 INFO L129 PetriNetUnfolder]: 25/57 cut-off events. [2021-03-24 22:37:50,464 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-24 22:37:50,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 57 events. 25/57 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 169 event pairs, 4 based on Foata normal form. 1/42 useless extension candidates. Maximal degree in co-relation 102. Up to 35 conditions per place. [2021-03-24 22:37:50,469 INFO L132 encePairwiseOnDemand]: 30/34 looper letters, 11 selfloop transitions, 3 changer transitions 0/18 dead transitions. [2021-03-24 22:37:50,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 18 transitions, 76 flow [2021-03-24 22:37:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 22:37:50,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 22:37:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2021-03-24 22:37:50,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-03-24 22:37:50,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 51 transitions. [2021-03-24 22:37:50,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 51 transitions. [2021-03-24 22:37:50,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:50,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 51 transitions. [2021-03-24 22:37:50,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,491 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,492 INFO L185 Difference]: Start difference. First operand has 17 places, 12 transitions, 36 flow. Second operand 3 states and 51 transitions. [2021-03-24 22:37:50,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 18 transitions, 76 flow [2021-03-24 22:37:50,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 18 transitions, 68 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 22:37:50,498 INFO L241 Difference]: Finished difference. Result has 16 places, 14 transitions, 47 flow [2021-03-24 22:37:50,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=16, PETRI_TRANSITIONS=14} [2021-03-24 22:37:50,500 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, -1 predicate places. [2021-03-24 22:37:50,500 INFO L480 AbstractCegarLoop]: Abstraction has has 16 places, 14 transitions, 47 flow [2021-03-24 22:37:50,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,500 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:50,500 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:50,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 22:37:50,500 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:50,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:50,501 INFO L82 PathProgramCache]: Analyzing trace with hash 574479741, now seen corresponding path program 1 times [2021-03-24 22:37:50,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:50,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742152335] [2021-03-24 22:37:50,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:50,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:50,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,581 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 22:37:50,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742152335] [2021-03-24 22:37:50,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 22:37:50,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 22:37:50,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062142177] [2021-03-24 22:37:50,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 22:37:50,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:50,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 22:37:50,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 22:37:50,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2021-03-24 22:37:50,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 14 transitions, 47 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:50,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2021-03-24 22:37:50,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:50,656 INFO L129 PetriNetUnfolder]: 26/64 cut-off events. [2021-03-24 22:37:50,657 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-24 22:37:50,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 64 events. 26/64 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 193 event pairs, 5 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 128. Up to 26 conditions per place. [2021-03-24 22:37:50,659 INFO L132 encePairwiseOnDemand]: 30/34 looper letters, 16 selfloop transitions, 4 changer transitions 0/24 dead transitions. [2021-03-24 22:37:50,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 24 transitions, 118 flow [2021-03-24 22:37:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 22:37:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 22:37:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 62 transitions. [2021-03-24 22:37:50,662 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45588235294117646 [2021-03-24 22:37:50,662 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 62 transitions. [2021-03-24 22:37:50,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 62 transitions. [2021-03-24 22:37:50,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:50,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 62 transitions. [2021-03-24 22:37:50,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 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 22:37:50,665 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 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 22:37:50,666 INFO L185 Difference]: Start difference. First operand has 16 places, 14 transitions, 47 flow. Second operand 4 states and 62 transitions. [2021-03-24 22:37:50,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 24 transitions, 118 flow [2021-03-24 22:37:50,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 24 transitions, 114 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 22:37:50,671 INFO L241 Difference]: Finished difference. Result has 20 places, 16 transitions, 69 flow [2021-03-24 22:37:50,673 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=69, PETRI_PLACES=20, PETRI_TRANSITIONS=16} [2021-03-24 22:37:50,674 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 3 predicate places. [2021-03-24 22:37:50,674 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 16 transitions, 69 flow [2021-03-24 22:37:50,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,679 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:50,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:50,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 22:37:50,680 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:50,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:50,680 INFO L82 PathProgramCache]: Analyzing trace with hash -87269555, now seen corresponding path program 2 times [2021-03-24 22:37:50,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:50,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800317244] [2021-03-24 22:37:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:50,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,750 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 22:37:50,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800317244] [2021-03-24 22:37:50,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386409996] [2021-03-24 22:37:50,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:50,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:37:50,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:50,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 22:37:50,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:50,790 INFO L142 QuantifierPusher]: treesize reduction 7, result has 53.3 percent of original size [2021-03-24 22:37:50,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:50,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:50,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:50,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:50,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:37:50,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 22:37:50,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:50,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:50,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:50,901 INFO L142 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size [2021-03-24 22:37:50,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:50,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:50,906 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 22:37:50,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:50,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-24 22:37:50,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593901737] [2021-03-24 22:37:50,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 22:37:50,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:50,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 22:37:50,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 22:37:50,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2021-03-24 22:37:50,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 16 transitions, 69 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:50,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2021-03-24 22:37:50,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:50,970 INFO L129 PetriNetUnfolder]: 23/55 cut-off events. [2021-03-24 22:37:50,970 INFO L130 PetriNetUnfolder]: For 39/41 co-relation queries the response was YES. [2021-03-24 22:37:50,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 55 events. 23/55 cut-off events. For 39/41 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 153 event pairs, 4 based on Foata normal form. 4/59 useless extension candidates. Maximal degree in co-relation 135. Up to 20 conditions per place. [2021-03-24 22:37:50,971 INFO L132 encePairwiseOnDemand]: 29/34 looper letters, 14 selfloop transitions, 7 changer transitions 1/26 dead transitions. [2021-03-24 22:37:50,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 26 transitions, 143 flow [2021-03-24 22:37:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 22:37:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 22:37:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2021-03-24 22:37:50,974 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4470588235294118 [2021-03-24 22:37:50,974 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 76 transitions. [2021-03-24 22:37:50,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 76 transitions. [2021-03-24 22:37:50,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:50,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 76 transitions. [2021-03-24 22:37:50,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,976 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,977 INFO L185 Difference]: Start difference. First operand has 20 places, 16 transitions, 69 flow. Second operand 5 states and 76 transitions. [2021-03-24 22:37:50,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 26 transitions, 143 flow [2021-03-24 22:37:50,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 26 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 22:37:50,979 INFO L241 Difference]: Finished difference. Result has 24 places, 18 transitions, 89 flow [2021-03-24 22:37:50,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=89, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2021-03-24 22:37:50,979 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 7 predicate places. [2021-03-24 22:37:50,979 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 89 flow [2021-03-24 22:37:50,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:50,979 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:50,979 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:51,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-24 22:37:51,180 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:51,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:51,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1643000141, now seen corresponding path program 1 times [2021-03-24 22:37:51,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:51,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787141839] [2021-03-24 22:37:51,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:51,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,221 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 22:37:51,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787141839] [2021-03-24 22:37:51,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 22:37:51,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 22:37:51,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818904142] [2021-03-24 22:37:51,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 22:37:51,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:51,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 22:37:51,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 22:37:51,223 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2021-03-24 22:37:51,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 89 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:51,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2021-03-24 22:37:51,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:51,285 INFO L129 PetriNetUnfolder]: 29/72 cut-off events. [2021-03-24 22:37:51,285 INFO L130 PetriNetUnfolder]: For 73/75 co-relation queries the response was YES. [2021-03-24 22:37:51,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 72 events. 29/72 cut-off events. For 73/75 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 213 event pairs, 6 based on Foata normal form. 2/74 useless extension candidates. Maximal degree in co-relation 200. Up to 37 conditions per place. [2021-03-24 22:37:51,287 INFO L132 encePairwiseOnDemand]: 30/34 looper letters, 21 selfloop transitions, 4 changer transitions 0/29 dead transitions. [2021-03-24 22:37:51,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 29 transitions, 195 flow [2021-03-24 22:37:51,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 22:37:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 22:37:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 62 transitions. [2021-03-24 22:37:51,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45588235294117646 [2021-03-24 22:37:51,290 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 62 transitions. [2021-03-24 22:37:51,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 62 transitions. [2021-03-24 22:37:51,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:51,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 62 transitions. [2021-03-24 22:37:51,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 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 22:37:51,293 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 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 22:37:51,293 INFO L185 Difference]: Start difference. First operand has 24 places, 18 transitions, 89 flow. Second operand 4 states and 62 transitions. [2021-03-24 22:37:51,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 29 transitions, 195 flow [2021-03-24 22:37:51,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 29 transitions, 175 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-24 22:37:51,295 INFO L241 Difference]: Finished difference. Result has 26 places, 20 transitions, 105 flow [2021-03-24 22:37:51,296 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=105, PETRI_PLACES=26, PETRI_TRANSITIONS=20} [2021-03-24 22:37:51,296 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 9 predicate places. [2021-03-24 22:37:51,296 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 20 transitions, 105 flow [2021-03-24 22:37:51,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:51,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:51,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 22:37:51,297 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:51,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:51,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1800852525, now seen corresponding path program 2 times [2021-03-24 22:37:51,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:51,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233992610] [2021-03-24 22:37:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:51,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,327 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 22:37:51,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233992610] [2021-03-24 22:37:51,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520067866] [2021-03-24 22:37:51,328 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 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 22:37:51,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:37:51,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:51,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-24 22:37:51,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:51,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:51,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:51,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:37:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 22:37:51,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:51,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:51,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:51,416 INFO L142 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size [2021-03-24 22:37:51,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:51,423 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 22:37:51,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:51,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-24 22:37:51,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201581450] [2021-03-24 22:37:51,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 22:37:51,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:51,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 22:37:51,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 22:37:51,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2021-03-24 22:37:51,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 20 transitions, 105 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:51,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2021-03-24 22:37:51,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:51,465 INFO L129 PetriNetUnfolder]: 26/59 cut-off events. [2021-03-24 22:37:51,465 INFO L130 PetriNetUnfolder]: For 57/58 co-relation queries the response was YES. [2021-03-24 22:37:51,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 59 events. 26/59 cut-off events. For 57/58 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 137 event pairs, 3 based on Foata normal form. 4/63 useless extension candidates. Maximal degree in co-relation 192. Up to 27 conditions per place. [2021-03-24 22:37:51,466 INFO L132 encePairwiseOnDemand]: 29/34 looper letters, 18 selfloop transitions, 7 changer transitions 1/30 dead transitions. [2021-03-24 22:37:51,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 30 transitions, 208 flow [2021-03-24 22:37:51,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 22:37:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 22:37:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 75 transitions. [2021-03-24 22:37:51,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4411764705882353 [2021-03-24 22:37:51,467 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 75 transitions. [2021-03-24 22:37:51,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 75 transitions. [2021-03-24 22:37:51,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:51,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 75 transitions. [2021-03-24 22:37:51,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,469 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,469 INFO L185 Difference]: Start difference. First operand has 26 places, 20 transitions, 105 flow. Second operand 5 states and 75 transitions. [2021-03-24 22:37:51,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 30 transitions, 208 flow [2021-03-24 22:37:51,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 199 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-24 22:37:51,471 INFO L241 Difference]: Finished difference. Result has 30 places, 20 transitions, 119 flow [2021-03-24 22:37:51,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=119, PETRI_PLACES=30, PETRI_TRANSITIONS=20} [2021-03-24 22:37:51,472 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 13 predicate places. [2021-03-24 22:37:51,472 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 20 transitions, 119 flow [2021-03-24 22:37:51,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:51,472 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:51,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:51,694 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:51,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:51,695 INFO L82 PathProgramCache]: Analyzing trace with hash 944191847, now seen corresponding path program 1 times [2021-03-24 22:37:51,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:51,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612750588] [2021-03-24 22:37:51,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:51,740 INFO L142 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-03-24 22:37:51,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:51,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:37:51,766 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 22:37:51,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:51,770 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 22:37:51,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612750588] [2021-03-24 22:37:51,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281511929] [2021-03-24 22:37:51,770 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) [2021-03-24 22:37:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:51,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-24 22:37:51,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:51,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:51,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:51,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:51,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:51,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:51,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:51,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:51,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:51,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:51,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:37:51,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:51,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:37:51,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:37:51,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:51,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:37:51,916 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:51,921 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:51,924 INFO L142 QuantifierPusher]: treesize reduction 42, result has 43.2 percent of original size [2021-03-24 22:37:51,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:51,963 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 22:37:51,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:51,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 5 [2021-03-24 22:37:51,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573712690] [2021-03-24 22:37:51,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 22:37:51,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:51,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 22:37:51,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 22:37:51,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 34 [2021-03-24 22:37:51,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 20 transitions, 119 flow. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:51,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:51,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 34 [2021-03-24 22:37:51,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:52,037 INFO L129 PetriNetUnfolder]: 59/135 cut-off events. [2021-03-24 22:37:52,037 INFO L130 PetriNetUnfolder]: For 191/193 co-relation queries the response was YES. [2021-03-24 22:37:52,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 135 events. 59/135 cut-off events. For 191/193 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 443 event pairs, 6 based on Foata normal form. 2/137 useless extension candidates. Maximal degree in co-relation 461. Up to 57 conditions per place. [2021-03-24 22:37:52,039 INFO L132 encePairwiseOnDemand]: 30/34 looper letters, 31 selfloop transitions, 11 changer transitions 0/46 dead transitions. [2021-03-24 22:37:52,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 46 transitions, 348 flow [2021-03-24 22:37:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 22:37:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 22:37:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 122 transitions. [2021-03-24 22:37:52,040 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5126050420168067 [2021-03-24 22:37:52,040 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 122 transitions. [2021-03-24 22:37:52,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 122 transitions. [2021-03-24 22:37:52,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:52,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 122 transitions. [2021-03-24 22:37:52,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,042 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,042 INFO L185 Difference]: Start difference. First operand has 30 places, 20 transitions, 119 flow. Second operand 7 states and 122 transitions. [2021-03-24 22:37:52,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 46 transitions, 348 flow [2021-03-24 22:37:52,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 46 transitions, 320 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-24 22:37:52,045 INFO L241 Difference]: Finished difference. Result has 35 places, 28 transitions, 201 flow [2021-03-24 22:37:52,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=201, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2021-03-24 22:37:52,045 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 18 predicate places. [2021-03-24 22:37:52,045 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 201 flow [2021-03-24 22:37:52,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,045 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:52,045 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:52,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:52,268 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:52,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:52,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1587180183, now seen corresponding path program 2 times [2021-03-24 22:37:52,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:52,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931462682] [2021-03-24 22:37:52,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:52,322 INFO L142 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-03-24 22:37:52,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:52,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:37:52,344 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 22:37:52,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:52,347 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 22:37:52,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931462682] [2021-03-24 22:37:52,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515979853] [2021-03-24 22:37:52,347 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 22:37:52,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:37:52,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:52,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-24 22:37:52,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:52,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:52,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:52,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:52,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:52,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:52,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:52,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:52,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:52,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:37:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:52,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:37:52,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:37:52,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:52,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:37:52,438 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:52,440 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:52,441 INFO L142 QuantifierPusher]: treesize reduction 42, result has 43.2 percent of original size [2021-03-24 22:37:52,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:52,468 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 22:37:52,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:52,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 5 [2021-03-24 22:37:52,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138291288] [2021-03-24 22:37:52,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 22:37:52,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:52,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 22:37:52,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 22:37:52,469 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 34 [2021-03-24 22:37:52,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 201 flow. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:52,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 34 [2021-03-24 22:37:52,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:52,593 INFO L129 PetriNetUnfolder]: 92/208 cut-off events. [2021-03-24 22:37:52,594 INFO L130 PetriNetUnfolder]: For 349/351 co-relation queries the response was YES. [2021-03-24 22:37:52,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 208 events. 92/208 cut-off events. For 349/351 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 820 event pairs, 24 based on Foata normal form. 2/210 useless extension candidates. Maximal degree in co-relation 741. Up to 124 conditions per place. [2021-03-24 22:37:52,596 INFO L132 encePairwiseOnDemand]: 30/34 looper letters, 39 selfloop transitions, 11 changer transitions 0/54 dead transitions. [2021-03-24 22:37:52,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 54 transitions, 449 flow [2021-03-24 22:37:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 22:37:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 22:37:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 122 transitions. [2021-03-24 22:37:52,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5126050420168067 [2021-03-24 22:37:52,597 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 122 transitions. [2021-03-24 22:37:52,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 122 transitions. [2021-03-24 22:37:52,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:52,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 122 transitions. [2021-03-24 22:37:52,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,599 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,599 INFO L185 Difference]: Start difference. First operand has 35 places, 28 transitions, 201 flow. Second operand 7 states and 122 transitions. [2021-03-24 22:37:52,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 54 transitions, 449 flow [2021-03-24 22:37:52,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 54 transitions, 430 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-24 22:37:52,602 INFO L241 Difference]: Finished difference. Result has 43 places, 36 transitions, 290 flow [2021-03-24 22:37:52,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=290, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2021-03-24 22:37:52,602 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 26 predicate places. [2021-03-24 22:37:52,602 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 290 flow [2021-03-24 22:37:52,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:52,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:52,603 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:52,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:52,824 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:52,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:52,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1935454601, now seen corresponding path program 3 times [2021-03-24 22:37:52,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:52,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534780144] [2021-03-24 22:37:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:52,870 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:52,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:52,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:52,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:37:52,898 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-03-24 22:37:52,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:52,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:52,909 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 22:37:52,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534780144] [2021-03-24 22:37:52,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453017069] [2021-03-24 22:37:52,909 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:37:52,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 22:37:52,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:52,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:37:52,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:52,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:52,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:52,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:52,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:52,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:52,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:52,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:52,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:52,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:52,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:52,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:53,007 INFO L142 QuantifierPusher]: treesize reduction 15, result has 63.4 percent of original size [2021-03-24 22:37:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:37:53,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:53,051 INFO L142 QuantifierPusher]: treesize reduction 22, result has 59.3 percent of original size [2021-03-24 22:37:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:53,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:37:53,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:53,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:53,077 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:37:53,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:53,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,083 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:37:53,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,086 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 22:37:53,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:53,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-24 22:37:53,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542132073] [2021-03-24 22:37:53,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 22:37:53,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:53,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 22:37:53,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 22:37:53,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:53,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 290 flow. Second operand has 11 states, 11 states have (on average 11.727272727272727) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:53,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:53,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:53,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:53,453 INFO L129 PetriNetUnfolder]: 119/269 cut-off events. [2021-03-24 22:37:53,453 INFO L130 PetriNetUnfolder]: For 546/548 co-relation queries the response was YES. [2021-03-24 22:37:53,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1063 conditions, 269 events. 119/269 cut-off events. For 546/548 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1177 event pairs, 16 based on Foata normal form. 19/288 useless extension candidates. Maximal degree in co-relation 992. Up to 114 conditions per place. [2021-03-24 22:37:53,456 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 48 selfloop transitions, 26 changer transitions 0/78 dead transitions. [2021-03-24 22:37:53,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 78 transitions, 726 flow [2021-03-24 22:37:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 22:37:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 22:37:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 172 transitions. [2021-03-24 22:37:53,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4215686274509804 [2021-03-24 22:37:53,457 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 172 transitions. [2021-03-24 22:37:53,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 172 transitions. [2021-03-24 22:37:53,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:53,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 172 transitions. [2021-03-24 22:37:53,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:53,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:37:53,459 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:37:53,459 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 290 flow. Second operand 12 states and 172 transitions. [2021-03-24 22:37:53,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 78 transitions, 726 flow [2021-03-24 22:37:53,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 78 transitions, 679 flow, removed 22 selfloop flow, removed 1 redundant places. [2021-03-24 22:37:53,464 INFO L241 Difference]: Finished difference. Result has 60 places, 46 transitions, 439 flow [2021-03-24 22:37:53,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=439, PETRI_PLACES=60, PETRI_TRANSITIONS=46} [2021-03-24 22:37:53,464 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 43 predicate places. [2021-03-24 22:37:53,464 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 46 transitions, 439 flow [2021-03-24 22:37:53,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 11.727272727272727) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:53,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:53,465 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:53,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-24 22:37:53,684 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:53,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:53,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1939984739, now seen corresponding path program 4 times [2021-03-24 22:37:53,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:53,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103076812] [2021-03-24 22:37:53,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:53,719 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:53,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:53,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:53,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:53,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,753 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 22:37:53,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103076812] [2021-03-24 22:37:53,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945023993] [2021-03-24 22:37:53,754 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 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 22:37:53,774 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 22:37:53,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:53,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-24 22:37:53,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:53,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:53,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:53,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:53,819 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-24 22:37:53,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:37:53,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:37:53,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:37:53,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,825 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:37:53,826 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:53,830 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,834 INFO L147 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size 19 [2021-03-24 22:37:53,835 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:37:53,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:37:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:37:53,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:37:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:37:53,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:37:53,850 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:37:53,850 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:53,851 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,855 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:37:53,857 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:37:53,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:53,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,862 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-24 22:37:53,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:53,865 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:37:53,866 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:53,870 INFO L147 QuantifierPusher]: treesize reduction 31, result has 22.5 percent of original size 9 [2021-03-24 22:37:53,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:53,871 INFO L142 QuantifierPusher]: treesize reduction 20, result has 28.6 percent of original size [2021-03-24 22:37:53,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:53,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:37:53,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-03-24 22:37:53,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,903 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:53,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,914 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:37:53,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 22:37:53,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,925 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:53,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 22:37:53,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,948 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:53,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,953 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-03-24 22:37:53,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:53,954 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 22:37:53,954 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:41, output treesize:8 [2021-03-24 22:37:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:53,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:53,956 INFO L142 QuantifierPusher]: treesize reduction 16, result has 5.9 percent of original size [2021-03-24 22:37:53,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:53,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:53,984 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 22:37:53,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:53,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-24 22:37:53,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303001549] [2021-03-24 22:37:53,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 22:37:53,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:53,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 22:37:53,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 22:37:53,985 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:53,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 46 transitions, 439 flow. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:53,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:53,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:53,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:54,180 INFO L129 PetriNetUnfolder]: 128/296 cut-off events. [2021-03-24 22:37:54,180 INFO L130 PetriNetUnfolder]: For 1365/1367 co-relation queries the response was YES. [2021-03-24 22:37:54,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1515 conditions, 296 events. 128/296 cut-off events. For 1365/1367 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1384 event pairs, 17 based on Foata normal form. 2/298 useless extension candidates. Maximal degree in co-relation 1424. Up to 147 conditions per place. [2021-03-24 22:37:54,183 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 51 selfloop transitions, 22 changer transitions 3/80 dead transitions. [2021-03-24 22:37:54,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 80 transitions, 886 flow [2021-03-24 22:37:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 22:37:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 22:37:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 137 transitions. [2021-03-24 22:37:54,185 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40294117647058825 [2021-03-24 22:37:54,185 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 137 transitions. [2021-03-24 22:37:54,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 137 transitions. [2021-03-24 22:37:54,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:54,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 137 transitions. [2021-03-24 22:37:54,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:54,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:54,186 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:54,186 INFO L185 Difference]: Start difference. First operand has 60 places, 46 transitions, 439 flow. Second operand 10 states and 137 transitions. [2021-03-24 22:37:54,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 80 transitions, 886 flow [2021-03-24 22:37:54,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 80 transitions, 868 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-24 22:37:54,195 INFO L241 Difference]: Finished difference. Result has 70 places, 58 transitions, 640 flow [2021-03-24 22:37:54,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=640, PETRI_PLACES=70, PETRI_TRANSITIONS=58} [2021-03-24 22:37:54,195 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 53 predicate places. [2021-03-24 22:37:54,195 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 58 transitions, 640 flow [2021-03-24 22:37:54,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:54,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:54,196 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:54,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:54,412 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:54,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1819000407, now seen corresponding path program 5 times [2021-03-24 22:37:54,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:54,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914662407] [2021-03-24 22:37:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:54,448 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:54,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:54,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:54,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:54,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:54,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,490 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 22:37:54,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914662407] [2021-03-24 22:37:54,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533669029] [2021-03-24 22:37:54,490 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 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 22:37:54,511 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-24 22:37:54,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:54,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:37:54,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:54,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:54,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:54,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:54,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:54,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:54,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:54,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:54,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:54,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:54,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:54,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:54,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:54,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:54,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:37:54,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:54,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:37:54,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 22:37:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,587 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:54,588 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:54,589 INFO L142 QuantifierPusher]: treesize reduction 45, result has 44.4 percent of original size [2021-03-24 22:37:54,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:54,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:54,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:54,613 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-24 22:37:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:54,637 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:37:54,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:54,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:54,644 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:37:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:54,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:54,649 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 22:37:54,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:54,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-24 22:37:54,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381570093] [2021-03-24 22:37:54,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 22:37:54,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:54,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 22:37:54,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-24 22:37:54,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:54,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 58 transitions, 640 flow. Second operand has 11 states, 11 states have (on average 11.727272727272727) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:54,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:54,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:54,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:55,076 INFO L129 PetriNetUnfolder]: 144/342 cut-off events. [2021-03-24 22:37:55,076 INFO L130 PetriNetUnfolder]: For 2367/2369 co-relation queries the response was YES. [2021-03-24 22:37:55,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2057 conditions, 342 events. 144/342 cut-off events. For 2367/2369 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1627 event pairs, 14 based on Foata normal form. 10/352 useless extension candidates. Maximal degree in co-relation 1951. Up to 138 conditions per place. [2021-03-24 22:37:55,096 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 62 selfloop transitions, 50 changer transitions 2/118 dead transitions. [2021-03-24 22:37:55,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 118 transitions, 1484 flow [2021-03-24 22:37:55,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 22:37:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 22:37:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 212 transitions. [2021-03-24 22:37:55,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41568627450980394 [2021-03-24 22:37:55,098 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 212 transitions. [2021-03-24 22:37:55,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 212 transitions. [2021-03-24 22:37:55,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:55,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 212 transitions. [2021-03-24 22:37:55,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 14.133333333333333) internal successors, (212), 15 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,101 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,101 INFO L185 Difference]: Start difference. First operand has 70 places, 58 transitions, 640 flow. Second operand 15 states and 212 transitions. [2021-03-24 22:37:55,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 118 transitions, 1484 flow [2021-03-24 22:37:55,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 118 transitions, 1405 flow, removed 36 selfloop flow, removed 2 redundant places. [2021-03-24 22:37:55,116 INFO L241 Difference]: Finished difference. Result has 89 places, 77 transitions, 955 flow [2021-03-24 22:37:55,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=955, PETRI_PLACES=89, PETRI_TRANSITIONS=77} [2021-03-24 22:37:55,117 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 72 predicate places. [2021-03-24 22:37:55,117 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 77 transitions, 955 flow [2021-03-24 22:37:55,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 11.727272727272727) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:55,118 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:55,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-24 22:37:55,332 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:55,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:55,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1249594105, now seen corresponding path program 6 times [2021-03-24 22:37:55,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:55,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532376219] [2021-03-24 22:37:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:55,359 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:55,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:55,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:55,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:55,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,390 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 22:37:55,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532376219] [2021-03-24 22:37:55,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554921341] [2021-03-24 22:37:55,390 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 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 22:37:55,406 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 22:37:55,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:55,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-24 22:37:55,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:55,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:55,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:55,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:55,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:55,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:55,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:55,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:55,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:55,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 22:37:55,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 22:37:55,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 22:37:55,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 22:37:55,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,468 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-24 22:37:55,469 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:55,470 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,473 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:55,474 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:37:55,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:37:55,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,477 INFO L142 QuantifierPusher]: treesize reduction 32, result has 31.9 percent of original size [2021-03-24 22:37:55,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:37:55,479 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:55,480 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:55,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 22:37:55,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,482 INFO L142 QuantifierPusher]: treesize reduction 23, result has 36.1 percent of original size [2021-03-24 22:37:55,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:55,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:37:55,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 22:37:55,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:55,510 INFO L628 ElimStorePlain]: treesize reduction 1, result has 95.2 percent of original size [2021-03-24 22:37:55,510 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:37:55,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-03-24 22:37:55,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,516 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:55,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,523 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-03-24 22:37:55,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:55,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 22:37:55,524 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:12 [2021-03-24 22:37:55,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:55,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:55,539 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 22:37:55,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:37:55,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:55,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:37:55,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:37:55,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,544 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2021-03-24 22:37:55,544 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:55,545 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:55,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:55,548 INFO L142 QuantifierPusher]: treesize reduction 16, result has 5.9 percent of original size [2021-03-24 22:37:55,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:55,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:55,556 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 22:37:55,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:55,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-03-24 22:37:55,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131746649] [2021-03-24 22:37:55,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 22:37:55,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:55,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 22:37:55,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 22:37:55,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:55,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 77 transitions, 955 flow. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:55,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:55,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:55,846 INFO L129 PetriNetUnfolder]: 217/543 cut-off events. [2021-03-24 22:37:55,846 INFO L130 PetriNetUnfolder]: For 5195/5197 co-relation queries the response was YES. [2021-03-24 22:37:55,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3699 conditions, 543 events. 217/543 cut-off events. For 5195/5197 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2969 event pairs, 19 based on Foata normal form. 11/554 useless extension candidates. Maximal degree in co-relation 3561. Up to 146 conditions per place. [2021-03-24 22:37:55,854 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 97 selfloop transitions, 88 changer transitions 3/192 dead transitions. [2021-03-24 22:37:55,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 192 transitions, 2796 flow [2021-03-24 22:37:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 22:37:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 22:37:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 209 transitions. [2021-03-24 22:37:55,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43907563025210083 [2021-03-24 22:37:55,856 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 209 transitions. [2021-03-24 22:37:55,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 209 transitions. [2021-03-24 22:37:55,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:55,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 209 transitions. [2021-03-24 22:37:55,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 14.928571428571429) internal successors, (209), 14 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,858 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,858 INFO L185 Difference]: Start difference. First operand has 89 places, 77 transitions, 955 flow. Second operand 14 states and 209 transitions. [2021-03-24 22:37:55,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 192 transitions, 2796 flow [2021-03-24 22:37:55,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 192 transitions, 2664 flow, removed 49 selfloop flow, removed 7 redundant places. [2021-03-24 22:37:55,883 INFO L241 Difference]: Finished difference. Result has 106 places, 147 transitions, 2217 flow [2021-03-24 22:37:55,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2217, PETRI_PLACES=106, PETRI_TRANSITIONS=147} [2021-03-24 22:37:55,884 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 89 predicate places. [2021-03-24 22:37:55,884 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 147 transitions, 2217 flow [2021-03-24 22:37:55,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:55,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:55,884 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:56,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-24 22:37:56,107 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:56,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:56,107 INFO L82 PathProgramCache]: Analyzing trace with hash 587931299, now seen corresponding path program 7 times [2021-03-24 22:37:56,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:56,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071641447] [2021-03-24 22:37:56,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:56,127 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:56,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:56,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:56,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,164 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 22:37:56,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071641447] [2021-03-24 22:37:56,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600486122] [2021-03-24 22:37:56,164 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 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 22:37:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:56,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-24 22:37:56,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:56,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:56,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:56,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:56,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:56,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:56,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:56,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:56,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:56,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:37:56,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:56,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 22:37:56,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 22:37:56,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:56,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 22:37:56,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 22:37:56,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,228 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-24 22:37:56,228 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:56,229 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,231 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:56,231 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:56,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:56,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:37:56,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:37:56,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:56,235 INFO L142 QuantifierPusher]: treesize reduction 32, result has 34.7 percent of original size [2021-03-24 22:37:56,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:56,236 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:56,237 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:56,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:56,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:56,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 22:37:56,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:56,239 INFO L142 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size [2021-03-24 22:37:56,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 22:37:56,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 22:37:56,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:56,269 INFO L628 ElimStorePlain]: treesize reduction 1, result has 95.2 percent of original size [2021-03-24 22:37:56,270 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:37:56,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-03-24 22:37:56,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,275 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:56,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,283 INFO L518 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2021-03-24 22:37:56,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:56,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 22:37:56,284 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:12 [2021-03-24 22:37:56,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:56,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:56,298 INFO L142 QuantifierPusher]: treesize reduction 7, result has 66.7 percent of original size [2021-03-24 22:37:56,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 22:37:56,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:56,311 INFO L142 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size [2021-03-24 22:37:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,316 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 22:37:56,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:56,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-03-24 22:37:56,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80036533] [2021-03-24 22:37:56,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 22:37:56,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:56,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 22:37:56,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 22:37:56,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:56,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 147 transitions, 2217 flow. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:56,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:56,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:56,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:56,603 INFO L129 PetriNetUnfolder]: 215/553 cut-off events. [2021-03-24 22:37:56,603 INFO L130 PetriNetUnfolder]: For 9533/9535 co-relation queries the response was YES. [2021-03-24 22:37:56,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4565 conditions, 553 events. 215/553 cut-off events. For 9533/9535 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2991 event pairs, 7 based on Foata normal form. 23/576 useless extension candidates. Maximal degree in co-relation 4411. Up to 193 conditions per place. [2021-03-24 22:37:56,612 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 94 selfloop transitions, 98 changer transitions 1/197 dead transitions. [2021-03-24 22:37:56,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 197 transitions, 3320 flow [2021-03-24 22:37:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 22:37:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 22:37:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 174 transitions. [2021-03-24 22:37:56,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4264705882352941 [2021-03-24 22:37:56,613 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 174 transitions. [2021-03-24 22:37:56,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 174 transitions. [2021-03-24 22:37:56,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:56,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 174 transitions. [2021-03-24 22:37:56,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 14.5) internal successors, (174), 12 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:56,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:37:56,616 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:37:56,616 INFO L185 Difference]: Start difference. First operand has 106 places, 147 transitions, 2217 flow. Second operand 12 states and 174 transitions. [2021-03-24 22:37:56,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 197 transitions, 3320 flow [2021-03-24 22:37:56,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 197 transitions, 3104 flow, removed 101 selfloop flow, removed 4 redundant places. [2021-03-24 22:37:56,659 INFO L241 Difference]: Finished difference. Result has 120 places, 152 transitions, 2473 flow [2021-03-24 22:37:56,659 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1827, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2473, PETRI_PLACES=120, PETRI_TRANSITIONS=152} [2021-03-24 22:37:56,659 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 103 predicate places. [2021-03-24 22:37:56,659 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 152 transitions, 2473 flow [2021-03-24 22:37:56,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:56,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:56,660 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:56,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:56,882 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:56,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:56,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1958418765, now seen corresponding path program 8 times [2021-03-24 22:37:56,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:56,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439362054] [2021-03-24 22:37:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:56,902 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:56,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:56,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:56,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:56,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:56,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:56,935 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 22:37:56,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439362054] [2021-03-24 22:37:56,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581902126] [2021-03-24 22:37:56,935 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 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 22:37:56,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:37:56,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:56,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:37:56,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:56,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:56,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:56,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:56,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:56,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:37:57,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:37:57,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:57,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:37:57,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 22:37:57,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,018 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:57,019 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:57,020 INFO L142 QuantifierPusher]: treesize reduction 45, result has 44.4 percent of original size [2021-03-24 22:37:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:57,052 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-24 22:37:57,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:37:57,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:57,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:37:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,057 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2021-03-24 22:37:57,057 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:57,058 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:57,079 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-24 22:37:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:57,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:57,084 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:37:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,097 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 22:37:57,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:57,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 22:37:57,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828640742] [2021-03-24 22:37:57,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 22:37:57,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:57,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 22:37:57,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-24 22:37:57,099 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:57,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 152 transitions, 2473 flow. Second operand has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:57,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:57,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:57,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:57,484 INFO L129 PetriNetUnfolder]: 215/550 cut-off events. [2021-03-24 22:37:57,484 INFO L130 PetriNetUnfolder]: For 10873/10875 co-relation queries the response was YES. [2021-03-24 22:37:57,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4864 conditions, 550 events. 215/550 cut-off events. For 10873/10875 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2930 event pairs, 15 based on Foata normal form. 3/553 useless extension candidates. Maximal degree in co-relation 4685. Up to 278 conditions per place. [2021-03-24 22:37:57,492 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 127 selfloop transitions, 53 changer transitions 7/191 dead transitions. [2021-03-24 22:37:57,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 191 transitions, 3428 flow [2021-03-24 22:37:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 22:37:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 22:37:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 166 transitions. [2021-03-24 22:37:57,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4068627450980392 [2021-03-24 22:37:57,494 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 166 transitions. [2021-03-24 22:37:57,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 166 transitions. [2021-03-24 22:37:57,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:57,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 166 transitions. [2021-03-24 22:37:57,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.833333333333334) internal successors, (166), 12 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:57,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:37:57,497 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:37:57,498 INFO L185 Difference]: Start difference. First operand has 120 places, 152 transitions, 2473 flow. Second operand 12 states and 166 transitions. [2021-03-24 22:37:57,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 191 transitions, 3428 flow [2021-03-24 22:37:57,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 191 transitions, 3333 flow, removed 23 selfloop flow, removed 5 redundant places. [2021-03-24 22:37:57,546 INFO L241 Difference]: Finished difference. Result has 130 places, 158 transitions, 2689 flow [2021-03-24 22:37:57,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2350, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2689, PETRI_PLACES=130, PETRI_TRANSITIONS=158} [2021-03-24 22:37:57,547 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 113 predicate places. [2021-03-24 22:37:57,547 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 158 transitions, 2689 flow [2021-03-24 22:37:57,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:57,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:57,548 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:57,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-24 22:37:57,764 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:57,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:57,764 INFO L82 PathProgramCache]: Analyzing trace with hash -103120099, now seen corresponding path program 9 times [2021-03-24 22:37:57,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:57,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236885180] [2021-03-24 22:37:57,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:57,779 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:57,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:57,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:57,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:37:57,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:37:57,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,817 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 22:37:57,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236885180] [2021-03-24 22:37:57,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649863904] [2021-03-24 22:37:57,817 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 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 22:37:57,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-24 22:37:57,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:57,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:37:57,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:57,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:57,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:57,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:57,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:57,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:57,884 INFO L142 QuantifierPusher]: treesize reduction 15, result has 63.4 percent of original size [2021-03-24 22:37:57,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:37:57,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:37:57,905 INFO L142 QuantifierPusher]: treesize reduction 22, result has 59.3 percent of original size [2021-03-24 22:37:57,906 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-03-24 22:37:57,907 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-24 22:37:57,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:57,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:37:57,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:37:57,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:57,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:37:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:37:57,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 22:37:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:57,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,921 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:37:57,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:57,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 22:37:57,922 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:12 [2021-03-24 22:37:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:37:57,935 INFO L142 QuantifierPusher]: treesize reduction 21, result has 4.5 percent of original size [2021-03-24 22:37:57,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:57,940 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 22:37:57,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:57,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 22:37:57,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937127351] [2021-03-24 22:37:57,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 22:37:57,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:57,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 22:37:57,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-24 22:37:57,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:57,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 158 transitions, 2689 flow. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:57,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:57,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:57,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:58,335 INFO L129 PetriNetUnfolder]: 239/595 cut-off events. [2021-03-24 22:37:58,335 INFO L130 PetriNetUnfolder]: For 13606/13608 co-relation queries the response was YES. [2021-03-24 22:37:58,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5536 conditions, 595 events. 239/595 cut-off events. For 13606/13608 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3231 event pairs, 11 based on Foata normal form. 19/614 useless extension candidates. Maximal degree in co-relation 5353. Up to 319 conditions per place. [2021-03-24 22:37:58,344 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 148 selfloop transitions, 76 changer transitions 1/229 dead transitions. [2021-03-24 22:37:58,344 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 229 transitions, 4495 flow [2021-03-24 22:37:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 22:37:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 22:37:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 172 transitions. [2021-03-24 22:37:58,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4215686274509804 [2021-03-24 22:37:58,346 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 172 transitions. [2021-03-24 22:37:58,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 172 transitions. [2021-03-24 22:37:58,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:58,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 172 transitions. [2021-03-24 22:37:58,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:58,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:37:58,348 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:37:58,348 INFO L185 Difference]: Start difference. First operand has 130 places, 158 transitions, 2689 flow. Second operand 12 states and 172 transitions. [2021-03-24 22:37:58,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 229 transitions, 4495 flow [2021-03-24 22:37:58,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 229 transitions, 4360 flow, removed 46 selfloop flow, removed 5 redundant places. [2021-03-24 22:37:58,399 INFO L241 Difference]: Finished difference. Result has 141 places, 175 transitions, 3191 flow [2021-03-24 22:37:58,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2606, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3191, PETRI_PLACES=141, PETRI_TRANSITIONS=175} [2021-03-24 22:37:58,399 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 124 predicate places. [2021-03-24 22:37:58,400 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 175 transitions, 3191 flow [2021-03-24 22:37:58,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:58,400 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:58,400 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:58,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:58,622 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:58,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:58,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1187287675, now seen corresponding path program 10 times [2021-03-24 22:37:58,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:58,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37276283] [2021-03-24 22:37:58,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:58,656 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:58,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:58,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:58,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:58,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:58,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,685 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 22:37:58,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37276283] [2021-03-24 22:37:58,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262683595] [2021-03-24 22:37:58,685 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:37:58,714 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 22:37:58,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:58,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-24 22:37:58,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:58,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:37:58,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:58,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:58,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:58,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:58,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:58,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:58,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:58,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:58,758 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-24 22:37:58,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:37:58,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:37:58,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:37:58,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,762 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:37:58,762 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:58,763 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,765 INFO L147 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size 19 [2021-03-24 22:37:58,765 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:37:58,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:58,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:37:58,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:37:58,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:37:58,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:37:58,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:37:58,774 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:37:58,774 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:58,775 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,776 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:37:58,777 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:37:58,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:58,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,782 INFO L142 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-03-24 22:37:58,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:58,783 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:37:58,784 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:58,785 INFO L147 QuantifierPusher]: treesize reduction 31, result has 22.5 percent of original size 9 [2021-03-24 22:37:58,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:58,786 INFO L142 QuantifierPusher]: treesize reduction 20, result has 28.6 percent of original size [2021-03-24 22:37:58,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:58,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:37:58,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 22:37:58,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,800 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:58,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 22:37:58,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,805 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:58,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-03-24 22:37:58,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,815 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 22:37:58,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,818 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:37:58,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-03-24 22:37:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:58,819 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 22:37:58,819 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:41, output treesize:8 [2021-03-24 22:37:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:58,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:58,821 INFO L142 QuantifierPusher]: treesize reduction 16, result has 5.9 percent of original size [2021-03-24 22:37:58,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:58,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:58,827 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 22:37:58,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:58,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 7 [2021-03-24 22:37:58,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242945581] [2021-03-24 22:37:58,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 22:37:58,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:58,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 22:37:58,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-24 22:37:58,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:58,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 175 transitions, 3191 flow. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:58,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:58,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:58,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:37:59,299 INFO L129 PetriNetUnfolder]: 251/634 cut-off events. [2021-03-24 22:37:59,299 INFO L130 PetriNetUnfolder]: For 15959/15961 co-relation queries the response was YES. [2021-03-24 22:37:59,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6275 conditions, 634 events. 251/634 cut-off events. For 15959/15961 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3530 event pairs, 13 based on Foata normal form. 3/637 useless extension candidates. Maximal degree in co-relation 6080. Up to 294 conditions per place. [2021-03-24 22:37:59,310 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 157 selfloop transitions, 67 changer transitions 13/241 dead transitions. [2021-03-24 22:37:59,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 241 transitions, 5051 flow [2021-03-24 22:37:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 22:37:59,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 22:37:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 229 transitions. [2021-03-24 22:37:59,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3961937716262976 [2021-03-24 22:37:59,313 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 229 transitions. [2021-03-24 22:37:59,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 229 transitions. [2021-03-24 22:37:59,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:37:59,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 229 transitions. [2021-03-24 22:37:59,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 13.470588235294118) internal successors, (229), 17 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:59,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:59,316 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:59,316 INFO L185 Difference]: Start difference. First operand has 141 places, 175 transitions, 3191 flow. Second operand 17 states and 229 transitions. [2021-03-24 22:37:59,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 241 transitions, 5051 flow [2021-03-24 22:37:59,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 241 transitions, 4904 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-03-24 22:37:59,385 INFO L241 Difference]: Finished difference. Result has 159 places, 200 transitions, 3918 flow [2021-03-24 22:37:59,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3075, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3918, PETRI_PLACES=159, PETRI_TRANSITIONS=200} [2021-03-24 22:37:59,386 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 142 predicate places. [2021-03-24 22:37:59,386 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 200 transitions, 3918 flow [2021-03-24 22:37:59,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:37:59,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:37:59,386 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:37:59,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:37:59,608 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:37:59,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:37:59,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1591846033, now seen corresponding path program 11 times [2021-03-24 22:37:59,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:37:59,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794864198] [2021-03-24 22:37:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:37:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:37:59,637 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:37:59,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:37:59,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:59,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:59,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:37:59,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,669 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 22:37:59,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794864198] [2021-03-24 22:37:59,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830886133] [2021-03-24 22:37:59,669 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 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 22:37:59,696 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:37:59,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:37:59,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:37:59,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:37:59,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:59,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:59,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:59,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:59,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:59,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:59,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:59,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:37:59,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:37:59,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:59,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:59,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:59,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:37:59,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:37:59,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:59,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:37:59,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 22:37:59,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,770 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:59,772 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:59,773 INFO L142 QuantifierPusher]: treesize reduction 45, result has 44.4 percent of original size [2021-03-24 22:37:59,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:59,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:59,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:59,794 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-24 22:37:59,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:37:59,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:59,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:37:59,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:37:59,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,797 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2021-03-24 22:37:59,797 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:37:59,798 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:59,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:37:59,814 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-24 22:37:59,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:37:59,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:37:59,817 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:37:59,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:37:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:37:59,824 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 22:37:59,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:37:59,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-24 22:37:59,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263267068] [2021-03-24 22:37:59,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 22:37:59,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:37:59,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 22:37:59,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-24 22:37:59,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:37:59,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 200 transitions, 3918 flow. Second operand has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 11 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 22:37:59,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:37:59,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:37:59,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:00,318 INFO L129 PetriNetUnfolder]: 280/726 cut-off events. [2021-03-24 22:38:00,318 INFO L130 PetriNetUnfolder]: For 19816/19818 co-relation queries the response was YES. [2021-03-24 22:38:00,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7414 conditions, 726 events. 280/726 cut-off events. For 19816/19818 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4325 event pairs, 32 based on Foata normal form. 6/732 useless extension candidates. Maximal degree in co-relation 7228. Up to 373 conditions per place. [2021-03-24 22:38:00,332 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 187 selfloop transitions, 88 changer transitions 2/281 dead transitions. [2021-03-24 22:38:00,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 281 transitions, 6373 flow [2021-03-24 22:38:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 22:38:00,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 22:38:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 221 transitions. [2021-03-24 22:38:00,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-03-24 22:38:00,334 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 221 transitions. [2021-03-24 22:38:00,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 221 transitions. [2021-03-24 22:38:00,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:00,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 221 transitions. [2021-03-24 22:38:00,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 13.8125) internal successors, (221), 16 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 22:38:00,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:00,337 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:00,337 INFO L185 Difference]: Start difference. First operand has 159 places, 200 transitions, 3918 flow. Second operand 16 states and 221 transitions. [2021-03-24 22:38:00,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 281 transitions, 6373 flow [2021-03-24 22:38:00,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 281 transitions, 5701 flow, removed 318 selfloop flow, removed 4 redundant places. [2021-03-24 22:38:00,433 INFO L241 Difference]: Finished difference. Result has 178 places, 243 transitions, 4862 flow [2021-03-24 22:38:00,434 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3577, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4862, PETRI_PLACES=178, PETRI_TRANSITIONS=243} [2021-03-24 22:38:00,434 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 161 predicate places. [2021-03-24 22:38:00,434 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 243 transitions, 4862 flow [2021-03-24 22:38:00,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 11 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 22:38:00,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:00,434 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:00,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-03-24 22:38:00,652 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:00,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:00,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1731264391, now seen corresponding path program 12 times [2021-03-24 22:38:00,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:00,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662007916] [2021-03-24 22:38:00,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:00,665 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:38:00,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:00,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:00,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:00,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:00,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,715 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 22:38:00,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662007916] [2021-03-24 22:38:00,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666885254] [2021-03-24 22:38:00,715 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 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 22:38:00,731 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-24 22:38:00,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:00,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:38:00,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:00,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:00,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:00,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:00,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:38:00,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:00,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:38:00,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 22:38:00,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,781 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:00,782 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:00,783 INFO L142 QuantifierPusher]: treesize reduction 45, result has 44.4 percent of original size [2021-03-24 22:38:00,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:00,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:00,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:00,804 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-24 22:38:00,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:00,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:00,823 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:38:00,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:00,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:00,832 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:00,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:00,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:00,837 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 22:38:00,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:00,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 22:38:00,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605310452] [2021-03-24 22:38:00,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 22:38:00,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 22:38:00,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-24 22:38:00,839 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:00,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 243 transitions, 4862 flow. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:00,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:00,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:00,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:01,235 INFO L129 PetriNetUnfolder]: 287/732 cut-off events. [2021-03-24 22:38:01,235 INFO L130 PetriNetUnfolder]: For 20217/20219 co-relation queries the response was YES. [2021-03-24 22:38:01,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7604 conditions, 732 events. 287/732 cut-off events. For 20217/20219 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4336 event pairs, 11 based on Foata normal form. 16/748 useless extension candidates. Maximal degree in co-relation 7508. Up to 334 conditions per place. [2021-03-24 22:38:01,248 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 191 selfloop transitions, 116 changer transitions 5/316 dead transitions. [2021-03-24 22:38:01,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 316 transitions, 6965 flow [2021-03-24 22:38:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 22:38:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 22:38:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 200 transitions. [2021-03-24 22:38:01,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42016806722689076 [2021-03-24 22:38:01,250 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 200 transitions. [2021-03-24 22:38:01,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 200 transitions. [2021-03-24 22:38:01,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:01,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 200 transitions. [2021-03-24 22:38:01,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 14.285714285714286) internal successors, (200), 14 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 22:38:01,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:01,251 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:01,251 INFO L185 Difference]: Start difference. First operand has 178 places, 243 transitions, 4862 flow. Second operand 14 states and 200 transitions. [2021-03-24 22:38:01,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 316 transitions, 6965 flow [2021-03-24 22:38:01,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 316 transitions, 6712 flow, removed 111 selfloop flow, removed 5 redundant places. [2021-03-24 22:38:01,355 INFO L241 Difference]: Finished difference. Result has 190 places, 251 transitions, 5314 flow [2021-03-24 22:38:01,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4476, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5314, PETRI_PLACES=190, PETRI_TRANSITIONS=251} [2021-03-24 22:38:01,356 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 173 predicate places. [2021-03-24 22:38:01,356 INFO L480 AbstractCegarLoop]: Abstraction has has 190 places, 251 transitions, 5314 flow [2021-03-24 22:38:01,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:01,356 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:01,356 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:01,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:01,580 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:01,580 INFO L82 PathProgramCache]: Analyzing trace with hash -157664929, now seen corresponding path program 13 times [2021-03-24 22:38:01,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:01,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547561500] [2021-03-24 22:38:01,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:01,597 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:38:01,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:01,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:01,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:01,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:01,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:01,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547561500] [2021-03-24 22:38:01,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491951818] [2021-03-24 22:38:01,624 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 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 22:38:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:01,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-24 22:38:01,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:01,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:01,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:01,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:01,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:01,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:01,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:01,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:01,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 22:38:01,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:01,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 22:38:01,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:38:01,689 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-24 22:38:01,689 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:01,691 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,691 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:01,692 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:01,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 22:38:01,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,694 INFO L142 QuantifierPusher]: treesize reduction 23, result has 36.1 percent of original size [2021-03-24 22:38:01,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:01,695 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:01,696 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:38:01,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:01,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:01,698 INFO L142 QuantifierPusher]: treesize reduction 32, result has 31.9 percent of original size [2021-03-24 22:38:01,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:01,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:01,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-03-24 22:38:01,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,703 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:38:01,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 22:38:01,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,717 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:38:01,730 INFO L628 ElimStorePlain]: treesize reduction 1, result has 92.3 percent of original size [2021-03-24 22:38:01,731 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:38:01,731 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-03-24 22:38:01,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:01,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 22:38:01,731 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:12 [2021-03-24 22:38:01,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:01,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:01,751 INFO L142 QuantifierPusher]: treesize reduction 7, result has 66.7 percent of original size [2021-03-24 22:38:01,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 22:38:01,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:01,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:01,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:01,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:01,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:01,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:01,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:01,762 INFO L142 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size [2021-03-24 22:38:01,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:01,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:01,771 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 22:38:01,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:01,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-03-24 22:38:01,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125915447] [2021-03-24 22:38:01,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 22:38:01,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:01,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 22:38:01,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-24 22:38:01,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:01,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 251 transitions, 5314 flow. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:01,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:01,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:01,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:02,139 INFO L129 PetriNetUnfolder]: 281/729 cut-off events. [2021-03-24 22:38:02,139 INFO L130 PetriNetUnfolder]: For 21135/21137 co-relation queries the response was YES. [2021-03-24 22:38:02,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7921 conditions, 729 events. 281/729 cut-off events. For 21135/21137 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4319 event pairs, 3 based on Foata normal form. 8/737 useless extension candidates. Maximal degree in co-relation 7781. Up to 323 conditions per place. [2021-03-24 22:38:02,150 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 170 selfloop transitions, 141 changer transitions 4/319 dead transitions. [2021-03-24 22:38:02,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 319 transitions, 7565 flow [2021-03-24 22:38:02,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 22:38:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 22:38:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 165 transitions. [2021-03-24 22:38:02,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40441176470588236 [2021-03-24 22:38:02,151 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 165 transitions. [2021-03-24 22:38:02,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 165 transitions. [2021-03-24 22:38:02,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:02,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 165 transitions. [2021-03-24 22:38:02,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:02,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:38:02,153 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:38:02,153 INFO L185 Difference]: Start difference. First operand has 190 places, 251 transitions, 5314 flow. Second operand 12 states and 165 transitions. [2021-03-24 22:38:02,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 319 transitions, 7565 flow [2021-03-24 22:38:02,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 319 transitions, 7315 flow, removed 111 selfloop flow, removed 6 redundant places. [2021-03-24 22:38:02,257 INFO L241 Difference]: Finished difference. Result has 194 places, 267 transitions, 5873 flow [2021-03-24 22:38:02,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4901, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5873, PETRI_PLACES=194, PETRI_TRANSITIONS=267} [2021-03-24 22:38:02,257 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 177 predicate places. [2021-03-24 22:38:02,257 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 267 transitions, 5873 flow [2021-03-24 22:38:02,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:02,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:02,258 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:02,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:02,458 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:02,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:02,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1112267435, now seen corresponding path program 14 times [2021-03-24 22:38:02,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:02,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901976317] [2021-03-24 22:38:02,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:02,473 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:38:02,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:02,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:02,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:02,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:02,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,517 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 22:38:02,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901976317] [2021-03-24 22:38:02,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927100287] [2021-03-24 22:38:02,517 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:02,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:38:02,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:02,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:38:02,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:02,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:02,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:02,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:02,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:02,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:02,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:02,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:02,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:02,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:02,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:38:02,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:02,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:38:02,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 22:38:02,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,592 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:02,593 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:02,594 INFO L142 QuantifierPusher]: treesize reduction 43, result has 45.6 percent of original size [2021-03-24 22:38:02,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:02,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:02,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:02,614 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-24 22:38:02,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:02,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:02,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:02,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:02,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,617 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2021-03-24 22:38:02,617 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:02,619 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:02,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:02,635 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-24 22:38:02,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:02,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:02,639 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:02,646 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 22:38:02,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:02,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-24 22:38:02,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146429682] [2021-03-24 22:38:02,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 22:38:02,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:02,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 22:38:02,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-24 22:38:02,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:02,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 267 transitions, 5873 flow. Second operand has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 11 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 22:38:02,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:02,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:02,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:03,030 INFO L129 PetriNetUnfolder]: 286/735 cut-off events. [2021-03-24 22:38:03,030 INFO L130 PetriNetUnfolder]: For 21931/21933 co-relation queries the response was YES. [2021-03-24 22:38:03,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8365 conditions, 735 events. 286/735 cut-off events. For 21931/21933 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4293 event pairs, 18 based on Foata normal form. 2/737 useless extension candidates. Maximal degree in co-relation 8213. Up to 403 conditions per place. [2021-03-24 22:38:03,041 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 195 selfloop transitions, 97 changer transitions 2/298 dead transitions. [2021-03-24 22:38:03,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 298 transitions, 7110 flow [2021-03-24 22:38:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 22:38:03,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 22:38:03,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 162 transitions. [2021-03-24 22:38:03,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39705882352941174 [2021-03-24 22:38:03,042 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 162 transitions. [2021-03-24 22:38:03,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 162 transitions. [2021-03-24 22:38:03,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:03,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 162 transitions. [2021-03-24 22:38:03,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.5) internal successors, (162), 12 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 22:38:03,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:38:03,044 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 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 22:38:03,044 INFO L185 Difference]: Start difference. First operand has 194 places, 267 transitions, 5873 flow. Second operand 12 states and 162 transitions. [2021-03-24 22:38:03,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 298 transitions, 7110 flow [2021-03-24 22:38:03,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 298 transitions, 6819 flow, removed 48 selfloop flow, removed 6 redundant places. [2021-03-24 22:38:03,164 INFO L241 Difference]: Finished difference. Result has 202 places, 279 transitions, 6151 flow [2021-03-24 22:38:03,165 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5529, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=6151, PETRI_PLACES=202, PETRI_TRANSITIONS=279} [2021-03-24 22:38:03,165 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 185 predicate places. [2021-03-24 22:38:03,165 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 279 transitions, 6151 flow [2021-03-24 22:38:03,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 11 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 22:38:03,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:03,165 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:03,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:03,384 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:03,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:03,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2108743111, now seen corresponding path program 15 times [2021-03-24 22:38:03,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:03,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665077399] [2021-03-24 22:38:03,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:03,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,438 INFO L142 QuantifierPusher]: treesize reduction 42, result has 30.0 percent of original size [2021-03-24 22:38:03,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:03,455 INFO L142 QuantifierPusher]: treesize reduction 41, result has 29.3 percent of original size [2021-03-24 22:38:03,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:03,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:38:03,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:03,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:03,524 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 22:38:03,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 22:38:03,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665077399] [2021-03-24 22:38:03,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328722422] [2021-03-24 22:38:03,527 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 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 22:38:03,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 22:38:03,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:03,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:38:03,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:03,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:03,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:03,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:03,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:03,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:03,616 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:38:03,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:03,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:03,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:03,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:03,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:38:03,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:03,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:03,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:03,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:03,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:03,665 INFO L142 QuantifierPusher]: treesize reduction 22, result has 71.8 percent of original size [2021-03-24 22:38:03,667 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size 41 [2021-03-24 22:38:03,668 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-03-24 22:38:03,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:03,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:03,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:03,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:03,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:03,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:03,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:03,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:03,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:03,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:03,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:03,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:03,733 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:03,733 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:03,734 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-24 22:38:03,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:03,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:03,769 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:03,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:03,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-03-24 22:38:03,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642627597] [2021-03-24 22:38:03,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-24 22:38:03,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:03,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-24 22:38:03,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-03-24 22:38:03,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:03,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 279 transitions, 6151 flow. Second operand has 15 states, 15 states have (on average 11.6) internal successors, (174), 15 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:03,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:03,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:03,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:04,165 INFO L129 PetriNetUnfolder]: 381/975 cut-off events. [2021-03-24 22:38:04,165 INFO L130 PetriNetUnfolder]: For 31296/31298 co-relation queries the response was YES. [2021-03-24 22:38:04,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11167 conditions, 975 events. 381/975 cut-off events. For 31296/31298 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6254 event pairs, 5 based on Foata normal form. 2/977 useless extension candidates. Maximal degree in co-relation 11027. Up to 483 conditions per place. [2021-03-24 22:38:04,177 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 302 selfloop transitions, 135 changer transitions 5/446 dead transitions. [2021-03-24 22:38:04,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 446 transitions, 11021 flow [2021-03-24 22:38:04,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 22:38:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 22:38:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 222 transitions. [2021-03-24 22:38:04,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43529411764705883 [2021-03-24 22:38:04,178 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 222 transitions. [2021-03-24 22:38:04,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 222 transitions. [2021-03-24 22:38:04,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:04,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 222 transitions. [2021-03-24 22:38:04,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 14.8) internal successors, (222), 15 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 22:38:04,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:04,180 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:04,180 INFO L185 Difference]: Start difference. First operand has 202 places, 279 transitions, 6151 flow. Second operand 15 states and 222 transitions. [2021-03-24 22:38:04,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 446 transitions, 11021 flow [2021-03-24 22:38:04,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 446 transitions, 10986 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-24 22:38:04,306 INFO L241 Difference]: Finished difference. Result has 216 places, 350 transitions, 8235 flow [2021-03-24 22:38:04,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6116, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=8235, PETRI_PLACES=216, PETRI_TRANSITIONS=350} [2021-03-24 22:38:04,306 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 199 predicate places. [2021-03-24 22:38:04,307 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 350 transitions, 8235 flow [2021-03-24 22:38:04,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.6) internal successors, (174), 15 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:04,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:04,307 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:04,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-03-24 22:38:04,529 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:04,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:04,529 INFO L82 PathProgramCache]: Analyzing trace with hash -77939061, now seen corresponding path program 16 times [2021-03-24 22:38:04,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:04,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642179390] [2021-03-24 22:38:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:04,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,566 INFO L142 QuantifierPusher]: treesize reduction 42, result has 30.0 percent of original size [2021-03-24 22:38:04,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:04,578 INFO L142 QuantifierPusher]: treesize reduction 32, result has 54.3 percent of original size [2021-03-24 22:38:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:04,600 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-24 22:38:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:04,612 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size [2021-03-24 22:38:04,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:04,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:38:04,676 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-03-24 22:38:04,677 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-03-24 22:38:04,718 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-24 22:38:04,718 INFO L147 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size 28 [2021-03-24 22:38:04,760 INFO L142 QuantifierPusher]: treesize reduction 30, result has 23.1 percent of original size [2021-03-24 22:38:04,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:04,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642179390] [2021-03-24 22:38:04,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072903664] [2021-03-24 22:38:04,763 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 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 22:38:04,786 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 22:38:04,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:04,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:38:04,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:04,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:04,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:04,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:04,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:04,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:04,844 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-24 22:38:04,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:04,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:04,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:04,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:04,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,863 INFO L147 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size 16 [2021-03-24 22:38:04,864 INFO L142 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size [2021-03-24 22:38:04,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:04,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:04,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:04,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:04,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:04,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:04,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:04,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:04,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:04,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:04,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:04,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:04,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:04,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:04,934 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:04,935 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:04,936 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-24 22:38:04,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:04,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:04,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:04,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2021-03-24 22:38:04,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879463845] [2021-03-24 22:38:04,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-24 22:38:04,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:04,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-24 22:38:04,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-03-24 22:38:04,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:04,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 350 transitions, 8235 flow. Second operand has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 17 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:04,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:04,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:04,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:05,971 INFO L129 PetriNetUnfolder]: 466/1186 cut-off events. [2021-03-24 22:38:05,972 INFO L130 PetriNetUnfolder]: For 44434/44436 co-relation queries the response was YES. [2021-03-24 22:38:05,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14518 conditions, 1186 events. 466/1186 cut-off events. For 44434/44436 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 8065 event pairs, 26 based on Foata normal form. 4/1190 useless extension candidates. Maximal degree in co-relation 14146. Up to 879 conditions per place. [2021-03-24 22:38:05,986 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 366 selfloop transitions, 153 changer transitions 3/526 dead transitions. [2021-03-24 22:38:05,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 526 transitions, 13753 flow [2021-03-24 22:38:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-24 22:38:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-24 22:38:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 353 transitions. [2021-03-24 22:38:05,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3993212669683258 [2021-03-24 22:38:05,988 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 353 transitions. [2021-03-24 22:38:05,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 353 transitions. [2021-03-24 22:38:05,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:05,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 353 transitions. [2021-03-24 22:38:05,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.576923076923077) internal successors, (353), 26 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:05,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 34.0) internal successors, (918), 27 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:05,991 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 34.0) internal successors, (918), 27 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:05,991 INFO L185 Difference]: Start difference. First operand has 216 places, 350 transitions, 8235 flow. Second operand 26 states and 353 transitions. [2021-03-24 22:38:05,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 526 transitions, 13753 flow [2021-03-24 22:38:06,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 526 transitions, 13503 flow, removed 116 selfloop flow, removed 3 redundant places. [2021-03-24 22:38:06,287 INFO L241 Difference]: Finished difference. Result has 254 places, 470 transitions, 11728 flow [2021-03-24 22:38:06,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=8007, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=11728, PETRI_PLACES=254, PETRI_TRANSITIONS=470} [2021-03-24 22:38:06,287 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 237 predicate places. [2021-03-24 22:38:06,287 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 470 transitions, 11728 flow [2021-03-24 22:38:06,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 17 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:06,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:06,288 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:06,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-24 22:38:06,489 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:06,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:06,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1713488719, now seen corresponding path program 17 times [2021-03-24 22:38:06,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:06,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228943526] [2021-03-24 22:38:06,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:06,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,516 INFO L142 QuantifierPusher]: treesize reduction 42, result has 30.0 percent of original size [2021-03-24 22:38:06,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:06,528 INFO L142 QuantifierPusher]: treesize reduction 7, result has 46.2 percent of original size [2021-03-24 22:38:06,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:06,537 INFO L142 QuantifierPusher]: treesize reduction 7, result has 41.7 percent of original size [2021-03-24 22:38:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:38:06,545 INFO L142 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-03-24 22:38:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:06,567 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 22:38:06,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 22:38:06,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228943526] [2021-03-24 22:38:06,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506566498] [2021-03-24 22:38:06,570 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 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 22:38:06,588 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-24 22:38:06,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:06,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:38:06,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:06,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:06,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:06,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:06,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:06,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:06,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:06,682 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-24 22:38:06,682 INFO L147 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size 16 [2021-03-24 22:38:06,682 INFO L142 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size [2021-03-24 22:38:06,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:06,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:06,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:06,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:06,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:06,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:06,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:06,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:06,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:06,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:06,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:06,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:06,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:06,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:06,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:06,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:06,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:06,754 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:06,755 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:06,756 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-24 22:38:06,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:06,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:06,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:06,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 12 [2021-03-24 22:38:06,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176929654] [2021-03-24 22:38:06,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 22:38:06,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:06,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 22:38:06,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-03-24 22:38:06,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:06,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 470 transitions, 11728 flow. Second operand has 14 states, 14 states have (on average 11.714285714285714) internal successors, (164), 14 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:06,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:06,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:06,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:07,379 INFO L129 PetriNetUnfolder]: 596/1529 cut-off events. [2021-03-24 22:38:07,379 INFO L130 PetriNetUnfolder]: For 66536/66536 co-relation queries the response was YES. [2021-03-24 22:38:07,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19858 conditions, 1529 events. 596/1529 cut-off events. For 66536/66536 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 11130 event pairs, 25 based on Foata normal form. 4/1533 useless extension candidates. Maximal degree in co-relation 19361. Up to 849 conditions per place. [2021-03-24 22:38:07,409 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 438 selfloop transitions, 243 changer transitions 6/691 dead transitions. [2021-03-24 22:38:07,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 691 transitions, 19278 flow [2021-03-24 22:38:07,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 22:38:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 22:38:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 220 transitions. [2021-03-24 22:38:07,410 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43137254901960786 [2021-03-24 22:38:07,410 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 220 transitions. [2021-03-24 22:38:07,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 220 transitions. [2021-03-24 22:38:07,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:07,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 220 transitions. [2021-03-24 22:38:07,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 14.666666666666666) internal successors, (220), 15 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:07,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:07,412 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:07,412 INFO L185 Difference]: Start difference. First operand has 254 places, 470 transitions, 11728 flow. Second operand 15 states and 220 transitions. [2021-03-24 22:38:07,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 691 transitions, 19278 flow [2021-03-24 22:38:07,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 691 transitions, 18507 flow, removed 313 selfloop flow, removed 6 redundant places. [2021-03-24 22:38:07,755 INFO L241 Difference]: Finished difference. Result has 268 places, 589 transitions, 15248 flow [2021-03-24 22:38:07,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=11218, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15248, PETRI_PLACES=268, PETRI_TRANSITIONS=589} [2021-03-24 22:38:07,755 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 251 predicate places. [2021-03-24 22:38:07,755 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 589 transitions, 15248 flow [2021-03-24 22:38:07,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.714285714285714) internal successors, (164), 14 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:07,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:07,756 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:07,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:07,956 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:07,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:07,957 INFO L82 PathProgramCache]: Analyzing trace with hash -246367433, now seen corresponding path program 18 times [2021-03-24 22:38:07,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:07,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13665021] [2021-03-24 22:38:07,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:07,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:07,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:07,981 INFO L142 QuantifierPusher]: treesize reduction 11, result has 38.9 percent of original size [2021-03-24 22:38:07,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:07,987 INFO L142 QuantifierPusher]: treesize reduction 11, result has 31.3 percent of original size [2021-03-24 22:38:07,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:38:07,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:07,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:38:08,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:08,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:08,055 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 22:38:08,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 22:38:08,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13665021] [2021-03-24 22:38:08,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518564496] [2021-03-24 22:38:08,058 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:38:08,097 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-24 22:38:08,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:08,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:38:08,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:08,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:08,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:08,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:08,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:08,143 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:38:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:08,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:08,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:08,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:08,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:38:08,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:08,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:08,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:08,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:08,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:08,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:08,189 INFO L142 QuantifierPusher]: treesize reduction 22, result has 71.8 percent of original size [2021-03-24 22:38:08,190 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size 41 [2021-03-24 22:38:08,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-03-24 22:38:08,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:08,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:08,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:08,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:08,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:08,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:08,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:08,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:08,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:08,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:08,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:08,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:08,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:08,247 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:08,248 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:08,248 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-24 22:38:08,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:08,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:08,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:08,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-03-24 22:38:08,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494232230] [2021-03-24 22:38:08,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-24 22:38:08,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:08,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-24 22:38:08,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-03-24 22:38:08,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:08,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 589 transitions, 15248 flow. Second operand has 15 states, 15 states have (on average 11.6) internal successors, (174), 15 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:08,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:08,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:08,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:09,052 INFO L129 PetriNetUnfolder]: 691/1756 cut-off events. [2021-03-24 22:38:09,052 INFO L130 PetriNetUnfolder]: For 83112/83112 co-relation queries the response was YES. [2021-03-24 22:38:09,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23561 conditions, 1756 events. 691/1756 cut-off events. For 83112/83112 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 13170 event pairs, 48 based on Foata normal form. 2/1758 useless extension candidates. Maximal degree in co-relation 22981. Up to 1252 conditions per place. [2021-03-24 22:38:09,078 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 601 selfloop transitions, 126 changer transitions 5/736 dead transitions. [2021-03-24 22:38:09,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 736 transitions, 20926 flow [2021-03-24 22:38:09,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 22:38:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 22:38:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 222 transitions. [2021-03-24 22:38:09,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43529411764705883 [2021-03-24 22:38:09,079 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 222 transitions. [2021-03-24 22:38:09,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 222 transitions. [2021-03-24 22:38:09,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:09,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 222 transitions. [2021-03-24 22:38:09,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 14.8) internal successors, (222), 15 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 22:38:09,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:09,081 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:09,081 INFO L185 Difference]: Start difference. First operand has 268 places, 589 transitions, 15248 flow. Second operand 15 states and 222 transitions. [2021-03-24 22:38:09,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 736 transitions, 20926 flow [2021-03-24 22:38:09,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 736 transitions, 20618 flow, removed 130 selfloop flow, removed 5 redundant places. [2021-03-24 22:38:09,597 INFO L241 Difference]: Finished difference. Result has 285 places, 657 transitions, 17241 flow [2021-03-24 22:38:09,597 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=14940, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17241, PETRI_PLACES=285, PETRI_TRANSITIONS=657} [2021-03-24 22:38:09,597 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 268 predicate places. [2021-03-24 22:38:09,597 INFO L480 AbstractCegarLoop]: Abstraction has has 285 places, 657 transitions, 17241 flow [2021-03-24 22:38:09,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.6) internal successors, (174), 15 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:09,598 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:09,598 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:09,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-03-24 22:38:09,821 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:09,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:09,821 INFO L82 PathProgramCache]: Analyzing trace with hash -57567047, now seen corresponding path program 19 times [2021-03-24 22:38:09,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:09,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046572642] [2021-03-24 22:38:09,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:09,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,855 INFO L142 QuantifierPusher]: treesize reduction 11, result has 38.9 percent of original size [2021-03-24 22:38:09,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,861 INFO L142 QuantifierPusher]: treesize reduction 11, result has 31.3 percent of original size [2021-03-24 22:38:09,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:38:09,866 INFO L142 QuantifierPusher]: treesize reduction 7, result has 41.7 percent of original size [2021-03-24 22:38:09,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:38:09,872 INFO L142 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-03-24 22:38:09,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:09,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:09,887 INFO L142 QuantifierPusher]: treesize reduction 30, result has 23.1 percent of original size [2021-03-24 22:38:09,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:38:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 22:38:09,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046572642] [2021-03-24 22:38:09,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335074093] [2021-03-24 22:38:09,890 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 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 22:38:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:09,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-24 22:38:09,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:09,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:09,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:09,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:09,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:09,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:09,954 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:38:09,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:09,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:09,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:09,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:09,969 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:38:09,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:09,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:09,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:09,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:09,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:09,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:09,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:09,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:09,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:10,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:10,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:10,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:10,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:10,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:10,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:10,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:10,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:10,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:10,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:10,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 22:38:10,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:10,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:10,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:10,034 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:10,035 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:10,036 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-03-24 22:38:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:10,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:10,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 12 [2021-03-24 22:38:10,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448790017] [2021-03-24 22:38:10,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 22:38:10,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:10,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 22:38:10,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-03-24 22:38:10,060 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:10,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 657 transitions, 17241 flow. Second operand has 14 states, 14 states have (on average 11.714285714285714) internal successors, (164), 14 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:10,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:10,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:10,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:10,742 INFO L129 PetriNetUnfolder]: 805/2041 cut-off events. [2021-03-24 22:38:10,742 INFO L130 PetriNetUnfolder]: For 102916/102916 co-relation queries the response was YES. [2021-03-24 22:38:10,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28033 conditions, 2041 events. 805/2041 cut-off events. For 102916/102916 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 15964 event pairs, 46 based on Foata normal form. 3/2044 useless extension candidates. Maximal degree in co-relation 27485. Up to 1187 conditions per place. [2021-03-24 22:38:10,774 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 551 selfloop transitions, 320 changer transitions 5/880 dead transitions. [2021-03-24 22:38:10,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 880 transitions, 25176 flow [2021-03-24 22:38:10,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 22:38:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 22:38:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 200 transitions. [2021-03-24 22:38:10,776 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42016806722689076 [2021-03-24 22:38:10,776 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 200 transitions. [2021-03-24 22:38:10,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 200 transitions. [2021-03-24 22:38:10,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:10,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 200 transitions. [2021-03-24 22:38:10,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 14.285714285714286) internal successors, (200), 14 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 22:38:10,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:10,777 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:10,777 INFO L185 Difference]: Start difference. First operand has 285 places, 657 transitions, 17241 flow. Second operand 14 states and 200 transitions. [2021-03-24 22:38:10,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 880 transitions, 25176 flow [2021-03-24 22:38:11,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 880 transitions, 24751 flow, removed 201 selfloop flow, removed 4 redundant places. [2021-03-24 22:38:11,427 INFO L241 Difference]: Finished difference. Result has 300 places, 783 transitions, 21583 flow [2021-03-24 22:38:11,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=16818, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21583, PETRI_PLACES=300, PETRI_TRANSITIONS=783} [2021-03-24 22:38:11,428 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 283 predicate places. [2021-03-24 22:38:11,428 INFO L480 AbstractCegarLoop]: Abstraction has has 300 places, 783 transitions, 21583 flow [2021-03-24 22:38:11,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.714285714285714) internal successors, (164), 14 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:11,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:11,428 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:11,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-03-24 22:38:11,629 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:11,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:11,629 INFO L82 PathProgramCache]: Analyzing trace with hash -424913041, now seen corresponding path program 20 times [2021-03-24 22:38:11,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:11,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124777513] [2021-03-24 22:38:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:11,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,709 INFO L142 QuantifierPusher]: treesize reduction 39, result has 31.6 percent of original size [2021-03-24 22:38:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:11,720 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:38:11,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:11,728 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 22:38:11,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:11,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:11,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:11,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:11,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:11,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:11,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124777513] [2021-03-24 22:38:11,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847754266] [2021-03-24 22:38:11,788 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 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 22:38:11,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:38:11,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:11,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:38:11,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:11,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:11,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:11,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:11,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:11,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:11,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:11,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:11,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:11,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:11,887 INFO L142 QuantifierPusher]: treesize reduction 37, result has 30.2 percent of original size [2021-03-24 22:38:11,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:11,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:11,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:11,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:11,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:11,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:11,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:11,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:11,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:11,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:11,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:11,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:38:11,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:11,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:38:11,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:38:11,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,973 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:11,974 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:11,975 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:38:11,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:38:11,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:38:11,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:11,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:38:12,005 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-24 22:38:12,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:12,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:12,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:12,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:12,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:12,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:12,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:12,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:38:12,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:12,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:12,027 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:12,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:12,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:12,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:38:12,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835351865] [2021-03-24 22:38:12,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:38:12,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:12,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:38:12,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:38:12,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:12,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 783 transitions, 21583 flow. Second operand has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:12,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:12,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:12,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:13,978 INFO L129 PetriNetUnfolder]: 1044/2696 cut-off events. [2021-03-24 22:38:13,978 INFO L130 PetriNetUnfolder]: For 157692/157692 co-relation queries the response was YES. [2021-03-24 22:38:14,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38806 conditions, 2696 events. 1044/2696 cut-off events. For 157692/157692 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 22606 event pairs, 5 based on Foata normal form. 27/2723 useless extension candidates. Maximal degree in co-relation 38173. Up to 952 conditions per place. [2021-03-24 22:38:14,018 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 457 selfloop transitions, 779 changer transitions 3/1243 dead transitions. [2021-03-24 22:38:14,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 1243 transitions, 38410 flow [2021-03-24 22:38:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-24 22:38:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-03-24 22:38:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 530 transitions. [2021-03-24 22:38:14,022 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4102167182662539 [2021-03-24 22:38:14,022 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 530 transitions. [2021-03-24 22:38:14,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 530 transitions. [2021-03-24 22:38:14,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:14,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 530 transitions. [2021-03-24 22:38:14,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 13.947368421052632) internal successors, (530), 38 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 22:38:14,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 34.0) internal successors, (1326), 39 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:14,025 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 34.0) internal successors, (1326), 39 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:14,025 INFO L185 Difference]: Start difference. First operand has 300 places, 783 transitions, 21583 flow. Second operand 38 states and 530 transitions. [2021-03-24 22:38:14,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 1243 transitions, 38410 flow [2021-03-24 22:38:14,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 1243 transitions, 37789 flow, removed 301 selfloop flow, removed 3 redundant places. [2021-03-24 22:38:14,891 INFO L241 Difference]: Finished difference. Result has 356 places, 1087 transitions, 33820 flow [2021-03-24 22:38:14,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=21061, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=774, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=496, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=33820, PETRI_PLACES=356, PETRI_TRANSITIONS=1087} [2021-03-24 22:38:14,892 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 339 predicate places. [2021-03-24 22:38:14,892 INFO L480 AbstractCegarLoop]: Abstraction has has 356 places, 1087 transitions, 33820 flow [2021-03-24 22:38:14,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:14,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:14,892 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:15,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:15,108 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:15,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:15,108 INFO L82 PathProgramCache]: Analyzing trace with hash -567703743, now seen corresponding path program 21 times [2021-03-24 22:38:15,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:15,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782362072] [2021-03-24 22:38:15,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:15,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,126 INFO L142 QuantifierPusher]: treesize reduction 39, result has 31.6 percent of original size [2021-03-24 22:38:15,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:15,134 INFO L142 QuantifierPusher]: treesize reduction 38, result has 30.9 percent of original size [2021-03-24 22:38:15,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:15,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:15,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:15,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:15,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:15,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:15,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782362072] [2021-03-24 22:38:15,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393266921] [2021-03-24 22:38:15,193 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 22:38:15,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-24 22:38:15,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:15,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:38:15,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:15,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:15,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,259 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-24 22:38:15,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:15,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:15,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:15,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:15,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:15,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:15,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:15,298 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-24 22:38:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:15,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,323 INFO L147 QuantifierPusher]: treesize reduction 22, result has 52.2 percent of original size 24 [2021-03-24 22:38:15,323 INFO L142 QuantifierPusher]: treesize reduction 22, result has 52.2 percent of original size [2021-03-24 22:38:15,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:15,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:15,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:15,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:15,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,363 INFO L147 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size 26 [2021-03-24 22:38:15,363 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:38:15,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:15,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:15,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:15,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:15,383 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:38:15,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:15,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:15,385 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:15,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:15,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:15,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:38:15,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71190565] [2021-03-24 22:38:15,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:38:15,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:15,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:38:15,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:38:15,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:15,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 1087 transitions, 33820 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:15,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:15,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:15,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:17,997 INFO L129 PetriNetUnfolder]: 1142/2947 cut-off events. [2021-03-24 22:38:17,997 INFO L130 PetriNetUnfolder]: For 235115/235115 co-relation queries the response was YES. [2021-03-24 22:38:18,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47015 conditions, 2947 events. 1142/2947 cut-off events. For 235115/235115 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 25288 event pairs, 6 based on Foata normal form. 26/2973 useless extension candidates. Maximal degree in co-relation 46324. Up to 1443 conditions per place. [2021-03-24 22:38:18,045 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 697 selfloop transitions, 655 changer transitions 0/1356 dead transitions. [2021-03-24 22:38:18,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 1356 transitions, 44915 flow [2021-03-24 22:38:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-24 22:38:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-03-24 22:38:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 523 transitions. [2021-03-24 22:38:18,046 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40479876160990713 [2021-03-24 22:38:18,046 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 523 transitions. [2021-03-24 22:38:18,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 523 transitions. [2021-03-24 22:38:18,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:18,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 523 transitions. [2021-03-24 22:38:18,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 13.763157894736842) internal successors, (523), 38 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:18,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 34.0) internal successors, (1326), 39 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:18,049 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 34.0) internal successors, (1326), 39 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:18,049 INFO L185 Difference]: Start difference. First operand has 356 places, 1087 transitions, 33820 flow. Second operand 38 states and 523 transitions. [2021-03-24 22:38:18,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 1356 transitions, 44915 flow [2021-03-24 22:38:19,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 1356 transitions, 43472 flow, removed 698 selfloop flow, removed 6 redundant places. [2021-03-24 22:38:19,520 INFO L241 Difference]: Finished difference. Result has 403 places, 1181 transitions, 37906 flow [2021-03-24 22:38:19,521 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=32445, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1087, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=561, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=37906, PETRI_PLACES=403, PETRI_TRANSITIONS=1181} [2021-03-24 22:38:19,521 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 386 predicate places. [2021-03-24 22:38:19,522 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 1181 transitions, 37906 flow [2021-03-24 22:38:19,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:19,522 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:19,522 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:19,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-03-24 22:38:19,745 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:19,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1592753123, now seen corresponding path program 22 times [2021-03-24 22:38:19,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:19,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287967518] [2021-03-24 22:38:19,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:19,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,768 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:38:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:19,777 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:38:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:19,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 22:38:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:19,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:19,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:19,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:19,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:19,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287967518] [2021-03-24 22:38:19,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511936319] [2021-03-24 22:38:19,843 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) [2021-03-24 22:38:19,872 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 22:38:19,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:19,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-24 22:38:19,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:19,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:19,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:19,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:19,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:38:19,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:19,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:19,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:19,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:19,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:19,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:19,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:19,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:19,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:38:19,899 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:38:19,899 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:19,900 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:38:19,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:38:19,924 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-24 22:38:19,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:19,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:19,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:19,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 22:38:19,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:19,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:19,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 22:38:19,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:19,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:38:19,961 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:38:19,961 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:19,962 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:38:19,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:38:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:19,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:38:19,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:19,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:19,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:38:20,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:38:20,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,002 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 1] term [2021-03-24 22:38:20,003 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 22:38:20,004 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:38:20,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:38:20,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 22:38:20,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 22:38:20,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 22:38:20,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 22:38:20,076 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.4 percent of original size [2021-03-24 22:38:20,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-24 22:38:20,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 22:38:20,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 22:38:20,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,079 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:38:20,080 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,081 INFO L142 QuantifierPusher]: treesize reduction 38, result has 81.3 percent of original size [2021-03-24 22:38:20,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:20,084 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:20,084 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 22:38:20,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 22:38:20,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:38:20,095 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:20,095 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 22:38:20,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 22:38:20,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-03-24 22:38:20,103 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:20,114 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 22:38:20,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 22:38:20,122 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:20,123 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 22:38:20,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 22:38:20,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-03-24 22:38:20,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-03-24 22:38:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-03-24 22:38:20,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-03-24 22:38:20,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-03-24 22:38:20,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-03-24 22:38:20,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-03-24 22:38:20,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,277 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-03-24 22:38:20,278 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:20,282 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,286 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:38:20,287 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:20,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:38:20,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:20,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:20,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:20,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 22:38:20,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:20,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:20,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:20,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 22:38:20,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:20,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:20,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-03-24 22:38:20,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:38:20,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-24 22:38:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-03-24 22:38:20,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,317 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:38:20,318 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,319 INFO L142 QuantifierPusher]: treesize reduction 21, result has 84.7 percent of original size [2021-03-24 22:38:20,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:38:20,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 22:38:20,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:38:20,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-24 22:38:20,330 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:38:20,330 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:20,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:38:20,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:20,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:38:20,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 22:38:20,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:20,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:20,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:20,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 22:38:20,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 22:38:20,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:38:20,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-03-24 22:38:20,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:38:20,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-24 22:38:20,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-03-24 22:38:20,360 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:38:20,361 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:20,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:20,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:38:20,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:20,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:20,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:20,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:38:20,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:20,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:20,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-03-24 22:38:20,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:20,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:20,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:20,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-03-24 22:38:20,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-03-24 22:38:20,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:38:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:38:20,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:38:20,411 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2021-03-24 22:38:20,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:38:20,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:38:20,414 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:38:20,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:38:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:38:20,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:38:20,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:38:20,426 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2021-03-24 22:38:20,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:38:20,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:38:20,428 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:38:20,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:38:20,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:38:20,439 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2021-03-24 22:38:20,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:38:20,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:38:20,441 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 22:38:20,504 INFO L628 ElimStorePlain]: treesize reduction 143, result has 26.7 percent of original size [2021-03-24 22:38:20,504 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:38:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:38:20,508 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 14 [2021-03-24 22:38:20,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,510 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-24 22:38:20,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,530 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-03-24 22:38:20,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,534 INFO L147 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size 8 [2021-03-24 22:38:20,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-24 22:38:20,534 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:259, output treesize:14 [2021-03-24 22:38:20,535 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-03-24 22:38:20,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:20,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:20,536 INFO L142 QuantifierPusher]: treesize reduction 16, result has 5.9 percent of original size [2021-03-24 22:38:20,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:20,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:20,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:20,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 22:38:20,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137060237] [2021-03-24 22:38:20,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 22:38:20,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:20,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 22:38:20,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-03-24 22:38:20,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:20,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 1181 transitions, 37906 flow. Second operand has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:20,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:20,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:20,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:23,395 INFO L129 PetriNetUnfolder]: 1208/3062 cut-off events. [2021-03-24 22:38:23,395 INFO L130 PetriNetUnfolder]: For 292628/292628 co-relation queries the response was YES. [2021-03-24 22:38:23,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52372 conditions, 3062 events. 1208/3062 cut-off events. For 292628/292628 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 26123 event pairs, 51 based on Foata normal form. 17/3079 useless extension candidates. Maximal degree in co-relation 51682. Up to 1605 conditions per place. [2021-03-24 22:38:23,445 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 848 selfloop transitions, 446 changer transitions 69/1367 dead transitions. [2021-03-24 22:38:23,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 1367 transitions, 47335 flow [2021-03-24 22:38:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-24 22:38:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-03-24 22:38:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 443 transitions. [2021-03-24 22:38:23,447 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3722689075630252 [2021-03-24 22:38:23,447 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 443 transitions. [2021-03-24 22:38:23,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 443 transitions. [2021-03-24 22:38:23,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:23,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 443 transitions. [2021-03-24 22:38:23,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 12.657142857142857) internal successors, (443), 35 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 22:38:23,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 34.0) internal successors, (1224), 36 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:23,449 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 34.0) internal successors, (1224), 36 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:23,450 INFO L185 Difference]: Start difference. First operand has 403 places, 1181 transitions, 37906 flow. Second operand 35 states and 443 transitions. [2021-03-24 22:38:23,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 1367 transitions, 47335 flow [2021-03-24 22:38:25,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 1367 transitions, 45925 flow, removed 305 selfloop flow, removed 11 redundant places. [2021-03-24 22:38:25,261 INFO L241 Difference]: Finished difference. Result has 440 places, 1258 transitions, 41058 flow [2021-03-24 22:38:25,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=36113, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=41058, PETRI_PLACES=440, PETRI_TRANSITIONS=1258} [2021-03-24 22:38:25,262 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 423 predicate places. [2021-03-24 22:38:25,262 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 1258 transitions, 41058 flow [2021-03-24 22:38:25,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:25,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:25,262 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:25,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:25,476 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:25,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:25,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1750019925, now seen corresponding path program 23 times [2021-03-24 22:38:25,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:25,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987839079] [2021-03-24 22:38:25,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:25,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,501 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:38:25,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,508 INFO L142 QuantifierPusher]: treesize reduction 5, result has 61.5 percent of original size [2021-03-24 22:38:25,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:25,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 22:38:25,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:25,525 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:38:25,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:25,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:25,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:25,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:25,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:25,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987839079] [2021-03-24 22:38:25,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015504193] [2021-03-24 22:38:25,578 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 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 22:38:25,602 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-24 22:38:25,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:25,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:38:25,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:25,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:25,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:25,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:25,653 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:38:25,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:25,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:25,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:25,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:25,670 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:38:25,671 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 22:38:25,671 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-24 22:38:25,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:25,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:25,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:25,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:25,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:25,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:25,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:25,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:25,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:25,738 INFO L142 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size [2021-03-24 22:38:25,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:38:25,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:38:25,767 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.2 percent of original size [2021-03-24 22:38:25,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:25,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:25,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:25,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:25,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:25,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:25,788 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:38:25,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:25,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:25,800 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:25,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:25,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:25,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:25,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:38:25,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899851059] [2021-03-24 22:38:25,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:38:25,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:25,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:38:25,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:38:25,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:25,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 1258 transitions, 41058 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:25,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:25,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:25,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:28,405 INFO L129 PetriNetUnfolder]: 1235/3086 cut-off events. [2021-03-24 22:38:28,405 INFO L130 PetriNetUnfolder]: For 325327/325327 co-relation queries the response was YES. [2021-03-24 22:38:28,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54672 conditions, 3086 events. 1235/3086 cut-off events. For 325327/325327 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 26288 event pairs, 6 based on Foata normal form. 18/3104 useless extension candidates. Maximal degree in co-relation 54083. Up to 1582 conditions per place. [2021-03-24 22:38:28,540 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 752 selfloop transitions, 701 changer transitions 3/1460 dead transitions. [2021-03-24 22:38:28,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 1460 transitions, 51281 flow [2021-03-24 22:38:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-24 22:38:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-24 22:38:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 353 transitions. [2021-03-24 22:38:28,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3993212669683258 [2021-03-24 22:38:28,542 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 353 transitions. [2021-03-24 22:38:28,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 353 transitions. [2021-03-24 22:38:28,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:28,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 353 transitions. [2021-03-24 22:38:28,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.576923076923077) internal successors, (353), 26 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:28,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 34.0) internal successors, (918), 27 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:28,544 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 34.0) internal successors, (918), 27 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:28,544 INFO L185 Difference]: Start difference. First operand has 440 places, 1258 transitions, 41058 flow. Second operand 26 states and 353 transitions. [2021-03-24 22:38:28,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 1460 transitions, 51281 flow [2021-03-24 22:38:30,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 1460 transitions, 49836 flow, removed 712 selfloop flow, removed 2 redundant places. [2021-03-24 22:38:30,559 INFO L241 Difference]: Finished difference. Result has 473 places, 1325 transitions, 45085 flow [2021-03-24 22:38:30,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=39756, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=633, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=45085, PETRI_PLACES=473, PETRI_TRANSITIONS=1325} [2021-03-24 22:38:30,561 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 456 predicate places. [2021-03-24 22:38:30,561 INFO L480 AbstractCegarLoop]: Abstraction has has 473 places, 1325 transitions, 45085 flow [2021-03-24 22:38:30,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:30,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:30,561 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:30,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-03-24 22:38:30,776 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:30,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:30,777 INFO L82 PathProgramCache]: Analyzing trace with hash -968377723, now seen corresponding path program 24 times [2021-03-24 22:38:30,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:30,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460280492] [2021-03-24 22:38:30,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:30,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,809 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:38:30,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:30,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:38:30,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:30,825 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:38:30,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:38:30,832 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:38:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:30,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:30,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:30,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:30,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:30,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460280492] [2021-03-24 22:38:30,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403135513] [2021-03-24 22:38:30,882 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:38:30,912 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-24 22:38:30,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:30,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:30,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:30,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:30,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:30,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:30,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:30,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:30,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:30,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:30,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:30,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:30,995 INFO L142 QuantifierPusher]: treesize reduction 37, result has 30.2 percent of original size [2021-03-24 22:38:30,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:30,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:30,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:30,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:31,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:31,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:31,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:31,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:31,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:31,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:31,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:31,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:31,059 INFO L142 QuantifierPusher]: treesize reduction 17, result has 64.6 percent of original size [2021-03-24 22:38:31,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:31,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:31,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,093 INFO L147 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size 26 [2021-03-24 22:38:31,094 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:38:31,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:31,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:31,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:31,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:31,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:31,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:38:31,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:31,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:31,114 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:31,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:31,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:31,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:31,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:38:31,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805899607] [2021-03-24 22:38:31,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:38:31,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:31,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:38:31,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:38:31,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:31,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 1325 transitions, 45085 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:31,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:31,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:31,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:33,968 INFO L129 PetriNetUnfolder]: 1371/3411 cut-off events. [2021-03-24 22:38:33,968 INFO L130 PetriNetUnfolder]: For 378537/378539 co-relation queries the response was YES. [2021-03-24 22:38:34,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62300 conditions, 3411 events. 1371/3411 cut-off events. For 378537/378539 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 29481 event pairs, 13 based on Foata normal form. 31/3442 useless extension candidates. Maximal degree in co-relation 61829. Up to 1621 conditions per place. [2021-03-24 22:38:34,030 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 833 selfloop transitions, 842 changer transitions 3/1682 dead transitions. [2021-03-24 22:38:34,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 1682 transitions, 61833 flow [2021-03-24 22:38:34,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-24 22:38:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-24 22:38:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 380 transitions. [2021-03-24 22:38:34,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39915966386554624 [2021-03-24 22:38:34,031 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 380 transitions. [2021-03-24 22:38:34,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 380 transitions. [2021-03-24 22:38:34,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:34,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 380 transitions. [2021-03-24 22:38:34,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 13.571428571428571) internal successors, (380), 28 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:34,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 34.0) internal successors, (986), 29 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:34,033 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 34.0) internal successors, (986), 29 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:34,033 INFO L185 Difference]: Start difference. First operand has 473 places, 1325 transitions, 45085 flow. Second operand 28 states and 380 transitions. [2021-03-24 22:38:34,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 1682 transitions, 61833 flow [2021-03-24 22:38:36,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 1682 transitions, 60984 flow, removed 310 selfloop flow, removed 11 redundant places. [2021-03-24 22:38:36,389 INFO L241 Difference]: Finished difference. Result has 502 places, 1495 transitions, 53849 flow [2021-03-24 22:38:36,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=44196, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=669, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=53849, PETRI_PLACES=502, PETRI_TRANSITIONS=1495} [2021-03-24 22:38:36,390 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 485 predicate places. [2021-03-24 22:38:36,390 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 1495 transitions, 53849 flow [2021-03-24 22:38:36,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:36,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:36,390 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:36,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:36,593 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:36,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:36,593 INFO L82 PathProgramCache]: Analyzing trace with hash 252814937, now seen corresponding path program 25 times [2021-03-24 22:38:36,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:36,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025584133] [2021-03-24 22:38:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:36,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,616 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:38:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:36,624 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:38:36,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:36,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:38:36,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:38:36,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:36,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:36,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:36,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:36,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025584133] [2021-03-24 22:38:36,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769703941] [2021-03-24 22:38:36,690 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:38:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:36,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:38:36,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:36,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:36,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:36,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:36,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:36,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:36,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:36,790 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-24 22:38:36,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:36,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:36,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:36,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:36,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:36,834 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.8 percent of original size [2021-03-24 22:38:36,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:36,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:36,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:36,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:38:36,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,838 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:38:36,838 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:36,839 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,848 INFO L147 QuantifierPusher]: treesize reduction 9, result has 74.3 percent of original size 26 [2021-03-24 22:38:36,848 INFO L142 QuantifierPusher]: treesize reduction 9, result has 74.3 percent of original size [2021-03-24 22:38:36,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:36,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,866 INFO L147 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size 26 [2021-03-24 22:38:36,866 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-24 22:38:36,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:36,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:36,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:36,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:36,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:36,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:36,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:36,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:38:36,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:36,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:38:36,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:36,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,908 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-24 22:38:36,909 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:36,910 INFO L142 QuantifierPusher]: treesize reduction 23, result has 81.3 percent of original size [2021-03-24 22:38:36,910 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:36,910 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:36,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:36,914 INFO L147 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size 24 [2021-03-24 22:38:36,914 INFO L147 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size 24 [2021-03-24 22:38:36,915 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-24 22:38:36,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:36,938 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-03-24 22:38:36,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:36,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:36,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:36,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:38:36,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:36,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:36,950 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:36,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:36,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:38:36,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661797723] [2021-03-24 22:38:36,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:38:36,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:36,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:38:36,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:38:36,952 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:36,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 1495 transitions, 53849 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:36,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:36,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:36,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:39,474 INFO L129 PetriNetUnfolder]: 1374/3452 cut-off events. [2021-03-24 22:38:39,474 INFO L130 PetriNetUnfolder]: For 398514/398514 co-relation queries the response was YES. [2021-03-24 22:38:39,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65474 conditions, 3452 events. 1374/3452 cut-off events. For 398514/398514 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 30215 event pairs, 83 based on Foata normal form. 3/3455 useless extension candidates. Maximal degree in co-relation 64929. Up to 2252 conditions per place. [2021-03-24 22:38:39,551 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 1371 selfloop transitions, 143 changer transitions 13/1531 dead transitions. [2021-03-24 22:38:39,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 1531 transitions, 58030 flow [2021-03-24 22:38:39,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 22:38:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 22:38:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 261 transitions. [2021-03-24 22:38:39,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38382352941176473 [2021-03-24 22:38:39,552 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 261 transitions. [2021-03-24 22:38:39,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 261 transitions. [2021-03-24 22:38:39,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:39,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 261 transitions. [2021-03-24 22:38:39,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 13.05) internal successors, (261), 20 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:39,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 34.0) internal successors, (714), 21 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:39,553 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 34.0) internal successors, (714), 21 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:39,553 INFO L185 Difference]: Start difference. First operand has 502 places, 1495 transitions, 53849 flow. Second operand 20 states and 261 transitions. [2021-03-24 22:38:39,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 1531 transitions, 58030 flow [2021-03-24 22:38:42,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1531 transitions, 57478 flow, removed 254 selfloop flow, removed 6 redundant places. [2021-03-24 22:38:42,355 INFO L241 Difference]: Finished difference. Result has 522 places, 1507 transitions, 54122 flow [2021-03-24 22:38:42,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=53297, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=54122, PETRI_PLACES=522, PETRI_TRANSITIONS=1507} [2021-03-24 22:38:42,356 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 505 predicate places. [2021-03-24 22:38:42,356 INFO L480 AbstractCegarLoop]: Abstraction has has 522 places, 1507 transitions, 54122 flow [2021-03-24 22:38:42,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:42,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:42,357 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:42,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-03-24 22:38:42,557 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:42,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:42,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1272446193, now seen corresponding path program 26 times [2021-03-24 22:38:42,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:42,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062718997] [2021-03-24 22:38:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:42,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,583 INFO L142 QuantifierPusher]: treesize reduction 39, result has 31.6 percent of original size [2021-03-24 22:38:42,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:42,595 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:38:42,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:42,604 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:38:42,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:38:42,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:42,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:42,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:42,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:42,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:42,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062718997] [2021-03-24 22:38:42,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393526654] [2021-03-24 22:38:42,660 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 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 22:38:42,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:38:42,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:42,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:38:42,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:42,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:42,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:42,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:42,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:42,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:42,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:42,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:42,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:42,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:42,745 INFO L142 QuantifierPusher]: treesize reduction 37, result has 30.2 percent of original size [2021-03-24 22:38:42,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:42,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:42,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:42,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:42,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:42,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:42,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:42,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:42,805 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-24 22:38:42,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:42,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:38:42,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:42,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:42,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:42,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:38:42,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,855 INFO L147 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size 26 [2021-03-24 22:38:42,856 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:38:42,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:42,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:38:42,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:38:42,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:38:42,874 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:38:42,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:42,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:42,875 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:42,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:42,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:38:42,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319826773] [2021-03-24 22:38:42,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:38:42,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:42,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:38:42,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:38:42,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:42,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 1507 transitions, 54122 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:42,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:42,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:42,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:46,575 INFO L129 PetriNetUnfolder]: 1412/3576 cut-off events. [2021-03-24 22:38:46,575 INFO L130 PetriNetUnfolder]: For 417978/417978 co-relation queries the response was YES. [2021-03-24 22:38:46,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68013 conditions, 3576 events. 1412/3576 cut-off events. For 417978/417978 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 31598 event pairs, 15 based on Foata normal form. 23/3599 useless extension candidates. Maximal degree in co-relation 67691. Up to 1390 conditions per place. [2021-03-24 22:38:46,815 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 799 selfloop transitions, 971 changer transitions 3/1777 dead transitions. [2021-03-24 22:38:46,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 1777 transitions, 68914 flow [2021-03-24 22:38:46,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-24 22:38:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-03-24 22:38:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 474 transitions. [2021-03-24 22:38:46,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3983193277310924 [2021-03-24 22:38:46,816 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 474 transitions. [2021-03-24 22:38:46,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 474 transitions. [2021-03-24 22:38:46,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:46,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 474 transitions. [2021-03-24 22:38:46,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 13.542857142857143) internal successors, (474), 35 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:46,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 34.0) internal successors, (1224), 36 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:46,819 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 34.0) internal successors, (1224), 36 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:46,819 INFO L185 Difference]: Start difference. First operand has 522 places, 1507 transitions, 54122 flow. Second operand 35 states and 474 transitions. [2021-03-24 22:38:46,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 1777 transitions, 68914 flow [2021-03-24 22:38:49,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 1777 transitions, 68505 flow, removed 153 selfloop flow, removed 10 redundant places. [2021-03-24 22:38:49,925 INFO L241 Difference]: Finished difference. Result has 551 places, 1579 transitions, 60363 flow [2021-03-24 22:38:49,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=53737, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=905, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=60363, PETRI_PLACES=551, PETRI_TRANSITIONS=1579} [2021-03-24 22:38:49,926 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 534 predicate places. [2021-03-24 22:38:49,926 INFO L480 AbstractCegarLoop]: Abstraction has has 551 places, 1579 transitions, 60363 flow [2021-03-24 22:38:49,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:49,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:49,926 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:50,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:50,128 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:50,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:50,128 INFO L82 PathProgramCache]: Analyzing trace with hash -360366017, now seen corresponding path program 27 times [2021-03-24 22:38:50,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:50,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302422783] [2021-03-24 22:38:50,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:50,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,153 INFO L142 QuantifierPusher]: treesize reduction 39, result has 31.6 percent of original size [2021-03-24 22:38:50,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:50,163 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:38:50,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:50,170 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 22:38:50,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:50,178 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:38:50,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:50,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:50,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:50,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:50,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:50,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302422783] [2021-03-24 22:38:50,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453664887] [2021-03-24 22:38:50,216 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:38:50,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-24 22:38:50,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:50,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:38:50,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:50,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:50,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:50,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:50,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:50,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:38:50,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:50,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:50,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:50,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:50,320 INFO L142 QuantifierPusher]: treesize reduction 37, result has 30.2 percent of original size [2021-03-24 22:38:50,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:50,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:50,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:50,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:38:50,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:50,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:50,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:50,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:50,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:50,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:38:50,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:38:50,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:50,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:38:50,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:38:50,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,390 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:50,390 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:50,391 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:38:50,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:38:50,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:38:50,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:38:50,419 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 22:38:50,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:38:50,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:50,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:38:50,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:50,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,422 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2021-03-24 22:38:50,422 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:50,423 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:50,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:50,447 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:38:50,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:50,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:50,448 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:50,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:50,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:50,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:50,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:38:50,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884495631] [2021-03-24 22:38:50,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:38:50,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:50,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:38:50,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:38:50,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:50,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 1579 transitions, 60363 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:50,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:50,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:50,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:38:54,503 INFO L129 PetriNetUnfolder]: 1534/3934 cut-off events. [2021-03-24 22:38:54,503 INFO L130 PetriNetUnfolder]: For 492514/492514 co-relation queries the response was YES. [2021-03-24 22:38:54,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78077 conditions, 3934 events. 1534/3934 cut-off events. For 492514/492514 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 35644 event pairs, 76 based on Foata normal form. 8/3942 useless extension candidates. Maximal degree in co-relation 77757. Up to 1993 conditions per place. [2021-03-24 22:38:54,596 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 1151 selfloop transitions, 643 changer transitions 7/1805 dead transitions. [2021-03-24 22:38:54,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 1805 transitions, 73437 flow [2021-03-24 22:38:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-24 22:38:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-24 22:38:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 439 transitions. [2021-03-24 22:38:54,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39126559714795006 [2021-03-24 22:38:54,598 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 439 transitions. [2021-03-24 22:38:54,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 439 transitions. [2021-03-24 22:38:54,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:38:54,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 439 transitions. [2021-03-24 22:38:54,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 13.303030303030303) internal successors, (439), 33 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:54,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 34.0) internal successors, (1156), 34 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:54,600 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 34.0) internal successors, (1156), 34 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:54,600 INFO L185 Difference]: Start difference. First operand has 551 places, 1579 transitions, 60363 flow. Second operand 33 states and 439 transitions. [2021-03-24 22:38:54,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 1805 transitions, 73437 flow [2021-03-24 22:38:58,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 1805 transitions, 71118 flow, removed 622 selfloop flow, removed 17 redundant places. [2021-03-24 22:38:58,581 INFO L241 Difference]: Finished difference. Result has 581 places, 1728 transitions, 66714 flow [2021-03-24 22:38:58,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=58254, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=491, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=970, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=66714, PETRI_PLACES=581, PETRI_TRANSITIONS=1728} [2021-03-24 22:38:58,583 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 564 predicate places. [2021-03-24 22:38:58,583 INFO L480 AbstractCegarLoop]: Abstraction has has 581 places, 1728 transitions, 66714 flow [2021-03-24 22:38:58,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:58,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:38:58,583 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:38:58,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:38:58,796 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:38:58,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:38:58,796 INFO L82 PathProgramCache]: Analyzing trace with hash 97272533, now seen corresponding path program 28 times [2021-03-24 22:38:58,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:38:58,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081728246] [2021-03-24 22:38:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:38:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:38:58,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,818 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:38:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:38:58,827 INFO L142 QuantifierPusher]: treesize reduction 34, result has 24.4 percent of original size [2021-03-24 22:38:58,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:38:58,833 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:38:58,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:38:58,840 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:38:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:38:58,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:38:58,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:58,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:38:58,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:58,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081728246] [2021-03-24 22:38:58,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687292456] [2021-03-24 22:38:58,877 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 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 22:38:58,893 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 22:38:58,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:38:58,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:38:58,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:38:58,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:38:58,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:58,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:58,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:58,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:38:58,932 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:38:58,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:58,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:58,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:58,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:38:58,947 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:38:58,948 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 22:38:58,948 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-24 22:38:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:58,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:58,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:38:58,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:58,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:58,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:58,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:38:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:58,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:38:59,006 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-03-24 22:38:59,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 22:38:59,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:59,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:38:59,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 22:38:59,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,009 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:38:59,009 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:38:59,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,010 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size 36 [2021-03-24 22:38:59,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-03-24 22:38:59,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:38:59,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:38:59,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:59,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:38:59,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:38:59,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,032 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:38:59,033 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:59,033 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.5 percent of original size [2021-03-24 22:38:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:59,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:59,058 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:38:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:38:59,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:38:59,060 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:38:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:38:59,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:38:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:38:59,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:38:59,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:38:59,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980412923] [2021-03-24 22:38:59,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:38:59,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:38:59,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:38:59,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:38:59,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:38:59,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 1728 transitions, 66714 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:38:59,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:38:59,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:38:59,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:39:03,135 INFO L129 PetriNetUnfolder]: 1581/4011 cut-off events. [2021-03-24 22:39:03,135 INFO L130 PetriNetUnfolder]: For 488706/488706 co-relation queries the response was YES. [2021-03-24 22:39:03,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80061 conditions, 4011 events. 1581/4011 cut-off events. For 488706/488706 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 36077 event pairs, 77 based on Foata normal form. 10/4021 useless extension candidates. Maximal degree in co-relation 79727. Up to 2191 conditions per place. [2021-03-24 22:39:03,224 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 1423 selfloop transitions, 377 changer transitions 25/1829 dead transitions. [2021-03-24 22:39:03,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 1829 transitions, 74610 flow [2021-03-24 22:39:03,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 22:39:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 22:39:03,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 346 transitions. [2021-03-24 22:39:03,225 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3769063180827887 [2021-03-24 22:39:03,225 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 346 transitions. [2021-03-24 22:39:03,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 346 transitions. [2021-03-24 22:39:03,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:39:03,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 346 transitions. [2021-03-24 22:39:03,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 12.814814814814815) internal successors, (346), 27 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:03,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:03,227 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:03,227 INFO L185 Difference]: Start difference. First operand has 581 places, 1728 transitions, 66714 flow. Second operand 27 states and 346 transitions. [2021-03-24 22:39:03,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 1829 transitions, 74610 flow [2021-03-24 22:39:07,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 1829 transitions, 73453 flow, removed 524 selfloop flow, removed 11 redundant places. [2021-03-24 22:39:07,470 INFO L241 Difference]: Finished difference. Result has 601 places, 1754 transitions, 68083 flow [2021-03-24 22:39:07,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=65131, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=68083, PETRI_PLACES=601, PETRI_TRANSITIONS=1754} [2021-03-24 22:39:07,472 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 584 predicate places. [2021-03-24 22:39:07,472 INFO L480 AbstractCegarLoop]: Abstraction has has 601 places, 1754 transitions, 68083 flow [2021-03-24 22:39:07,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:07,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:39:07,472 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:39:07,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:39:07,688 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:39:07,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:39:07,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1646937063, now seen corresponding path program 29 times [2021-03-24 22:39:07,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:39:07,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490141488] [2021-03-24 22:39:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:39:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:39:07,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,709 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:39:07,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,715 INFO L142 QuantifierPusher]: treesize reduction 5, result has 61.5 percent of original size [2021-03-24 22:39:07,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:07,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 22:39:07,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:07,731 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:39:07,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:39:07,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:07,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:07,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:39:07,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:07,773 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:39:07,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490141488] [2021-03-24 22:39:07,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712786689] [2021-03-24 22:39:07,773 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 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 22:39:07,790 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-24 22:39:07,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:39:07,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:39:07,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:39:07,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:07,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:07,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:07,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:07,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:07,831 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:39:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:07,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:07,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:07,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:07,847 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:39:07,847 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 22:39:07,848 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-24 22:39:07,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:39:07,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:39:07,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:39:07,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:39:07,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:39:07,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:39:07,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:39:07,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:39:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:39:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:39:07,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:39:07,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:39:07,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:07,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:39:07,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:39:07,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,919 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:39:07,920 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:07,920 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:39:07,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:07,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:07,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:07,952 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-24 22:39:07,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:39:07,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:07,980 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:39:07,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:39:07,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:07,982 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:39:07,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:07,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:07,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:07,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:07,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:07,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:07,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:07,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:39:07,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:39:07,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:39:07,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133887069] [2021-03-24 22:39:07,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:39:07,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:39:07,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:39:07,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:39:07,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:39:07,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 1754 transitions, 68083 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:07,987 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:39:07,987 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:39:07,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:39:12,132 INFO L129 PetriNetUnfolder]: 1653/4233 cut-off events. [2021-03-24 22:39:12,133 INFO L130 PetriNetUnfolder]: For 530210/530210 co-relation queries the response was YES. [2021-03-24 22:39:12,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84511 conditions, 4233 events. 1653/4233 cut-off events. For 530210/530210 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 39200 event pairs, 10 based on Foata normal form. 16/4249 useless extension candidates. Maximal degree in co-relation 84172. Up to 2091 conditions per place. [2021-03-24 22:39:12,223 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 996 selfloop transitions, 964 changer transitions 2/1966 dead transitions. [2021-03-24 22:39:12,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 1966 transitions, 80888 flow [2021-03-24 22:39:12,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-24 22:39:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-24 22:39:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 318 transitions. [2021-03-24 22:39:12,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40664961636828645 [2021-03-24 22:39:12,224 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 318 transitions. [2021-03-24 22:39:12,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 318 transitions. [2021-03-24 22:39:12,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:39:12,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 318 transitions. [2021-03-24 22:39:12,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 13.826086956521738) internal successors, (318), 23 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:12,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 34.0) internal successors, (816), 24 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:12,225 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 34.0) internal successors, (816), 24 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:12,225 INFO L185 Difference]: Start difference. First operand has 601 places, 1754 transitions, 68083 flow. Second operand 23 states and 318 transitions. [2021-03-24 22:39:12,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 1966 transitions, 80888 flow [2021-03-24 22:39:16,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 610 places, 1966 transitions, 80397 flow, removed 200 selfloop flow, removed 8 redundant places. [2021-03-24 22:39:16,801 INFO L241 Difference]: Finished difference. Result has 617 places, 1809 transitions, 73740 flow [2021-03-24 22:39:16,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=67539, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1751, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=909, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=828, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=73740, PETRI_PLACES=617, PETRI_TRANSITIONS=1809} [2021-03-24 22:39:16,803 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 600 predicate places. [2021-03-24 22:39:16,803 INFO L480 AbstractCegarLoop]: Abstraction has has 617 places, 1809 transitions, 73740 flow [2021-03-24 22:39:16,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:16,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:39:16,803 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:39:17,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-03-24 22:39:17,016 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:39:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:39:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash 769565435, now seen corresponding path program 30 times [2021-03-24 22:39:17,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:39:17,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010724853] [2021-03-24 22:39:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:39:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:39:17,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,038 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:39:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:39:17,046 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:39:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:39:17,062 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:39:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:39:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:39:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:39:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:39:17,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:39:17,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:39:17,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010724853] [2021-03-24 22:39:17,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770414050] [2021-03-24 22:39:17,112 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 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 22:39:17,134 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-24 22:39:17,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:39:17,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:39:17,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:39:17,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:17,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:17,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:17,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:17,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:17,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:17,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:17,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:17,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:17,216 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-24 22:39:17,217 INFO L147 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size 16 [2021-03-24 22:39:17,217 INFO L142 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size [2021-03-24 22:39:17,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:39:17,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:39:17,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:39:17,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:39:17,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:39:17,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:39:17,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:39:17,256 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-24 22:39:17,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:39:17,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:17,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:39:17,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:39:17,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:39:17,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:39:17,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,298 INFO L147 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size 26 [2021-03-24 22:39:17,298 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:39:17,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:17,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:39:17,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:39:17,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:17,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:17,315 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:39:17,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:39:17,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:17,317 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:39:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:17,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:39:17,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:39:17,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:39:17,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022246646] [2021-03-24 22:39:17,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:39:17,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:39:17,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:39:17,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:39:17,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:39:17,324 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 1809 transitions, 73740 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:17,324 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:39:17,324 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:39:17,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:39:22,661 INFO L129 PetriNetUnfolder]: 1853/4708 cut-off events. [2021-03-24 22:39:22,661 INFO L130 PetriNetUnfolder]: For 633532/633534 co-relation queries the response was YES. [2021-03-24 22:39:22,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98009 conditions, 4708 events. 1853/4708 cut-off events. For 633532/633534 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 43730 event pairs, 13 based on Foata normal form. 54/4762 useless extension candidates. Maximal degree in co-relation 97729. Up to 2126 conditions per place. [2021-03-24 22:39:22,781 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 1054 selfloop transitions, 1105 changer transitions 14/2177 dead transitions. [2021-03-24 22:39:22,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 2177 transitions, 92972 flow [2021-03-24 22:39:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-24 22:39:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-03-24 22:39:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 547 transitions. [2021-03-24 22:39:22,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39239598278335724 [2021-03-24 22:39:22,782 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 547 transitions. [2021-03-24 22:39:22,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 547 transitions. [2021-03-24 22:39:22,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:39:22,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 547 transitions. [2021-03-24 22:39:22,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 13.341463414634147) internal successors, (547), 41 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:22,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 34.0) internal successors, (1428), 42 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:22,784 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 34.0) internal successors, (1428), 42 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:22,784 INFO L185 Difference]: Start difference. First operand has 617 places, 1809 transitions, 73740 flow. Second operand 41 states and 547 transitions. [2021-03-24 22:39:22,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 2177 transitions, 92972 flow [2021-03-24 22:39:28,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 2177 transitions, 92568 flow, removed 137 selfloop flow, removed 13 redundant places. [2021-03-24 22:39:28,842 INFO L241 Difference]: Finished difference. Result has 661 places, 1980 transitions, 85398 flow [2021-03-24 22:39:28,844 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=72840, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1797, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=932, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=815, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=85398, PETRI_PLACES=661, PETRI_TRANSITIONS=1980} [2021-03-24 22:39:28,844 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 644 predicate places. [2021-03-24 22:39:28,844 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 1980 transitions, 85398 flow [2021-03-24 22:39:28,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:28,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:39:28,844 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:39:29,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-03-24 22:39:29,045 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:39:29,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:39:29,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1359594849, now seen corresponding path program 31 times [2021-03-24 22:39:29,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:39:29,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046667324] [2021-03-24 22:39:29,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:39:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:39:29,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,076 INFO L142 QuantifierPusher]: treesize reduction 39, result has 31.6 percent of original size [2021-03-24 22:39:29,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:29,087 INFO L142 QuantifierPusher]: treesize reduction 37, result has 35.1 percent of original size [2021-03-24 22:39:29,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:39:29,098 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 22:39:29,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:29,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:39:29,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:39:29,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:29,127 INFO L142 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size [2021-03-24 22:39:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:29,137 INFO L142 QuantifierPusher]: treesize reduction 5, result has 61.5 percent of original size [2021-03-24 22:39:29,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:29,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:39:29,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046667324] [2021-03-24 22:39:29,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535096252] [2021-03-24 22:39:29,149 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:39:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:39:29,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-24 22:39:29,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:39:29,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:39:29,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:39:29,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:39:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:39:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:39:29,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:29,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:39:29,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:39:29,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:39:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:39:29,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:39:29,191 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:39:29,191 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:39:29,192 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:39:29,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:39:29,216 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-24 22:39:29,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:39:29,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:39:29,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 22:39:29,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:39:29,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 22:39:29,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:39:29,250 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:39:29,250 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:39:29,251 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:39:29,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:39:29,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:39:29,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:39:29,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:39:29,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:39:29,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:39:29,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:29,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:39:29,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:29,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,298 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:39:29,298 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:39:29,299 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 22:39:29,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-24 22:39:29,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 22:39:29,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 22:39:29,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 22:39:29,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 22:39:29,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,338 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2021-03-24 22:39:29,338 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:39:29,339 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,339 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:39:29,340 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:29,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:39:29,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 22:39:29,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 22:39:29,344 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:39:29,344 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:29,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:39:29,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 22:39:29,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 22:39:29,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-24 22:39:29,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:39:29,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:39:29,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:39:29,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:39:29,359 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-03-24 22:39:29,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:39:29,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:39:29,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:39:29,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:39:29,368 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2021-03-24 22:39:29,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:39:29,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:39:29,370 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:39:29,407 INFO L628 ElimStorePlain]: treesize reduction 79, result has 35.2 percent of original size [2021-03-24 22:39:29,407 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:39:29,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:39:29,410 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 23 treesize of output 15 [2021-03-24 22:39:29,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,412 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 22:39:29,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,425 INFO L518 ElimStorePlain]: Eliminatee v_prenex_18 vanished before elimination [2021-03-24 22:39:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:29,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 22:39:29,426 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:169, output treesize:21 [2021-03-24 22:39:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:29,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:29,449 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 22:39:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:39:29,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:39:29,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:29,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,452 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-24 22:39:29,458 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,458 INFO L142 QuantifierPusher]: treesize reduction 14, result has 81.8 percent of original size [2021-03-24 22:39:29,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:29,461 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:39:29,462 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:29,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:29,465 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:39:29,466 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:29,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:29,467 INFO L147 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size 8 [2021-03-24 22:39:29,468 INFO L147 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size 8 [2021-03-24 22:39:29,468 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-24 22:39:29,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:29,469 INFO L142 QuantifierPusher]: treesize reduction 16, result has 5.9 percent of original size [2021-03-24 22:39:29,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:29,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:39:29,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:39:29,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 22:39:29,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355148295] [2021-03-24 22:39:29,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 22:39:29,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:39:29,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 22:39:29,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-03-24 22:39:29,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:39:29,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 1980 transitions, 85398 flow. Second operand has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:29,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:39:29,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:39:29,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:39:36,492 INFO L129 PetriNetUnfolder]: 2086/5272 cut-off events. [2021-03-24 22:39:36,493 INFO L130 PetriNetUnfolder]: For 786121/786121 co-relation queries the response was YES. [2021-03-24 22:39:36,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115353 conditions, 5272 events. 2086/5272 cut-off events. For 786121/786121 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 49655 event pairs, 78 based on Foata normal form. 28/5300 useless extension candidates. Maximal degree in co-relation 115058. Up to 2462 conditions per place. [2021-03-24 22:39:36,621 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 1333 selfloop transitions, 983 changer transitions 34/2354 dead transitions. [2021-03-24 22:39:36,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 2354 transitions, 107452 flow [2021-03-24 22:39:36,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 22:39:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 22:39:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 368 transitions. [2021-03-24 22:39:36,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4008714596949891 [2021-03-24 22:39:36,623 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 368 transitions. [2021-03-24 22:39:36,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 368 transitions. [2021-03-24 22:39:36,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:39:36,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 368 transitions. [2021-03-24 22:39:36,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.62962962962963) internal successors, (368), 27 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:36,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:36,624 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:36,624 INFO L185 Difference]: Start difference. First operand has 661 places, 1980 transitions, 85398 flow. Second operand 27 states and 368 transitions. [2021-03-24 22:39:36,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 2354 transitions, 107452 flow [2021-03-24 22:39:43,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 2354 transitions, 106640 flow, removed 348 selfloop flow, removed 17 redundant places. [2021-03-24 22:39:43,279 INFO L241 Difference]: Finished difference. Result has 682 places, 2205 transitions, 99273 flow [2021-03-24 22:39:43,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=83852, PETRI_DIFFERENCE_MINUEND_PLACES=638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=775, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=99273, PETRI_PLACES=682, PETRI_TRANSITIONS=2205} [2021-03-24 22:39:43,282 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 665 predicate places. [2021-03-24 22:39:43,282 INFO L480 AbstractCegarLoop]: Abstraction has has 682 places, 2205 transitions, 99273 flow [2021-03-24 22:39:43,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:43,282 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:39:43,282 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:39:43,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:39:43,496 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:39:43,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:39:43,496 INFO L82 PathProgramCache]: Analyzing trace with hash -306752531, now seen corresponding path program 32 times [2021-03-24 22:39:43,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:39:43,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969213816] [2021-03-24 22:39:43,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:39:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:39:43,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,513 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:39:43,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:39:43,520 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:39:43,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:39:43,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 22:39:43,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:43,536 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:39:43,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:39:43,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:43,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:39:43,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:39:43,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:39:43,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969213816] [2021-03-24 22:39:43,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294583455] [2021-03-24 22:39:43,576 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:39:43,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:39:43,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:39:43,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:39:43,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:39:43,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:39:43,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:39:43,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:39:43,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:43,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:43,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:43,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:39:43,686 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-24 22:39:43,686 INFO L147 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size 16 [2021-03-24 22:39:43,687 INFO L142 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size [2021-03-24 22:39:43,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:39:43,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:39:43,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:39:43,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:43,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:43,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:43,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:39:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:39:43,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:39:43,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:39:43,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:39:43,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:39:43,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:43,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:39:43,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:39:43,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,756 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:39:43,756 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:43,757 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:39:43,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:43,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:43,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:39:43,784 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-24 22:39:43,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:39:43,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:39:43,804 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:39:43,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:39:43,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:39:43,805 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:39:43,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:39:43,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:39:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:39:43,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:39:43,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:39:43,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395156085] [2021-03-24 22:39:43,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:39:43,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:39:43,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:39:43,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:39:43,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:39:43,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 2205 transitions, 99273 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:43,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:39:43,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:39:43,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:39:51,374 INFO L129 PetriNetUnfolder]: 2392/5956 cut-off events. [2021-03-24 22:39:51,374 INFO L130 PetriNetUnfolder]: For 991736/991736 co-relation queries the response was YES. [2021-03-24 22:39:51,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137063 conditions, 5956 events. 2392/5956 cut-off events. For 991736/991736 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 56180 event pairs, 27 based on Foata normal form. 48/6004 useless extension candidates. Maximal degree in co-relation 136780. Up to 2767 conditions per place. [2021-03-24 22:39:51,525 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 1434 selfloop transitions, 1373 changer transitions 4/2815 dead transitions. [2021-03-24 22:39:51,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 698 places, 2815 transitions, 134196 flow [2021-03-24 22:39:51,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-24 22:39:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-24 22:39:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 329 transitions. [2021-03-24 22:39:51,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40318627450980393 [2021-03-24 22:39:51,527 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 329 transitions. [2021-03-24 22:39:51,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 329 transitions. [2021-03-24 22:39:51,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:39:51,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 329 transitions. [2021-03-24 22:39:51,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 13.708333333333334) internal successors, (329), 24 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:51,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:51,528 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:39:51,528 INFO L185 Difference]: Start difference. First operand has 682 places, 2205 transitions, 99273 flow. Second operand 24 states and 329 transitions. [2021-03-24 22:39:51,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 698 places, 2815 transitions, 134196 flow [2021-03-24 22:40:01,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 2815 transitions, 131336 flow, removed 1410 selfloop flow, removed 6 redundant places. [2021-03-24 22:40:01,512 INFO L241 Difference]: Finished difference. Result has 702 places, 2512 transitions, 117157 flow [2021-03-24 22:40:01,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=96338, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1028, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=117157, PETRI_PLACES=702, PETRI_TRANSITIONS=2512} [2021-03-24 22:40:01,514 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 685 predicate places. [2021-03-24 22:40:01,514 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 2512 transitions, 117157 flow [2021-03-24 22:40:01,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:01,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:40:01,515 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:40:01,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-03-24 22:40:01,728 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:40:01,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:40:01,728 INFO L82 PathProgramCache]: Analyzing trace with hash 242078747, now seen corresponding path program 33 times [2021-03-24 22:40:01,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:40:01,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372874064] [2021-03-24 22:40:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:40:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:40:01,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,746 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:40:01,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,752 INFO L142 QuantifierPusher]: treesize reduction 6, result has 45.5 percent of original size [2021-03-24 22:40:01,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:40:01,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:40:01,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:40:01,763 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:40:01,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:40:01,769 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-24 22:40:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:40:01,778 INFO L142 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size [2021-03-24 22:40:01,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:40:01,787 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-03-24 22:40:01,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:40:01,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:40:01,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372874064] [2021-03-24 22:40:01,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914461953] [2021-03-24 22:40:01,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:40:01,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-24 22:40:01,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:40:01,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:40:01,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:40:01,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:01,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:01,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:01,870 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:40:01,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:01,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:01,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:01,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:01,887 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:40:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:40:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:40:01,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:40:01,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:40:01,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:01,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:01,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:01,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:01,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:40:01,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:40:01,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:40:01,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:40:01,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:40:01,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:01,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:40:01,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:40:01,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,954 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:40:01,955 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:01,955 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:40:01,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:40:01,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:40:01,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:40:01,983 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-24 22:40:01,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:40:01,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:01,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:01,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:01,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:02,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:02,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:02,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:02,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:02,004 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:40:02,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:40:02,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:02,006 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:40:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:40:02,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:40:02,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:40:02,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989215365] [2021-03-24 22:40:02,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:40:02,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:40:02,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:40:02,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:40:02,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:40:02,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 2512 transitions, 117157 flow. Second operand has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:02,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:40:02,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:40:02,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:40:11,253 INFO L129 PetriNetUnfolder]: 2443/6113 cut-off events. [2021-03-24 22:40:11,253 INFO L130 PetriNetUnfolder]: For 998094/998094 co-relation queries the response was YES. [2021-03-24 22:40:11,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142416 conditions, 6113 events. 2443/6113 cut-off events. For 998094/998094 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 58588 event pairs, 13 based on Foata normal form. 16/6129 useless extension candidates. Maximal degree in co-relation 142091. Up to 3247 conditions per place. [2021-03-24 22:40:11,412 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 1473 selfloop transitions, 1320 changer transitions 4/2801 dead transitions. [2021-03-24 22:40:11,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 727 places, 2801 transitions, 137012 flow [2021-03-24 22:40:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 22:40:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 22:40:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 365 transitions. [2021-03-24 22:40:11,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39760348583877997 [2021-03-24 22:40:11,413 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 365 transitions. [2021-03-24 22:40:11,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 365 transitions. [2021-03-24 22:40:11,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:40:11,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 365 transitions. [2021-03-24 22:40:11,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.518518518518519) internal successors, (365), 27 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:11,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:11,415 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:11,415 INFO L185 Difference]: Start difference. First operand has 702 places, 2512 transitions, 117157 flow. Second operand 27 states and 365 transitions. [2021-03-24 22:40:11,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 727 places, 2801 transitions, 137012 flow [2021-03-24 22:40:21,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 2801 transitions, 136520 flow, removed 217 selfloop flow, removed 8 redundant places. [2021-03-24 22:40:21,847 INFO L241 Difference]: Finished difference. Result has 726 places, 2573 transitions, 124785 flow [2021-03-24 22:40:21,849 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=116678, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=124785, PETRI_PLACES=726, PETRI_TRANSITIONS=2573} [2021-03-24 22:40:21,849 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 709 predicate places. [2021-03-24 22:40:21,849 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 2573 transitions, 124785 flow [2021-03-24 22:40:21,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:21,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:40:21,849 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:40:22,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-03-24 22:40:22,050 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:40:22,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:40:22,050 INFO L82 PathProgramCache]: Analyzing trace with hash -258818327, now seen corresponding path program 34 times [2021-03-24 22:40:22,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:40:22,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974505132] [2021-03-24 22:40:22,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:40:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:40:22,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,068 INFO L142 QuantifierPusher]: treesize reduction 39, result has 31.6 percent of original size [2021-03-24 22:40:22,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:22,078 INFO L142 QuantifierPusher]: treesize reduction 38, result has 30.9 percent of original size [2021-03-24 22:40:22,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:40:22,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:40:22,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:40:22,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:40:22,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:40:22,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:40:22,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:40:22,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974505132] [2021-03-24 22:40:22,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868294126] [2021-03-24 22:40:22,138 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:40:22,153 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 22:40:22,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:40:22,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:40:22,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:40:22,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:22,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:22,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:22,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:22,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:22,194 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:40:22,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:22,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:22,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:22,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:22,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:22,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:22,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:22,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:22,235 INFO L142 QuantifierPusher]: treesize reduction 22, result has 72.8 percent of original size [2021-03-24 22:40:22,236 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-24 22:40:22,236 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-24 22:40:22,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:40:22,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:40:22,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:40:22,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:40:22,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:40:22,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:40:22,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:40:22,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:40:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:22,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:40:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:40:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,293 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:40:22,294 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:22,294 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:40:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:40:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:40:22,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:40:22,319 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-24 22:40:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:40:22,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:22,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:22,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:22,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:22,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:22,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:22,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:22,341 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:40:22,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:40:22,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:22,343 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:40:22,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:22,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:40:22,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:40:22,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:40:22,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497331312] [2021-03-24 22:40:22,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:40:22,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:40:22,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:40:22,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:40:22,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:40:22,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 2573 transitions, 124785 flow. Second operand has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:22,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:40:22,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:40:22,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:40:32,369 INFO L129 PetriNetUnfolder]: 2629/6601 cut-off events. [2021-03-24 22:40:32,369 INFO L130 PetriNetUnfolder]: For 1178459/1178459 co-relation queries the response was YES. [2021-03-24 22:40:32,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159255 conditions, 6601 events. 2629/6601 cut-off events. For 1178459/1178459 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 64383 event pairs, 21 based on Foata normal form. 35/6636 useless extension candidates. Maximal degree in co-relation 158939. Up to 3200 conditions per place. [2021-03-24 22:40:32,552 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 1585 selfloop transitions, 1374 changer transitions 4/2967 dead transitions. [2021-03-24 22:40:32,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 752 places, 2967 transitions, 150792 flow [2021-03-24 22:40:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 22:40:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 22:40:32,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 392 transitions. [2021-03-24 22:40:32,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42701525054466233 [2021-03-24 22:40:32,559 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 392 transitions. [2021-03-24 22:40:32,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 392 transitions. [2021-03-24 22:40:32,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:40:32,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 392 transitions. [2021-03-24 22:40:32,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 14.518518518518519) internal successors, (392), 27 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:32,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:32,561 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:32,561 INFO L185 Difference]: Start difference. First operand has 726 places, 2573 transitions, 124785 flow. Second operand 27 states and 392 transitions. [2021-03-24 22:40:32,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 752 places, 2967 transitions, 150792 flow [2021-03-24 22:40:44,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 735 places, 2967 transitions, 148460 flow, removed 383 selfloop flow, removed 17 redundant places. [2021-03-24 22:40:44,623 INFO L241 Difference]: Finished difference. Result has 749 places, 2722 transitions, 135801 flow [2021-03-24 22:40:44,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=122714, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=135801, PETRI_PLACES=749, PETRI_TRANSITIONS=2722} [2021-03-24 22:40:44,625 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 732 predicate places. [2021-03-24 22:40:44,625 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 2722 transitions, 135801 flow [2021-03-24 22:40:44,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:44,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:40:44,625 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:40:44,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2021-03-24 22:40:44,826 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:40:44,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:40:44,826 INFO L82 PathProgramCache]: Analyzing trace with hash 303839855, now seen corresponding path program 35 times [2021-03-24 22:40:44,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:40:44,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224727399] [2021-03-24 22:40:44,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:40:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:40:44,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,842 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:40:44,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:40:44,851 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:40:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:40:44,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:40:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:44,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:40:44,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:40:44,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:40:44,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:40:44,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224727399] [2021-03-24 22:40:44,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591378685] [2021-03-24 22:40:44,916 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:40:44,933 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 22:40:44,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:40:44,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:40:44,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:40:44,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:40:44,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:40:44,986 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:40:44,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:44,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:44,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:44,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:40:45,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:45,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:45,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:45,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:45,036 INFO L142 QuantifierPusher]: treesize reduction 22, result has 72.8 percent of original size [2021-03-24 22:40:45,036 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-24 22:40:45,037 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-24 22:40:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:40:45,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:40:45,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:40:45,062 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-24 22:40:45,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 22:40:45,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:45,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:40:45,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 22:40:45,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,065 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:40:45,065 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:40:45,069 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,070 INFO L147 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size 34 [2021-03-24 22:40:45,070 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size [2021-03-24 22:40:45,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:40:45,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:40:45,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:40:45,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:40:45,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:40:45,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:45,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:45,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:40:45,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:40:45,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,127 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-24 22:40:45,129 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:45,129 INFO L142 QuantifierPusher]: treesize reduction 23, result has 81.3 percent of original size [2021-03-24 22:40:45,130 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:40:45,130 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:45,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:40:45,135 INFO L147 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size 24 [2021-03-24 22:40:45,136 INFO L147 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size 24 [2021-03-24 22:40:45,136 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-24 22:40:45,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:40:45,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-03-24 22:40:45,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:40:45,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:40:45,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:40:45,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:40:45,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:40:45,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:40:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:40:45,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:40:45,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:40:45,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643534983] [2021-03-24 22:40:45,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:40:45,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:40:45,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:40:45,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:40:45,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:40:45,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 2722 transitions, 135801 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:45,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:40:45,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:40:45,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:40:56,024 INFO L129 PetriNetUnfolder]: 2661/6678 cut-off events. [2021-03-24 22:40:56,024 INFO L130 PetriNetUnfolder]: For 1267370/1267370 co-relation queries the response was YES. [2021-03-24 22:40:56,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167264 conditions, 6678 events. 2661/6678 cut-off events. For 1267370/1267370 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 64899 event pairs, 87 based on Foata normal form. 8/6686 useless extension candidates. Maximal degree in co-relation 166841. Up to 4248 conditions per place. [2021-03-24 22:40:56,343 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 2290 selfloop transitions, 506 changer transitions 31/2831 dead transitions. [2021-03-24 22:40:56,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 782 places, 2831 transitions, 148008 flow [2021-03-24 22:40:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-24 22:40:56,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-03-24 22:40:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 444 transitions. [2021-03-24 22:40:56,344 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38408304498269896 [2021-03-24 22:40:56,344 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 444 transitions. [2021-03-24 22:40:56,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 444 transitions. [2021-03-24 22:40:56,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:40:56,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 444 transitions. [2021-03-24 22:40:56,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 13.058823529411764) internal successors, (444), 34 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 22:40:56,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 34.0) internal successors, (1190), 35 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:56,347 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 34.0) internal successors, (1190), 35 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:40:56,347 INFO L185 Difference]: Start difference. First operand has 749 places, 2722 transitions, 135801 flow. Second operand 34 states and 444 transitions. [2021-03-24 22:40:56,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 782 places, 2831 transitions, 148008 flow [2021-03-24 22:41:10,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 2831 transitions, 146968 flow, removed 475 selfloop flow, removed 9 redundant places. [2021-03-24 22:41:10,443 INFO L241 Difference]: Finished difference. Result has 785 places, 2748 transitions, 138894 flow [2021-03-24 22:41:10,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=135076, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2722, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=468, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=138894, PETRI_PLACES=785, PETRI_TRANSITIONS=2748} [2021-03-24 22:41:10,445 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 768 predicate places. [2021-03-24 22:41:10,445 INFO L480 AbstractCegarLoop]: Abstraction has has 785 places, 2748 transitions, 138894 flow [2021-03-24 22:41:10,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:10,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:41:10,445 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:41:10,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-03-24 22:41:10,656 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:41:10,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:41:10,656 INFO L82 PathProgramCache]: Analyzing trace with hash 246056925, now seen corresponding path program 36 times [2021-03-24 22:41:10,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:41:10,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006845462] [2021-03-24 22:41:10,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:41:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:41:10,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,681 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:41:10,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,687 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:41:10,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:41:10,694 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:41:10,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:41:10,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:41:10,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:41:10,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:41:10,734 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-03-24 22:41:10,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:41:10,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:41:10,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006845462] [2021-03-24 22:41:10,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322625902] [2021-03-24 22:41:10,746 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:41:10,774 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-24 22:41:10,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:41:10,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:41:10,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:41:10,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:10,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:10,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:10,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:10,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:10,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:41:10,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:41:10,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:41:10,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:41:10,839 INFO L142 QuantifierPusher]: treesize reduction 37, result has 30.2 percent of original size [2021-03-24 22:41:10,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:41:10,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:41:10,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:41:10,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:41:10,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:41:10,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:41:10,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:41:10,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:41:10,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:41:10,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:41:10,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:41:10,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:41:10,902 INFO L142 QuantifierPusher]: treesize reduction 17, result has 64.6 percent of original size [2021-03-24 22:41:10,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:10,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:41:10,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:41:10,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:41:10,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:41:10,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:41:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:41:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:41:10,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,923 INFO L147 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size 26 [2021-03-24 22:41:10,923 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:41:10,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:41:10,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:41:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:41:10,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:41:10,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:41:10,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:41:10,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:41:10,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:41:10,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:41:10,942 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:41:10,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:41:10,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:41:10,958 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:41:10,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:10,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:41:10,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:41:10,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:41:10,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504513421] [2021-03-24 22:41:10,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:41:10,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:41:10,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:41:10,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:41:10,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:41:10,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 785 places, 2748 transitions, 138894 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:10,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:41:10,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:41:10,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:41:22,108 INFO L129 PetriNetUnfolder]: 2853/7087 cut-off events. [2021-03-24 22:41:22,108 INFO L130 PetriNetUnfolder]: For 1394215/1394215 co-relation queries the response was YES. [2021-03-24 22:41:22,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179602 conditions, 7087 events. 2853/7087 cut-off events. For 1394215/1394215 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 69409 event pairs, 21 based on Foata normal form. 37/7124 useless extension candidates. Maximal degree in co-relation 179167. Up to 3697 conditions per place. [2021-03-24 22:41:22,418 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1790 selfloop transitions, 1415 changer transitions 9/3218 dead transitions. [2021-03-24 22:41:22,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 811 places, 3218 transitions, 168281 flow [2021-03-24 22:41:22,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-24 22:41:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-24 22:41:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 445 transitions. [2021-03-24 22:41:22,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40900735294117646 [2021-03-24 22:41:22,420 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 445 transitions. [2021-03-24 22:41:22,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 445 transitions. [2021-03-24 22:41:22,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:41:22,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 445 transitions. [2021-03-24 22:41:22,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 13.90625) internal successors, (445), 32 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:22,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 34.0) internal successors, (1122), 33 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:22,422 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 34.0) internal successors, (1122), 33 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:22,422 INFO L185 Difference]: Start difference. First operand has 785 places, 2748 transitions, 138894 flow. Second operand 32 states and 445 transitions. [2021-03-24 22:41:22,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 811 places, 3218 transitions, 168281 flow [2021-03-24 22:41:37,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 802 places, 3218 transitions, 166708 flow, removed 489 selfloop flow, removed 9 redundant places. [2021-03-24 22:41:37,915 INFO L241 Difference]: Finished difference. Result has 820 places, 2923 transitions, 151418 flow [2021-03-24 22:41:37,917 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=137254, PETRI_DIFFERENCE_MINUEND_PLACES=771, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2744, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1241, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=151418, PETRI_PLACES=820, PETRI_TRANSITIONS=2923} [2021-03-24 22:41:37,917 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 803 predicate places. [2021-03-24 22:41:37,917 INFO L480 AbstractCegarLoop]: Abstraction has has 820 places, 2923 transitions, 151418 flow [2021-03-24 22:41:37,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:37,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:41:37,917 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:41:38,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:41:38,118 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:41:38,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:41:38,118 INFO L82 PathProgramCache]: Analyzing trace with hash 912815821, now seen corresponding path program 37 times [2021-03-24 22:41:38,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:41:38,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051023676] [2021-03-24 22:41:38,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:41:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:41:38,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,135 INFO L142 QuantifierPusher]: treesize reduction 39, result has 31.6 percent of original size [2021-03-24 22:41:38,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:41:38,145 INFO L142 QuantifierPusher]: treesize reduction 38, result has 30.9 percent of original size [2021-03-24 22:41:38,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:41:38,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:41:38,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:41:38,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:41:38,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:41:38,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:41:38,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:41:38,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051023676] [2021-03-24 22:41:38,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30927316] [2021-03-24 22:41:38,214 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 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 22:41:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:41:38,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:41:38,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:41:38,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:41:38,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,282 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:41:38,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:41:38,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:41:38,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:41:38,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:41:38,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:41:38,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:41:38,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:41:38,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:41:38,332 INFO L142 QuantifierPusher]: treesize reduction 22, result has 72.8 percent of original size [2021-03-24 22:41:38,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:41:38,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:41:38,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:41:38,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:41:38,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:41:38,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:41:38,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:41:38,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:41:38,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:41:38,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:41:38,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:41:38,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:41:38,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,400 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:41:38,401 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:41:38,402 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:41:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:41:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:41:38,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:41:38,430 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 22:41:38,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:41:38,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:41:38,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:41:38,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:41:38,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,433 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2021-03-24 22:41:38,433 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:41:38,434 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:41:38,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:41:38,455 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:41:38,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:41:38,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:41:38,457 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:41:38,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:41:38,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:41:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:41:38,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:41:38,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:41:38,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870146111] [2021-03-24 22:41:38,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:41:38,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:41:38,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:41:38,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:41:38,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:41:38,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 820 places, 2923 transitions, 151418 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:38,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:41:38,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:41:38,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:41:50,811 INFO L129 PetriNetUnfolder]: 2844/7039 cut-off events. [2021-03-24 22:41:50,811 INFO L130 PetriNetUnfolder]: For 1407242/1407244 co-relation queries the response was YES. [2021-03-24 22:41:50,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182417 conditions, 7039 events. 2844/7039 cut-off events. For 1407242/1407244 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 68563 event pairs, 89 based on Foata normal form. 11/7050 useless extension candidates. Maximal degree in co-relation 181966. Up to 4195 conditions per place. [2021-03-24 22:41:51,025 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 2386 selfloop transitions, 631 changer transitions 6/3027 dead transitions. [2021-03-24 22:41:51,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 3027 transitions, 163172 flow [2021-03-24 22:41:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-24 22:41:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-24 22:41:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 350 transitions. [2021-03-24 22:41:51,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4117647058823529 [2021-03-24 22:41:51,026 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 350 transitions. [2021-03-24 22:41:51,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 350 transitions. [2021-03-24 22:41:51,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:41:51,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 350 transitions. [2021-03-24 22:41:51,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 14.0) internal successors, (350), 25 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 22:41:51,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 34.0) internal successors, (884), 26 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:51,027 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 34.0) internal successors, (884), 26 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:41:51,027 INFO L185 Difference]: Start difference. First operand has 820 places, 2923 transitions, 151418 flow. Second operand 25 states and 350 transitions. [2021-03-24 22:41:51,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 3027 transitions, 163172 flow [2021-03-24 22:42:06,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 3027 transitions, 162174 flow, removed 301 selfloop flow, removed 5 redundant places. [2021-03-24 22:42:06,648 INFO L241 Difference]: Finished difference. Result has 839 places, 2949 transitions, 153683 flow [2021-03-24 22:42:06,650 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=149556, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2907, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=591, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=153683, PETRI_PLACES=839, PETRI_TRANSITIONS=2949} [2021-03-24 22:42:06,650 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 822 predicate places. [2021-03-24 22:42:06,650 INFO L480 AbstractCegarLoop]: Abstraction has has 839 places, 2949 transitions, 153683 flow [2021-03-24 22:42:06,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:42:06,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:42:06,651 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:42:06,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-03-24 22:42:06,851 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:42:06,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:42:06,852 INFO L82 PathProgramCache]: Analyzing trace with hash 775404421, now seen corresponding path program 38 times [2021-03-24 22:42:06,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:42:06,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751988166] [2021-03-24 22:42:06,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:42:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:42:06,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,870 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:42:06,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:42:06,878 INFO L142 QuantifierPusher]: treesize reduction 34, result has 24.4 percent of original size [2021-03-24 22:42:06,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:42:06,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:42:06,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:06,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:42:06,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:42:06,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:42:06,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:42:06,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751988166] [2021-03-24 22:42:06,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67523107] [2021-03-24 22:42:06,944 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 22:42:06,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:42:06,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:42:06,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-24 22:42:06,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:42:06,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:06,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:42:06,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:42:06,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:42:06,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:06,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:42:07,013 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-03-24 22:42:07,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:07,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:07,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:07,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:07,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:07,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:42:07,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:42:07,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:42:07,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:42:07,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:42:07,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,063 INFO L147 QuantifierPusher]: treesize reduction 22, result has 63.3 percent of original size 38 [2021-03-24 22:42:07,064 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.3 percent of original size [2021-03-24 22:42:07,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:42:07,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:42:07,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:42:07,094 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-24 22:42:07,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:42:07,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:42:07,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:42:07,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:42:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:42:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:42:07,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:42:07,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:42:07,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 22:42:07,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:07,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:07,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:07,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:07,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:07,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:07,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:07,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,198 INFO L147 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size 50 [2021-03-24 22:42:07,199 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.9 percent of original size [2021-03-24 22:42:07,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:07,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:42:07,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 22:42:07,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,201 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:42:07,202 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:07,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:07,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:42:07,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:42:07,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-24 22:42:07,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:42:07,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:07,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 22:42:07,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:42:07,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:07,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,232 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:42:07,233 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:07,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:07,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:07,235 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:42:07,235 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:07,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:42:07,238 INFO L147 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size 1 [2021-03-24 22:42:07,238 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:42:07,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:07,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:07,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:07,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:07,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:07,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:07,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:07,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:42:07,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:42:07,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2021-03-24 22:42:07,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248992029] [2021-03-24 22:42:07,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 22:42:07,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:42:07,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 22:42:07,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2021-03-24 22:42:07,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:42:07,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 839 places, 2949 transitions, 153683 flow. Second operand has 19 states, 19 states have (on average 11.421052631578947) internal successors, (217), 19 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 22:42:07,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:42:07,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:42:07,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:42:21,184 INFO L129 PetriNetUnfolder]: 3098/7666 cut-off events. [2021-03-24 22:42:21,184 INFO L130 PetriNetUnfolder]: For 1623000/1623002 co-relation queries the response was YES. [2021-03-24 22:42:21,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200936 conditions, 7666 events. 3098/7666 cut-off events. For 1623000/1623002 co-relation queries the response was YES. Maximal size of possible extension queue 622. Compared 75853 event pairs, 25 based on Foata normal form. 69/7735 useless extension candidates. Maximal degree in co-relation 200480. Up to 3657 conditions per place. [2021-03-24 22:42:21,418 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1870 selfloop transitions, 1554 changer transitions 7/3435 dead transitions. [2021-03-24 22:42:21,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 862 places, 3435 transitions, 186886 flow [2021-03-24 22:42:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-24 22:42:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-24 22:42:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 414 transitions. [2021-03-24 22:42:21,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40588235294117647 [2021-03-24 22:42:21,419 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 414 transitions. [2021-03-24 22:42:21,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 414 transitions. [2021-03-24 22:42:21,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:42:21,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 414 transitions. [2021-03-24 22:42:21,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 13.8) internal successors, (414), 30 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 22:42:21,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 34.0) internal successors, (1054), 31 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:42:21,420 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 34.0) internal successors, (1054), 31 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:42:21,420 INFO L185 Difference]: Start difference. First operand has 839 places, 2949 transitions, 153683 flow. Second operand 30 states and 414 transitions. [2021-03-24 22:42:21,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 862 places, 3435 transitions, 186886 flow [2021-03-24 22:42:38,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 845 places, 3435 transitions, 183299 flow, removed 1126 selfloop flow, removed 17 redundant places. [2021-03-24 22:42:38,605 INFO L241 Difference]: Finished difference. Result has 859 places, 3164 transitions, 169293 flow [2021-03-24 22:42:38,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=150773, PETRI_DIFFERENCE_MINUEND_PLACES=816, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1334, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=169293, PETRI_PLACES=859, PETRI_TRANSITIONS=3164} [2021-03-24 22:42:38,607 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 842 predicate places. [2021-03-24 22:42:38,607 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 3164 transitions, 169293 flow [2021-03-24 22:42:38,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.421052631578947) internal successors, (217), 19 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 22:42:38,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:42:38,607 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:42:38,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-03-24 22:42:38,808 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:42:38,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:42:38,808 INFO L82 PathProgramCache]: Analyzing trace with hash 113299601, now seen corresponding path program 39 times [2021-03-24 22:42:38,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:42:38,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613545129] [2021-03-24 22:42:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:42:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:42:38,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,841 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:42:38,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:42:38,849 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:42:38,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:42:38,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:42:38,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:42:38,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:42:38,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:42:38,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:42:38,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613545129] [2021-03-24 22:42:38,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848878666] [2021-03-24 22:42:38,902 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 22:42:38,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-24 22:42:38,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:42:38,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:42:38,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:42:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:42:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:42:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:42:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:42:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:42:38,954 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:42:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:42:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:42:38,996 INFO L142 QuantifierPusher]: treesize reduction 22, result has 72.8 percent of original size [2021-03-24 22:42:38,996 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-24 22:42:38,997 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-24 22:42:38,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:42:38,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:42:38,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:38,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 22:42:39,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:42:39,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:42:39,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:42:39,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:42:39,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:42:39,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:39,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:42:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:42:39,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,072 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:42:39,073 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:39,073 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:42:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:42:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:42:39,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:42:39,097 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-24 22:42:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:42:39,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:42:39,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:42:39,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:42:39,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:42:39,118 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:42:39,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:42:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:42:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:42:39,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:42:39,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:42:39,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569309877] [2021-03-24 22:42:39,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:42:39,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:42:39,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:42:39,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:42:39,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:42:39,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 3164 transitions, 169293 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:42:39,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:42:39,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:42:39,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:42:53,368 INFO L129 PetriNetUnfolder]: 3118/7673 cut-off events. [2021-03-24 22:42:53,368 INFO L130 PetriNetUnfolder]: For 1663540/1663542 co-relation queries the response was YES. [2021-03-24 22:42:53,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206297 conditions, 7673 events. 3118/7673 cut-off events. For 1663540/1663542 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 75643 event pairs, 20 based on Foata normal form. 14/7687 useless extension candidates. Maximal degree in co-relation 205828. Up to 4138 conditions per place. [2021-03-24 22:42:53,609 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 1914 selfloop transitions, 1561 changer transitions 1/3480 dead transitions. [2021-03-24 22:42:53,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 884 places, 3480 transitions, 193812 flow [2021-03-24 22:42:53,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-24 22:42:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-24 22:42:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 371 transitions. [2021-03-24 22:42:53,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3897058823529412 [2021-03-24 22:42:53,610 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 371 transitions. [2021-03-24 22:42:53,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 371 transitions. [2021-03-24 22:42:53,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:42:53,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 371 transitions. [2021-03-24 22:42:53,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 13.25) internal successors, (371), 28 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:42:53,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 34.0) internal successors, (986), 29 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:42:53,612 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 34.0) internal successors, (986), 29 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:42:53,612 INFO L185 Difference]: Start difference. First operand has 859 places, 3164 transitions, 169293 flow. Second operand 28 states and 371 transitions. [2021-03-24 22:42:53,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 884 places, 3480 transitions, 193812 flow [2021-03-24 22:43:12,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 872 places, 3480 transitions, 192409 flow, removed 662 selfloop flow, removed 12 redundant places. [2021-03-24 22:43:12,508 INFO L241 Difference]: Finished difference. Result has 881 places, 3192 transitions, 175854 flow [2021-03-24 22:43:12,511 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=167772, PETRI_DIFFERENCE_MINUEND_PLACES=845, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1525, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=175854, PETRI_PLACES=881, PETRI_TRANSITIONS=3192} [2021-03-24 22:43:12,511 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 864 predicate places. [2021-03-24 22:43:12,511 INFO L480 AbstractCegarLoop]: Abstraction has has 881 places, 3192 transitions, 175854 flow [2021-03-24 22:43:12,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:43:12,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:43:12,512 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:43:12,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-03-24 22:43:12,732 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:43:12,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:43:12,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1921711015, now seen corresponding path program 40 times [2021-03-24 22:43:12,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:43:12,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084652375] [2021-03-24 22:43:12,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:43:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:43:12,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,748 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:43:12,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:43:12,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:43:12,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:43:12,764 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:43:12,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:43:12,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:43:12,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:43:12,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:43:12,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:43:12,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:43:12,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084652375] [2021-03-24 22:43:12,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094827616] [2021-03-24 22:43:12,810 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 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 22:43:12,825 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 22:43:12,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:43:12,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-24 22:43:12,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:43:12,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:43:12,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:43:12,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:43:12,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:43:12,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:12,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:12,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:43:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:43:12,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:12,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:43:12,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:43:12,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:12,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:43:12,854 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:43:12,854 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:43:12,855 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:43:12,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:12,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 22:43:12,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 22:43:12,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:12,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 22:43:12,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 22:43:12,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:12,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:43:12,889 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-24 22:43:12,889 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:43:12,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 22:43:12,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 22:43:12,943 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-03-24 22:43:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:43:12,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:43:12,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:43:12,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:43:12,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:12,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:43:12,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:43:12,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:12,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:43:12,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:43:12,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,966 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 1] term [2021-03-24 22:43:12,966 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 22:43:12,966 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:43:12,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:43:12,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 22:43:12,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 22:43:12,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:12,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 22:43:12,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 22:43:13,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 22:43:13,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-24 22:43:13,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-03-24 22:43:13,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-24 22:43:13,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,037 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-24 22:43:13,038 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:43:13,038 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,039 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:43:13,039 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:13,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:43:13,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 22:43:13,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 22:43:13,045 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:43:13,046 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:13,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:43:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 22:43:13,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 22:43:13,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-03-24 22:43:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:43:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:43:13,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:43:13,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:43:13,062 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2021-03-24 22:43:13,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:43:13,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:43:13,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:43:13,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:43:13,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:43:13,069 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-03-24 22:43:13,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,071 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:43:13,108 INFO L628 ElimStorePlain]: treesize reduction 79, result has 35.2 percent of original size [2021-03-24 22:43:13,108 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:43:13,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:43:13,114 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 23 treesize of output 15 [2021-03-24 22:43:13,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,116 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-24 22:43:13,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,128 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-03-24 22:43:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:43:13,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 22:43:13,129 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:169, output treesize:21 [2021-03-24 22:43:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:43:13,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:43:13,152 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-24 22:43:13,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:43:13,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:13,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:43:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:43:13,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:43:13,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:43:13,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:43:13,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:43:13,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:43:13,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:43:13,163 INFO L142 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size [2021-03-24 22:43:13,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:13,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:43:13,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:43:13,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 22:43:13,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405212561] [2021-03-24 22:43:13,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 22:43:13,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:43:13,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 22:43:13,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-03-24 22:43:13,169 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:43:13,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 881 places, 3192 transitions, 175854 flow. Second operand has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:43:13,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:43:13,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:43:13,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:43:30,387 INFO L129 PetriNetUnfolder]: 3445/8607 cut-off events. [2021-03-24 22:43:30,387 INFO L130 PetriNetUnfolder]: For 2050265/2050267 co-relation queries the response was YES. [2021-03-24 22:43:30,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 240437 conditions, 8607 events. 3445/8607 cut-off events. For 2050265/2050267 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 87401 event pairs, 21 based on Foata normal form. 82/8689 useless extension candidates. Maximal degree in co-relation 239852. Up to 2597 conditions per place. [2021-03-24 22:43:30,774 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 1512 selfloop transitions, 2353 changer transitions 16/3885 dead transitions. [2021-03-24 22:43:30,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 903 places, 3885 transitions, 224870 flow [2021-03-24 22:43:30,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-24 22:43:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-24 22:43:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 343 transitions. [2021-03-24 22:43:30,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42034313725490197 [2021-03-24 22:43:30,775 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 343 transitions. [2021-03-24 22:43:30,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 343 transitions. [2021-03-24 22:43:30,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:43:30,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 343 transitions. [2021-03-24 22:43:30,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 14.291666666666666) internal successors, (343), 24 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:43:30,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:43:30,776 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:43:30,776 INFO L185 Difference]: Start difference. First operand has 881 places, 3192 transitions, 175854 flow. Second operand 24 states and 343 transitions. [2021-03-24 22:43:30,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 903 places, 3885 transitions, 224870 flow [2021-03-24 22:43:53,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 886 places, 3885 transitions, 222077 flow, removed 461 selfloop flow, removed 17 redundant places. [2021-03-24 22:43:53,815 INFO L241 Difference]: Finished difference. Result has 901 places, 3502 transitions, 202015 flow [2021-03-24 22:43:53,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=172784, PETRI_DIFFERENCE_MINUEND_PLACES=863, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2055, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=202015, PETRI_PLACES=901, PETRI_TRANSITIONS=3502} [2021-03-24 22:43:53,817 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 884 predicate places. [2021-03-24 22:43:53,818 INFO L480 AbstractCegarLoop]: Abstraction has has 901 places, 3502 transitions, 202015 flow [2021-03-24 22:43:53,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:43:53,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:43:53,818 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:43:54,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:43:54,018 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:43:54,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:43:54,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1781398927, now seen corresponding path program 41 times [2021-03-24 22:43:54,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:43:54,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73747036] [2021-03-24 22:43:54,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:43:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:43:54,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,039 INFO L142 QuantifierPusher]: treesize reduction 34, result has 27.7 percent of original size [2021-03-24 22:43:54,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:43:54,046 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:43:54,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:43:54,054 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:43:54,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:43:54,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:43:54,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:43:54,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:43:54,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:43:54,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:43:54,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73747036] [2021-03-24 22:43:54,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185877979] [2021-03-24 22:43:54,101 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 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 22:43:54,117 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-24 22:43:54,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:43:54,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:43:54,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:43:54,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:43:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:43:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:43:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:43:54,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:43:54,183 INFO L142 QuantifierPusher]: treesize reduction 37, result has 30.2 percent of original size [2021-03-24 22:43:54,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:43:54,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:43:54,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:43:54,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:43:54,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:43:54,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:43:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:43:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:43:54,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:43:54,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:43:54,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:43:54,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:43:54,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:43:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:43:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:43:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,250 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:43:54,251 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:54,252 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:43:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:43:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:43:54,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:43:54,275 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 22:43:54,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:43:54,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:54,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:43:54,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:43:54,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,278 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2021-03-24 22:43:54,278 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:43:54,279 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:43:54,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:43:54,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:43:54,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:43:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:43:54,301 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:43:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:43:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:43:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:43:54,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:43:54,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:43:54,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783082855] [2021-03-24 22:43:54,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:43:54,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:43:54,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:43:54,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:43:54,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:43:54,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 901 places, 3502 transitions, 202015 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:43:54,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:43:54,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:43:54,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:44:15,859 INFO L129 PetriNetUnfolder]: 3654/9061 cut-off events. [2021-03-24 22:44:15,860 INFO L130 PetriNetUnfolder]: For 2192068/2192070 co-relation queries the response was YES. [2021-03-24 22:44:16,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261069 conditions, 9061 events. 3654/9061 cut-off events. For 2192068/2192070 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 92213 event pairs, 111 based on Foata normal form. 14/9075 useless extension candidates. Maximal degree in co-relation 260543. Up to 4363 conditions per place. [2021-03-24 22:44:16,159 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 2211 selfloop transitions, 1598 changer transitions 13/3826 dead transitions. [2021-03-24 22:44:16,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 3826 transitions, 228973 flow [2021-03-24 22:44:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-24 22:44:16,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-24 22:44:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 417 transitions. [2021-03-24 22:44:16,160 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3956356736242884 [2021-03-24 22:44:16,160 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 417 transitions. [2021-03-24 22:44:16,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 417 transitions. [2021-03-24 22:44:16,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:44:16,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 417 transitions. [2021-03-24 22:44:16,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 13.451612903225806) internal successors, (417), 31 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:44:16,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 34.0) internal successors, (1088), 32 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:44:16,161 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 34.0) internal successors, (1088), 32 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:44:16,161 INFO L185 Difference]: Start difference. First operand has 901 places, 3502 transitions, 202015 flow. Second operand 31 states and 417 transitions. [2021-03-24 22:44:16,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 3826 transitions, 228973 flow [2021-03-24 22:44:43,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 921 places, 3826 transitions, 223317 flow, removed 1791 selfloop flow, removed 10 redundant places. [2021-03-24 22:44:43,237 INFO L241 Difference]: Finished difference. Result has 928 places, 3720 transitions, 214390 flow [2021-03-24 22:44:43,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=196176, PETRI_DIFFERENCE_MINUEND_PLACES=891, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1364, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2027, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=214390, PETRI_PLACES=928, PETRI_TRANSITIONS=3720} [2021-03-24 22:44:43,240 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 911 predicate places. [2021-03-24 22:44:43,240 INFO L480 AbstractCegarLoop]: Abstraction has has 928 places, 3720 transitions, 214390 flow [2021-03-24 22:44:43,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:44:43,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:44:43,240 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:44:43,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:44:43,456 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:44:43,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:44:43,456 INFO L82 PathProgramCache]: Analyzing trace with hash 120200685, now seen corresponding path program 42 times [2021-03-24 22:44:43,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:44:43,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988261503] [2021-03-24 22:44:43,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:44:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:44:43,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,474 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:44:43,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,479 INFO L142 QuantifierPusher]: treesize reduction 6, result has 45.5 percent of original size [2021-03-24 22:44:43,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:44:43,484 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:44:43,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:44:43,491 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:44:43,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:44:43,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-24 22:44:43,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:44:43,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:44:43,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:44:43,602 INFO L142 QuantifierPusher]: treesize reduction 5, result has 61.5 percent of original size [2021-03-24 22:44:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:44:43,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,612 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:44:43,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988261503] [2021-03-24 22:44:43,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332697287] [2021-03-24 22:44:43,612 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 22:44:43,634 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 22:44:43,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:44:43,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:44:43,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:44:43,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:44:43,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:44:43,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:44:43,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:44:43,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:44:43,672 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:44:43,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:44:43,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:44:43,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:44:43,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:44:43,687 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:44:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:44:43,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:44:43,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:44:43,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:44:43,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:44:43,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:44:43,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:44:43,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:44:43,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:44:43,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:44:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:44:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:44:43,745 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-03-24 22:44:43,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:44:43,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:44:43,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:44:43,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:44:43,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,748 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:44:43,748 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:44:43,749 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,750 INFO L147 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size 28 [2021-03-24 22:44:43,750 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-03-24 22:44:43,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:44:43,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:44:43,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:44:43,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:44:43,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:44:43,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,779 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-24 22:44:43,779 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:44:43,780 INFO L142 QuantifierPusher]: treesize reduction 23, result has 81.3 percent of original size [2021-03-24 22:44:43,780 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:44:43,781 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:44:43,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:44:43,786 INFO L147 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size 24 [2021-03-24 22:44:43,786 INFO L147 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size 24 [2021-03-24 22:44:43,787 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-24 22:44:43,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:44:43,816 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-03-24 22:44:43,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:44:43,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:44:43,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:44:43,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:44:43,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:44:43,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:44:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:44:43,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:44:43,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:44:43,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689848512] [2021-03-24 22:44:43,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:44:43,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:44:43,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:44:43,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:44:43,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:44:43,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 3720 transitions, 214390 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:44:43,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:44:43,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:44:43,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:45:04,272 INFO L129 PetriNetUnfolder]: 3630/9034 cut-off events. [2021-03-24 22:45:04,272 INFO L130 PetriNetUnfolder]: For 2065369/2065371 co-relation queries the response was YES. [2021-03-24 22:45:04,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255379 conditions, 9034 events. 3630/9034 cut-off events. For 2065369/2065371 co-relation queries the response was YES. Maximal size of possible extension queue 712. Compared 91771 event pairs, 107 based on Foata normal form. 7/9041 useless extension candidates. Maximal degree in co-relation 254883. Up to 5914 conditions per place. [2021-03-24 22:45:04,584 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 3362 selfloop transitions, 380 changer transitions 30/3776 dead transitions. [2021-03-24 22:45:04,584 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 3776 transitions, 225357 flow [2021-03-24 22:45:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-24 22:45:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-24 22:45:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 338 transitions. [2021-03-24 22:45:04,586 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38235294117647056 [2021-03-24 22:45:04,586 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 338 transitions. [2021-03-24 22:45:04,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 338 transitions. [2021-03-24 22:45:04,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:45:04,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 338 transitions. [2021-03-24 22:45:04,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.0) internal successors, (338), 26 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:45:04,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 34.0) internal successors, (918), 27 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:45:04,587 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 34.0) internal successors, (918), 27 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:45:04,587 INFO L185 Difference]: Start difference. First operand has 928 places, 3720 transitions, 214390 flow. Second operand 26 states and 338 transitions. [2021-03-24 22:45:04,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 952 places, 3776 transitions, 225357 flow [2021-03-24 22:45:29,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 941 places, 3776 transitions, 222644 flow, removed 902 selfloop flow, removed 11 redundant places. [2021-03-24 22:45:30,101 INFO L241 Difference]: Finished difference. Result has 952 places, 3714 transitions, 212786 flow [2021-03-24 22:45:30,104 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=211564, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=370, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=212786, PETRI_PLACES=952, PETRI_TRANSITIONS=3714} [2021-03-24 22:45:30,104 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 935 predicate places. [2021-03-24 22:45:30,104 INFO L480 AbstractCegarLoop]: Abstraction has has 952 places, 3714 transitions, 212786 flow [2021-03-24 22:45:30,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:45:30,104 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:45:30,104 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:45:30,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:45:30,323 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:45:30,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:45:30,323 INFO L82 PathProgramCache]: Analyzing trace with hash -985187767, now seen corresponding path program 43 times [2021-03-24 22:45:30,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:45:30,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371034961] [2021-03-24 22:45:30,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:45:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:45:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,339 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:45:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,345 INFO L142 QuantifierPusher]: treesize reduction 5, result has 61.5 percent of original size [2021-03-24 22:45:30,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:45:30,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 22:45:30,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:45:30,361 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:45:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:45:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:45:30,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:45:30,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:45:30,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:45:30,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371034961] [2021-03-24 22:45:30,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020539150] [2021-03-24 22:45:30,406 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:45:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:45:30,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:45:30,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:45:30,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:45:30,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:45:30,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:45:30,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:45:30,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:45:30,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:45:30,475 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:45:30,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:45:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:45:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:45:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:45:30,490 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:45:30,491 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 22:45:30,491 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-24 22:45:30,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:45:30,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:45:30,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:45:30,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:45:30,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:45:30,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:45:30,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:45:30,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:45:30,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:45:30,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:45:30,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:45:30,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:45:30,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:45:30,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:45:30,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:45:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,556 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:45:30,556 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:45:30,557 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:45:30,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:45:30,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:45:30,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:45:30,581 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 22:45:30,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:45:30,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:45:30,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:45:30,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:45:30,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,584 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2021-03-24 22:45:30,584 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:45:30,585 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:45:30,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:45:30,615 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:45:30,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:45:30,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:45:30,617 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:45:30,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:45:30,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:45:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:45:30,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:45:30,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:45:30,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652471361] [2021-03-24 22:45:30,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:45:30,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:45:30,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:45:30,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:45:30,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:45:30,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 3714 transitions, 212786 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:45:30,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:45:30,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:45:30,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:45:54,462 INFO L129 PetriNetUnfolder]: 3606/8933 cut-off events. [2021-03-24 22:45:54,462 INFO L130 PetriNetUnfolder]: For 1973084/1973086 co-relation queries the response was YES. [2021-03-24 22:45:54,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251007 conditions, 8933 events. 3606/8933 cut-off events. For 1973084/1973086 co-relation queries the response was YES. Maximal size of possible extension queue 707. Compared 90433 event pairs, 123 based on Foata normal form. 6/8939 useless extension candidates. Maximal degree in co-relation 250659. Up to 5907 conditions per place. [2021-03-24 22:45:54,902 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 3093 selfloop transitions, 652 changer transitions 4/3753 dead transitions. [2021-03-24 22:45:54,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 968 places, 3753 transitions, 222830 flow [2021-03-24 22:45:54,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 22:45:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 22:45:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 296 transitions. [2021-03-24 22:45:54,904 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39572192513368987 [2021-03-24 22:45:54,904 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 296 transitions. [2021-03-24 22:45:54,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 296 transitions. [2021-03-24 22:45:54,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:45:54,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 296 transitions. [2021-03-24 22:45:54,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 13.454545454545455) internal successors, (296), 22 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 22:45:54,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 34.0) internal successors, (782), 23 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:45:54,905 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 34.0) internal successors, (782), 23 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:45:54,905 INFO L185 Difference]: Start difference. First operand has 952 places, 3714 transitions, 212786 flow. Second operand 22 states and 296 transitions. [2021-03-24 22:45:54,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 968 places, 3753 transitions, 222830 flow [2021-03-24 22:46:18,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 954 places, 3753 transitions, 220354 flow, removed 325 selfloop flow, removed 14 redundant places. [2021-03-24 22:46:19,143 INFO L241 Difference]: Finished difference. Result has 958 places, 3716 transitions, 212989 flow [2021-03-24 22:46:19,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=209779, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=638, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=212989, PETRI_PLACES=958, PETRI_TRANSITIONS=3716} [2021-03-24 22:46:19,147 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 941 predicate places. [2021-03-24 22:46:19,147 INFO L480 AbstractCegarLoop]: Abstraction has has 958 places, 3716 transitions, 212989 flow [2021-03-24 22:46:19,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:46:19,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:46:19,147 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:46:19,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-03-24 22:46:19,369 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:46:19,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:46:19,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1294254573, now seen corresponding path program 44 times [2021-03-24 22:46:19,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:46:19,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919653277] [2021-03-24 22:46:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:46:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:46:19,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,386 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:46:19,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,392 INFO L142 QuantifierPusher]: treesize reduction 6, result has 45.5 percent of original size [2021-03-24 22:46:19,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:46:19,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:46:19,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 22:46:19,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:46:19,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:46:19,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:46:19,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:46:19,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919653277] [2021-03-24 22:46:19,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90294090] [2021-03-24 22:46:19,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:46:19,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 22:46:19,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:46:19,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-24 22:46:19,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:46:19,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:46:19,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:46:19,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:46:19,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 22:46:19,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:46:19,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:46:19,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:46:19,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 22:46:19,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:46:19,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:46:19,499 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:46:19,499 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:46:19,499 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,522 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-24 22:46:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:46:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:46:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:46:19,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:46:19,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:46:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 22:46:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:46:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 22:46:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,542 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 1] term [2021-03-24 22:46:19,542 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 22:46:19,542 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 22:46:19,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 22:46:19,569 INFO L142 QuantifierPusher]: treesize reduction 35, result has 53.9 percent of original size [2021-03-24 22:46:19,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:46:19,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 22:46:19,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 22:46:19,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 22:46:19,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 22:46:19,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 22:46:19,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,640 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:46:19,641 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:46:19,641 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:46:19,642 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-24 22:46:19,643 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-24 22:46:19,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 22:46:19,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 22:46:19,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-24 22:46:19,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-24 22:46:19,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:46:19,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:46:19,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:46:19,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:46:19,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 22:46:19,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 22:46:19,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 22:46:19,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 22:46:19,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-24 22:46:19,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,730 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-24 22:46:19,730 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:46:19,731 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 22:46:19,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,732 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:46:19,733 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:46:19,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:46:19,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 22:46:19,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 22:46:19,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-24 22:46:19,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,739 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:46:19,739 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:46:19,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:46:19,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 22:46:19,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 22:46:19,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-24 22:46:19,744 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-24 22:46:19,745 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:46:19,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 22:46:19,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 22:46:19,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:46:19,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 22:46:19,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:46:19,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 22:46:19,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 22:46:19,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 22:46:19,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 22:46:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 22:46:19,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:46:19,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 22:46:19,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 22:46:19,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:46:19,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:46:19,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:46:19,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:46:19,766 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2021-03-24 22:46:19,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:46:19,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 22:46:19,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 22:46:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:46:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 22:46:19,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-24 22:46:19,772 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2021-03-24 22:46:19,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:46:19,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 22:46:19,774 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-24 22:46:19,791 INFO L628 ElimStorePlain]: treesize reduction 40, result has 27.3 percent of original size [2021-03-24 22:46:19,791 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-03-24 22:46:19,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:46:19,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 22:46:19,792 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:97, output treesize:9 [2021-03-24 22:46:19,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:46:19,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 22:46:19,801 INFO L142 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size [2021-03-24 22:46:19,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:46:19,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:46:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:46:19,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:46:19,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-24 22:46:19,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042362152] [2021-03-24 22:46:19,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-24 22:46:19,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:46:19,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-24 22:46:19,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-03-24 22:46:19,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:46:19,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 3716 transitions, 212989 flow. Second operand has 16 states, 16 states have (on average 11.4375) internal successors, (183), 16 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:46:19,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:46:19,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:46:19,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:46:40,577 INFO L129 PetriNetUnfolder]: 3824/9333 cut-off events. [2021-03-24 22:46:40,577 INFO L130 PetriNetUnfolder]: For 2145344/2145346 co-relation queries the response was YES. [2021-03-24 22:46:40,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266303 conditions, 9333 events. 3824/9333 cut-off events. For 2145344/2145346 co-relation queries the response was YES. Maximal size of possible extension queue 745. Compared 94233 event pairs, 21 based on Foata normal form. 63/9396 useless extension candidates. Maximal degree in co-relation 265957. Up to 4445 conditions per place. [2021-03-24 22:46:40,988 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 2334 selfloop transitions, 1982 changer transitions 10/4330 dead transitions. [2021-03-24 22:46:40,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 978 places, 4330 transitions, 257229 flow [2021-03-24 22:46:40,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-24 22:46:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-24 22:46:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2021-03-24 22:46:40,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4178921568627451 [2021-03-24 22:46:40,989 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 341 transitions. [2021-03-24 22:46:40,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 341 transitions. [2021-03-24 22:46:40,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:46:40,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 341 transitions. [2021-03-24 22:46:40,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 14.208333333333334) internal successors, (341), 24 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 22:46:40,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:46:40,990 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:46:40,990 INFO L185 Difference]: Start difference. First operand has 958 places, 3716 transitions, 212989 flow. Second operand 24 states and 341 transitions. [2021-03-24 22:46:40,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 978 places, 4330 transitions, 257229 flow [2021-03-24 22:47:08,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 956 places, 4330 transitions, 254664 flow, removed 279 selfloop flow, removed 22 redundant places. [2021-03-24 22:47:08,691 INFO L241 Difference]: Finished difference. Result has 976 places, 3895 transitions, 229415 flow [2021-03-24 22:47:08,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=210249, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1810, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1883, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=229415, PETRI_PLACES=976, PETRI_TRANSITIONS=3895} [2021-03-24 22:47:08,694 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 959 predicate places. [2021-03-24 22:47:08,694 INFO L480 AbstractCegarLoop]: Abstraction has has 976 places, 3895 transitions, 229415 flow [2021-03-24 22:47:08,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.4375) internal successors, (183), 16 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:47:08,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:47:08,695 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:47:08,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable137 [2021-03-24 22:47:08,908 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:47:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:47:08,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1893776633, now seen corresponding path program 45 times [2021-03-24 22:47:08,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:47:08,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657356948] [2021-03-24 22:47:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:47:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:47:08,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:08,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:08,925 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:47:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:08,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:47:08,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:47:08,939 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:47:08,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:47:08,946 INFO L142 QuantifierPusher]: treesize reduction 3, result has 66.7 percent of original size [2021-03-24 22:47:08,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:47:08,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:08,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 22:47:08,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:08,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:47:08,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:08,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:47:08,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:08,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:47:08,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657356948] [2021-03-24 22:47:08,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142651442] [2021-03-24 22:47:08,982 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 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 22:47:08,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 22:47:08,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:47:09,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:47:09,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:47:09,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:47:09,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:47:09,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:47:09,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:47:09,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:47:09,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:47:09,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:47:09,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:47:09,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:47:09,062 INFO L142 QuantifierPusher]: treesize reduction 37, result has 30.2 percent of original size [2021-03-24 22:47:09,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:47:09,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:47:09,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:47:09,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:47:09,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:47:09,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:47:09,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:47:09,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:47:09,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:47:09,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:47:09,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:47:09,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:47:09,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:47:09,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:47:09,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 22:47:09,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 22:47:09,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,162 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:47:09,162 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:47:09,163 INFO L142 QuantifierPusher]: treesize reduction 45, result has 53.6 percent of original size [2021-03-24 22:47:09,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:47:09,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:47:09,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:47:09,194 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 22:47:09,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:47:09,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:47:09,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 22:47:09,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:47:09,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,197 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2021-03-24 22:47:09,197 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:47:09,198 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:47:09,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:47:09,220 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:47:09,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:47:09,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:47:09,222 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:47:09,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:47:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:47:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:47:09,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:47:09,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:47:09,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876246062] [2021-03-24 22:47:09,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:47:09,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:47:09,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:47:09,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:47:09,230 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:47:09,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 976 places, 3895 transitions, 229415 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:47:09,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:47:09,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:47:09,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:47:38,185 INFO L129 PetriNetUnfolder]: 4007/9781 cut-off events. [2021-03-24 22:47:38,185 INFO L130 PetriNetUnfolder]: For 2438488/2438488 co-relation queries the response was YES. [2021-03-24 22:47:38,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288403 conditions, 9781 events. 4007/9781 cut-off events. For 2438488/2438488 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 99946 event pairs, 110 based on Foata normal form. 7/9788 useless extension candidates. Maximal degree in co-relation 288044. Up to 6376 conditions per place. [2021-03-24 22:47:38,532 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 3270 selfloop transitions, 898 changer transitions 2/4174 dead transitions. [2021-03-24 22:47:38,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1002 places, 4174 transitions, 255290 flow [2021-03-24 22:47:38,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 22:47:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 22:47:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 362 transitions. [2021-03-24 22:47:38,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39433551198257083 [2021-03-24 22:47:38,533 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 362 transitions. [2021-03-24 22:47:38,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 362 transitions. [2021-03-24 22:47:38,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:47:38,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 362 transitions. [2021-03-24 22:47:38,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.407407407407407) internal successors, (362), 27 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:47:38,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:47:38,535 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:47:38,535 INFO L185 Difference]: Start difference. First operand has 976 places, 3895 transitions, 229415 flow. Second operand 27 states and 362 transitions. [2021-03-24 22:47:38,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1002 places, 4174 transitions, 255290 flow [2021-03-24 22:48:09,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 999 places, 4174 transitions, 253438 flow, removed 870 selfloop flow, removed 3 redundant places. [2021-03-24 22:48:09,591 INFO L241 Difference]: Finished difference. Result has 1015 places, 4095 transitions, 243787 flow [2021-03-24 22:48:09,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=227631, PETRI_DIFFERENCE_MINUEND_PLACES=973, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3894, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=735, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3073, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=243787, PETRI_PLACES=1015, PETRI_TRANSITIONS=4095} [2021-03-24 22:48:09,594 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 998 predicate places. [2021-03-24 22:48:09,594 INFO L480 AbstractCegarLoop]: Abstraction has has 1015 places, 4095 transitions, 243787 flow [2021-03-24 22:48:09,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:48:09,594 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:48:09,594 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:48:09,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:48:09,795 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:48:09,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:48:09,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1468742889, now seen corresponding path program 46 times [2021-03-24 22:48:09,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:48:09,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419713220] [2021-03-24 22:48:09,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:48:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:48:09,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,813 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:48:09,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,818 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:48:09,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:48:09,825 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:48:09,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:48:09,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:48:09,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:48:09,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:48:09,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:48:09,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:48:09,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419713220] [2021-03-24 22:48:09,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297196902] [2021-03-24 22:48:09,872 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 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 22:48:09,889 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 22:48:09,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:48:09,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:48:09,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:48:09,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:48:09,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:48:09,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:48:09,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:48:09,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:48:09,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:48:09,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:48:09,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:48:09,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:48:09,956 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-24 22:48:09,956 INFO L147 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size 16 [2021-03-24 22:48:09,957 INFO L142 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size [2021-03-24 22:48:09,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:48:09,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:48:09,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:48:09,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:48:09,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:48:09,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:48:09,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:48:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:48:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:48:09,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:48:09,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 22:48:10,020 INFO L142 QuantifierPusher]: treesize reduction 17, result has 64.6 percent of original size [2021-03-24 22:48:10,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:48:10,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:48:10,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:48:10,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:48:10,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:48:10,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:48:10,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:48:10,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:48:10,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,040 INFO L147 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size 26 [2021-03-24 22:48:10,040 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:48:10,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:48:10,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:48:10,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:48:10,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:48:10,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:48:10,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:48:10,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:48:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:48:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:48:10,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:48:10,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:48:10,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:48:10,061 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:48:10,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:48:10,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:48:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:48:10,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:48:10,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:48:10,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751406918] [2021-03-24 22:48:10,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:48:10,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:48:10,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:48:10,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:48:10,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:48:10,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 4095 transitions, 243787 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:48:10,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:48:10,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:48:10,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:48:41,216 INFO L129 PetriNetUnfolder]: 4212/10294 cut-off events. [2021-03-24 22:48:41,216 INFO L130 PetriNetUnfolder]: For 2659687/2659687 co-relation queries the response was YES. [2021-03-24 22:48:41,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305538 conditions, 10294 events. 4212/10294 cut-off events. For 2659687/2659687 co-relation queries the response was YES. Maximal size of possible extension queue 828. Compared 105569 event pairs, 19 based on Foata normal form. 29/10323 useless extension candidates. Maximal degree in co-relation 305165. Up to 5332 conditions per place. [2021-03-24 22:48:41,597 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 2510 selfloop transitions, 2072 changer transitions 1/4587 dead transitions. [2021-03-24 22:48:41,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1044 places, 4587 transitions, 283394 flow [2021-03-24 22:48:41,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-24 22:48:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-24 22:48:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 419 transitions. [2021-03-24 22:48:41,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39753320683111953 [2021-03-24 22:48:41,598 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 419 transitions. [2021-03-24 22:48:41,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 419 transitions. [2021-03-24 22:48:41,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:48:41,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 419 transitions. [2021-03-24 22:48:41,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 13.516129032258064) internal successors, (419), 31 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:48:41,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 34.0) internal successors, (1088), 32 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:48:41,600 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 34.0) internal successors, (1088), 32 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:48:41,600 INFO L185 Difference]: Start difference. First operand has 1015 places, 4095 transitions, 243787 flow. Second operand 31 states and 419 transitions. [2021-03-24 22:48:41,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1044 places, 4587 transitions, 283394 flow [2021-03-24 22:49:17,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1038 places, 4587 transitions, 281729 flow, removed 804 selfloop flow, removed 6 redundant places. [2021-03-24 22:49:18,053 INFO L241 Difference]: Finished difference. Result has 1054 places, 4286 transitions, 262287 flow [2021-03-24 22:49:18,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=242118, PETRI_DIFFERENCE_MINUEND_PLACES=1008, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4093, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1886, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=262287, PETRI_PLACES=1054, PETRI_TRANSITIONS=4286} [2021-03-24 22:49:18,055 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 1037 predicate places. [2021-03-24 22:49:18,055 INFO L480 AbstractCegarLoop]: Abstraction has has 1054 places, 4286 transitions, 262287 flow [2021-03-24 22:49:18,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:49:18,056 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:49:18,056 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:49:18,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable149 [2021-03-24 22:49:18,256 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:49:18,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:49:18,257 INFO L82 PathProgramCache]: Analyzing trace with hash 550792699, now seen corresponding path program 47 times [2021-03-24 22:49:18,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:49:18,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445258843] [2021-03-24 22:49:18,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:49:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:49:18,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,273 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:49:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,279 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-03-24 22:49:18,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 22:49:18,286 INFO L142 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size [2021-03-24 22:49:18,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:49:18,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:49:18,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:49:18,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:49:18,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 22:49:18,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:49:18,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445258843] [2021-03-24 22:49:18,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132035659] [2021-03-24 22:49:18,342 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 22:49:18,374 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-24 22:49:18,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:49:18,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:49:18,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:49:18,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:49:18,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:49:18,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:49:18,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:49:18,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:49:18,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:49:18,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:49:18,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:49:18,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:49:18,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:49:18,451 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-03-24 22:49:18,451 INFO L147 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size 16 [2021-03-24 22:49:18,452 INFO L142 QuantifierPusher]: treesize reduction 22, result has 42.1 percent of original size [2021-03-24 22:49:18,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:49:18,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:49:18,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 22:49:18,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:49:18,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:49:18,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:49:18,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 22:49:18,496 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-24 22:49:18,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 22:49:18,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:49:18,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:49:18,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 22:49:18,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:49:18,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:49:18,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:49:18,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:49:18,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:49:18,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:49:18,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:49:18,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:49:18,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,543 INFO L147 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size 26 [2021-03-24 22:49:18,543 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-24 22:49:18,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:49:18,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 22:49:18,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:49:18,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:49:18,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:49:18,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:49:18,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:49:18,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:49:18,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 22:49:18,565 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-24 22:49:18,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:49:18,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:49:18,567 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:49:18,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:49:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:49:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:49:18,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:49:18,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:49:18,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988143357] [2021-03-24 22:49:18,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:49:18,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:49:18,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:49:18,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:49:18,572 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:49:18,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1054 places, 4286 transitions, 262287 flow. Second operand has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:49:18,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:49:18,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:49:18,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:49:51,403 INFO L129 PetriNetUnfolder]: 4251/10395 cut-off events. [2021-03-24 22:49:51,403 INFO L130 PetriNetUnfolder]: For 2846210/2846210 co-relation queries the response was YES. [2021-03-24 22:49:51,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 317845 conditions, 10395 events. 4251/10395 cut-off events. For 2846210/2846210 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 106618 event pairs, 21 based on Foata normal form. 25/10420 useless extension candidates. Maximal degree in co-relation 317457. Up to 5259 conditions per place. [2021-03-24 22:49:51,811 INFO L132 encePairwiseOnDemand]: 26/34 looper letters, 2518 selfloop transitions, 2097 changer transitions 1/4620 dead transitions. [2021-03-24 22:49:51,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1088 places, 4620 transitions, 293496 flow [2021-03-24 22:49:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-24 22:49:51,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-03-24 22:49:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 471 transitions. [2021-03-24 22:49:51,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3957983193277311 [2021-03-24 22:49:51,812 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 471 transitions. [2021-03-24 22:49:51,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 471 transitions. [2021-03-24 22:49:51,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:49:51,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 471 transitions. [2021-03-24 22:49:51,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 13.457142857142857) internal successors, (471), 35 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:49:51,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 34.0) internal successors, (1224), 36 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:49:51,814 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 34.0) internal successors, (1224), 36 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:49:51,814 INFO L185 Difference]: Start difference. First operand has 1054 places, 4286 transitions, 262287 flow. Second operand 35 states and 471 transitions. [2021-03-24 22:49:51,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1088 places, 4620 transitions, 293496 flow [2021-03-24 22:50:32,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1075 places, 4620 transitions, 291225 flow, removed 956 selfloop flow, removed 13 redundant places. [2021-03-24 22:50:32,461 INFO L241 Difference]: Finished difference. Result has 1084 places, 4330 transitions, 271375 flow [2021-03-24 22:50:32,463 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=260115, PETRI_DIFFERENCE_MINUEND_PLACES=1041, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2048, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=271375, PETRI_PLACES=1084, PETRI_TRANSITIONS=4330} [2021-03-24 22:50:32,463 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 1067 predicate places. [2021-03-24 22:50:32,463 INFO L480 AbstractCegarLoop]: Abstraction has has 1084 places, 4330 transitions, 271375 flow [2021-03-24 22:50:32,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.5) internal successors, (207), 18 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:50:32,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:50:32,464 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 22:50:32,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable150 [2021-03-24 22:50:32,664 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:50:32,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:50:32,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1208700331, now seen corresponding path program 48 times [2021-03-24 22:50:32,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:50:32,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716036787] [2021-03-24 22:50:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:50:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:50:32,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,680 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-24 22:50:32,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,686 INFO L142 QuantifierPusher]: treesize reduction 5, result has 61.5 percent of original size [2021-03-24 22:50:32,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:50:32,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 22:50:32,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 22:50:32,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 22:50:32,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:50:32,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 22:50:32,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:50:32,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716036787] [2021-03-24 22:50:32,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494502619] [2021-03-24 22:50:32,746 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 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 22:50:32,762 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-24 22:50:32,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 22:50:32,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-24 22:50:32,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 22:50:32,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 22:50:32,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:50:32,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:50:32,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:50:32,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 22:50:32,802 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-24 22:50:32,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:50:32,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:50:32,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:50:32,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 22:50:32,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:50:32,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:50:32,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:50:32,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:50:32,844 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-24 22:50:32,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-24 22:50:32,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:50:32,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 22:50:32,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 22:50:32,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,847 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-24 22:50:32,847 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 22:50:32,847 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,848 INFO L147 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size 34 [2021-03-24 22:50:32,849 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-24 22:50:32,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 22:50:32,866 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.2 percent of original size [2021-03-24 22:50:32,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:50:32,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:50:32,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:50:32,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 22:50:32,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:50:32,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:50:32,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:50:32,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 22:50:32,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:50:32,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:50:32,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 22:50:32,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 22:50:32,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,911 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 22:50:32,911 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:50:32,912 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.5 percent of original size [2021-03-24 22:50:32,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:50:32,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:50:32,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:50:32,938 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-24 22:50:32,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 22:50:32,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 22:50:32,939 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-24 22:50:32,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:50:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 22:50:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:50:32,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 22:50:32,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 22:50:32,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832469124] [2021-03-24 22:50:32,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 22:50:32,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:50:32,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 22:50:32,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-03-24 22:50:32,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-24 22:50:32,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1084 places, 4330 transitions, 271375 flow. Second operand has 18 states, 18 states have (on average 11.38888888888889) internal successors, (205), 18 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:50:32,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:50:32,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-24 22:50:32,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:51:11,967 INFO L129 PetriNetUnfolder]: 4250/10417 cut-off events. [2021-03-24 22:51:11,967 INFO L130 PetriNetUnfolder]: For 2931142/2931142 co-relation queries the response was YES. [2021-03-24 22:51:12,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323937 conditions, 10417 events. 4250/10417 cut-off events. For 2931142/2931142 co-relation queries the response was YES. Maximal size of possible extension queue 837. Compared 107106 event pairs, 127 based on Foata normal form. 3/10420 useless extension candidates. Maximal degree in co-relation 323543. Up to 7288 conditions per place. [2021-03-24 22:51:12,358 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 4106 selfloop transitions, 227 changer transitions 36/4373 dead transitions. [2021-03-24 22:51:12,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1102 places, 4373 transitions, 282364 flow [2021-03-24 22:51:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-24 22:51:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-24 22:51:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 247 transitions. [2021-03-24 22:51:12,359 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38235294117647056 [2021-03-24 22:51:12,359 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 247 transitions. [2021-03-24 22:51:12,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 247 transitions. [2021-03-24 22:51:12,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:51:12,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 247 transitions. [2021-03-24 22:51:12,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 13.0) internal successors, (247), 19 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 22:51:12,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 34.0) internal successors, (680), 20 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:51:12,360 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 34.0) internal successors, (680), 20 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:51:12,360 INFO L185 Difference]: Start difference. First operand has 1084 places, 4330 transitions, 271375 flow. Second operand 19 states and 247 transitions. [2021-03-24 22:51:12,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1102 places, 4373 transitions, 282364 flow Received shutdown request... [2021-03-24 22:51:40,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 22:51:40,036 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-24 22:51:40,040 WARN L224 ceAbstractionStarter]: Timeout [2021-03-24 22:51:40,040 INFO L202 PluginConnector]: Adding new model array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:51:40 BasicIcfg [2021-03-24 22:51:40,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 22:51:40,041 INFO L168 Benchmark]: Toolchain (without parser) took 830613.45 ms. Allocated memory was 255.9 MB in the beginning and 6.5 GB in the end (delta: 6.3 GB). Free memory was 236.3 MB in the beginning and 4.9 GB in the end (delta: -4.6 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. [2021-03-24 22:51:40,041 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 22:51:40,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.30 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 22:51:40,041 INFO L168 Benchmark]: Boogie Preprocessor took 16.30 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 233.8 MB in the end (delta: 913.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 22:51:40,041 INFO L168 Benchmark]: RCFGBuilder took 273.05 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 238.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. [2021-03-24 22:51:40,041 INFO L168 Benchmark]: TraceAbstraction took 830291.56 ms. Allocated memory was 255.9 MB in the beginning and 6.5 GB in the end (delta: 6.3 GB). Free memory was 238.5 MB in the beginning and 4.9 GB in the end (delta: -4.6 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. [2021-03-24 22:51:40,041 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.30 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.30 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 233.8 MB in the end (delta: 913.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 273.05 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 238.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 830291.56 ms. Allocated memory was 255.9 MB in the beginning and 6.5 GB in the end (delta: 6.3 GB). Free memory was 238.5 MB in the beginning and 4.9 GB in the end (delta: -4.6 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 289.8ms, 24 PlacesBefore, 17 PlacesAfterwards, 21 TransitionsBefore, 12 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 9 TotalNumberOfCompositions, 48 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 57). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 830177.7ms, OverallIterations: 53, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 803623.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 347.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 153 SDtfs, 2345 SDslu, 13 SDs, 0 SdLazy, 16888 SolverSat, 1055 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7497.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1785 GetRequests, 489 SyntacticMatches, 19 SemanticMatches, 1277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10835 ImplicationChecksByTransitivity, 23854.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=271375occurred in iteration=52, InterpolantAutomatonStates: 1096, 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: 161.4ms SsaConstructionTime, 681.1ms SatisfiabilityAnalysisTime, 13773.2ms InterpolantComputationTime, 1656 NumberOfCodeBlocks, 1651 NumberOfCodeBlocksAsserted, 180 NumberOfCheckSat, 1553 ConstructedInterpolants, 6 QuantifiedInterpolants, 18217 SizeOfPredicates, 317 NumberOfNonLiveVariables, 1966 ConjunctsInSsa, 602 ConjunctsInUnsatCore, 103 InterpolantComputations, 3 PerfectInterpolantSequences, 204/968 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown